DATA SHEET AAT3113/3114 High Efficiency 1.5X Fractional Charge Pumps for White LED Applications General Description Features The AAT3113 and AAT3114 are low noise, constant fre- • AAT3113: Four Outputs quency charge pump DC/DC converters that use frac- • AAT3114: Six Outputs tional (1.5X) conversion to increase efficiency in white • 20mA Full-Scale Current LED applications. The devices can be used to produce • Simple Serial Control (S2Cwire) Interface current levels up to 20mA for each output from a 2.7V ▪ 32-Position Logarithmic Scale with Digital Control to 5.5V input. A low external parts count (two 1μF flying • Low Noise Constant Frequency Operation capacitors and two small bypass capacitors at V and • 33% Less Input Current Than Doubler Charge Pump IN OUT) makes these devices ideally suited for small, bat- • High Accuracy Brightness Matching tery-powered applications. • Small Application Circuit • Regulated Output Current Skyworks' Simple Serial Control (S2Cwire™) interface is • Automatic Soft Start used to enable, disable, and set the LED drive current for • V Range: 2.7V to 5.5V 32-level logarithmic scale LED brightness control. IN • No Inductors AAT3113 and AAT3114 devices have a thermal manage- • 600kHz Switching Frequency ment system for protection in the event of a short-circuit • I <1μA in Shutdown condition on any of the output pins. Built-in soft-start Q • Temperature Range: -40°C to 85°C circuitry prevents excessive inrush current during start- • 12-Pin TSOPJW Package (AAT3113) up. A high switching frequency enables the use of small • 16-Pin QFN Package (AAT3114) external capacitors. A low-current shutdown feature dis- connects the load from V and reduces quiescent current IN to less than 1μA. The AAT3113 provides four LED current Applications source outputs, and the AAT3114 provides six. The • Programmable Current Source AAT3113 is available in a Pb-free 12-pin TSOPJW pack- • White LED Backlighting age, and the AAT3114 is available in a Pb-free 16-pin QFN package. Typical Application VIN C1+ VIN C1+ C1 C1 1µF 1µF OUT C1- OUT C1- C2+ C2+ VBATTERY C1µINF C1µOFUT AAT3113 C1µ2F VBATTERY C1µINF C1µOFUT AAT3114 C1µ2F C2- C2- D1 D1 D2 D2 D3 D3 D4 D4 EN/SET EN/SET EN/SET EN/SET D5 D6 GND D4 D3 D2 D1 GND D6 D5 D4 D3 D2 D1 Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com 1 202128B • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice. • April 16, 2013

DATA SHEET AAT3113/3114 High Efficiency 1.5X Fractional Charge Pumps for White LED Applications Pin Descriptions Pin Number AAT3114 AAT3113 Symbol Function 1 7 D2 Current source output 2. If not used, leave pin fl oating. 2 6 D3 Current source output 3. If not used, leave pin fl oating. 3 5 D4 Current source output 4. If not used, leave pin fl oating. 4 N/A D5 Current source output 5. If not used, leave pin fl oating. 5 N/A D6 Current source output 6. If not used, leave pin fl oating. 6 4 C1+ Flying capacitor 1 positive terminal. 7 3 C1- Flying capacitor 1 negative terminal. 8 N/A NC No connect. 9 2 OUT Charge pump output. Requires 1μF bypass capacitor to ground. 10 1 C2+ Flying capacitor 2 positive terminal. 11 12 C2- Flying capacitor 2 negative terminal. 12 11 GND Ground. 13 N/A NC No connect. 14 10 VIN Input power supply. Requires 1μF bypass capacitor to ground. 15 9 EN/SET Control pin using S2Cwire serial interface. Current source output 1. Required reference current source. Do not leave pin 16 8 D1 fl oating. EP Exposed paddle (bottom); connect to GND directly beneath package. Pin Configuration TSOPJW-12 QFN44-16 (Top View) (Top View) AAT3113 AAT3114 E N D1 /SET VIN NC C2+ 1 12 C2- 16 15 14 13 OUT 2 11 GND D2 1 12 GND C1- 3 10 VIN D3 2 11 C2- C1+ 4 9 EN/SET D4 5 8 D1 D4 3 10 C2+ D3 6 7 D2 D5 4 9 OUT 5 6 7 8 D C C N 6 1 1 C + - Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com 2 202128B • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice. • April 16, 2013

DATA SHEET AAT3113/3114 High Efficiency 1.5X Fractional Charge Pumps for White LED Applications Part Number Descriptions Number of LED Outputs, LED Present Part Number V Range 20mA Full-Scale Detect Current Package IN AAT3113ITP 3.0V  V  5.5V 4 150μA TSOPJW-12 IN AAT3114ISN 3.2V  V  5.5V 6 150μA QFN44-16 IN Absolute Maximum Ratings T = 25°C, unless otherwise noted. A Symbol Description Value Units V Input Voltage -0.3 to 6 V IN V Charge Pump Output -0.3 to 6 V OUT V EN/SET to GND Voltage -0.3 to 6 V EN/SET V Maximum EN/SET to Input Voltage 0.3 V EN/SET(MAX) I Maximum DC Output Current (sum of I and D currents) 150 mA OUT OUT  Thermal Resistance 37 °C/W JA T Operating Junction Temperature Range -40 to 150 °C J Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com 3 202128B • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice. • April 16, 2013

DATA SHEET AAT3113/3114 High Efficiency 1.5X Fractional Charge Pumps for White LED Applications Electrical Characteristics V = 3.5V, T = -40°C to +85°C, unless otherwise noted. Typical values are at T = 25°C. IN A A Symbol Description Conditions Min Typ Max Units Input Power Supply V Operation Range 2.7 5.5 V IN I Operating Current Active, No Load Current 1 2 mA CC I Shutdown Current EN = 0 1 μA SHDN I Output Current AAT3113: 3.0V  VIN  5.5V TA = 25°C, All Outputs 18 20 22 mA DX AAT3114: 3.2V  V  5.5V Max Current IN Output Current Line I /V 3.0V  V  5.5V -2 2 %/V D IN Regulation IN Current Matching Between I VD1:Dn = 3.6V, V = 3.3V 0.3 % (D-Match) Any Two Outputs IN  Effi ciency V = 3.5V, I = 40mA 93 % IN OUT(total) Charge Pump t Soft-Start Time 400 μs SS F Clock Frequency 300 600 900 kHz CLK EN/SET V Enable Threshold Low V = 2.7V to 5.5V 0.5 V EN(L) IN V Enable Threshold High V = 2.7V to 5.5V 1.4 V EN(H) IN t EN/SET Low Time 0.3 75 μs LO t Minimum EN/SET High Time 50 ns HI t EN/SET Off Timeout 300 500 μs OFF Input EN/SET Input Leakage V = 5.5V -1 1 μA Current IN Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com 4 202128B • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice. • April 16, 2013

DATA SHEET AAT3113/3114 High Efficiency 1.5X Fractional Charge Pumps for White LED Applications Typical Characteristics V = 3.5V, C = C = C = C = 1μF; T = 25°C, unless otherwise noted. IN IN OUT 1 2 A Quiescent Current vs. Temperature Efficiency vs. Supply Voltage 1.00 100 30mA 20mA 0.98 95 0.96 %) 90 A) 0.94 cy ( 85 40mA m n 80 I (Q 00..9902 Efficie 75 120mA 80mA 60mA 70 0.88 65 0.86 60 -40 -20 0 20 40 60 80 100 3.0 3.2 3.4 3.6 3.8 4.0 4.2 4.4 Temperature (°C) Supply Voltage (V) Quiescent Current vs. Supply Voltage Efficiency vs. Load Current 1.2 96 94 1.1 %) 92 A) 1.0 y ( 90 c m 0.9 n 88 I (Q cie 86 0.8 fi f E 84 0.7 82 0.6 80 3.0 3.5 4.0 4.5 5.0 5.5 0 20 40 60 80 100 120 Supply Voltage (V) Load Current (mA) Shutdown Current vs. Temperature Oscillator Frequency vs. Temperature 1.000 710 A) 700 µ nt ( 669800 urre 0.100 Hz) 670 C k 660 own 0.010 F (OSC 665400 d ut 630 h 620 S 0.001 610 -40 -20 0 20 40 60 80 100 -40 -20 0 20 40 60 80 100 Temperature (°C) Temperature (°C) Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com 5 202128B • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice. • April 16, 2013

DATA SHEET AAT3113/3114 High Efficiency 1.5X Fractional Charge Pumps for White LED Applications Typical Characteristics V = 3.5V, C = C = C = C = 1μF; T = 25°C, unless otherwise noted. IN IN OUT 1 2 A Normalized I vs. Temperature I Response DIODE DIODE (-31dB to 0dB) 1.02 1.01 ENSET (2V/div) 1.00 0dB E 0.99 D O DI 0.98 I 0.97 I DIODE 0.96 -31dB 0.95 -40 -20 0 20 40 60 80 100 Temperature (°C) Time (10µs/div) I vs. V I Response DIODE IN DIODE (-9dB to -10dB) 140 ENSET 120 (2V/div) 100 A) m 80 0dB ( DE 60 -10dB IDIO 40 IDIODE 20 -9dB -31dB 0 3.0 3.5 4.0 4.5 V (V) Time (10µs/div) IN I vs. V V and V vs. V DIODE DIODE IH IL IN 140 1.000 0.975 120 0.950 V) mA) 18000 V (IL 00..992050 VIH I (DIODE 4600 V and IH 000...888257505 VIL 0.800 20 0.775 0 0.750 3.0 3.2 3.4 3.6 3.8 4.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5 V (V) V (V) DIODE IN Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com 6 202128B • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice. • April 16, 2013

DATA SHEET AAT3113/3114 High Efficiency 1.5X Fractional Charge Pumps for White LED Applications Typical Characteristics V = 3.5V, C = C = C = C = 1μF; T = 25°C, unless otherwise noted. IN IN OUT 1 2 A Turn-On Turn-Off ENSET ENSET (2V/div) (2V/div) OUT OUT (5V/div) (5V/div) V V DIODE DIODE (5V/div) (2V/div) I IN IIN (50mA/div) (50mA/div) Time (100µs/div) Time (200µs/div) 40mA Load Characteristics 60mA Load Characteristics IN IN v v di di V/ V/ m OUT m OUT 10 20 V V DIODE DIODE Time (1µs/div) Time (1µs/div) 80mA Load Characteristics 120mA Load Characteristics IN IN v v di di OUT mV/ OUT mV/ 0 0 2 2 V V DIODE DIODE Time (1µs/div) Time (1µs/div) Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com 7 202128B • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice. • April 16, 2013

DATA SHEET AAT3113/3114 High Efficiency 1.5X Fractional Charge Pumps for White LED Applications Functional Block Diagram VIN Soft Start C1+ C1- 1.5X 600kHz Charge C2+ Oscillator Pump C2- Voltage Reference OUT D1 D2 EN/SET S2Cwire 5 32x8 bit 8 CMuorrdeent D3 Interface ROM DAC D4 D5* D6* GND * AAT3114 only Functional Description the EN/SET pin and decodes them into 32 individual cur- rent level settings each 1dB apart (see Table 1, Current The AAT3113 and AAT3114 devices are high efficiency Level Settings). Code 32 is full scale, and Code 1 is full 1.5X fractional charge pumps intended for white LED scale attenuated by 31dB. The modulo 32 interface backlight applications. The fractional charge pump con- wraps states back to state 1 after the 32nd clock. With sists of a linear regulator followed by a 1.5X charge each EN/SET pulse, the output current increases by 1dB. pump. The AAT3113 and AAT3114 require only four To decrease the output current by 1dB, 31 EN/SET clock external components: two 1μF ceramic capacitors for the pulses are required. The counter can be clocked at charge pump flying capacitors (C1 and C2), one 1μF speeds up to 1MHz, so intermediate states are not visi- ceramic capacitor for CIN, and one 0.33μF to 1μF ceram- ble. The first rising edge of EN/SET enables the IC and ic capacitor for COUT. The charge pump output is con- initially sets the output LED current to -31dB, the lowest verted into four or six constant current outputs (D1 to setting equal to 525μA. Once the final clock cycle is input D4 or D6) to drive four or six individual LEDs with a for the desired brightness level, the EN/SET pin is held maximum of 20mA each. The current source output high to maintain the device output current at the pro- magnitude is controlled by the EN/SET serial data grammed level. The device is disabled 500μs after the S2Cwire interface. The interface records rising edges of EN/SET pin transitions to a logic low state. Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com 8 202128B • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice. • April 16, 2013

DATA SHEET AAT3113/3114 High Efficiency 1.5X Fractional Charge Pumps for White LED Applications Applications Information EN/SET Serial Interface The current source output magnitude is controlled by the Current Level Settings EN/SET pin using Skyworks' Simple Serial Control (S2Cwire) interface. The interface records rising edges of LED current level is set via the serial interface according the EN/SET pin and decodes them into 32 individual cur- to a logarithmic scale where each code is 1dB greater rent level settings each 1dB apart. Code 32 is full scale, than the previous code. In this manner, the LED bright- and Code 1 is full scale attenuated by 31dB. The modulo ness appears linear with each increasing code. 32 interface wraps states back to state 1 after the 32nd clock, so 1dB of attenuation is achieved by clocking the Code 20mA max Code 20mA max EN/SET pin 31 times (see graph titled, “I Response 1 0.549 17 3.529 DIODE -9dB to -10dB”). The counter can be clocked at speeds 2 0.627 18 4.000 up to 1MHz, so intermediate states are not visible. The 3 0.706 19 4.471 first rising edge of EN/SET enables the IC and initially 4 0.784 20 5.020 sets the output LED current to -31dB, the lowest setting 5 0.863 21 5.647 6 1.020 22 6.353 equal to 525μA. Once the final clock cycle is input for the 7 1.098 23 7.059 desired brightness level, the EN/SET pin is held high to 8 1.255 24 7.922 maintain the device output current at the programmed 9 1.412 25 8.941 level. The device is disabled 500μs after the EN/SET pin 10 1.569 26 10.039 transitions to a logic low state. 11 1.804 27 11.216 The EN/SET timing is designed to accommodate a wide 12 1.961 28 12.627 13 2.275 29 14.118 range of data rates. After the first rising edge of EN/SET, 14 2.510 30 15.843 the charge pump is enabled and reaches full capacity 15 2.824 31 17.804 after the soft-start time (TSS). During the soft-start time, 16 3.137 32 20.000 multiple clock pulses may be entered on the EN/SET pin to set the final output current level with a single burst of Table 1: Current Level Settings. clocks. Alternatively, the EN/SET clock pulses may be entered one at a time to gradually increase the LED brightness over any desired time period. A constant cur- rent is sourced as long as EN/SET remains in a logic high state. The current source outputs are switched off after EN/SET has remained in a low state for at least the t OFF timeout period (see Figure 2). 1.0 e 0.9 al Sc 0.8 Full 0.7 o nt t 0.6 urre 0.5 C 0.4 d ze 0.3 ali m 0.2 or N 0.1 0.0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 Code Figure 1: Normalized Current Level Settings. Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com 9 202128B • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice. • April 16, 2013

DATA SHEET AAT3113/3114 High Efficiency 1.5X Fractional Charge Pumps for White LED Applications t HI t t LO OFF EN/SET Code OFF 1 2 3 OFF Figure 2: EN/SET Timing Diagram. T > 50ns 300ns < T < 75ms 50ns minimum to enable HI LO n ON/1 2 3 4 5 6 OFF (n < =32) Figure 3: Enable/Disable/LED Brightness Level Set Data Input. LED Selection internal switching losses and IC quiescent current con- sumption, the actual efficiency can be measured at 93%. AAT3113 and AAT3114 devices are designed to drive These figures are in close agreement for output load white LEDs with forward voltages to 4.2V. Since the conditions from 1mA to 100mA. Efficiency will decrease D1:D6 output current sources are matched with negligi- as load current drops below 0.05mA or when the level of ble voltage dependence, the LED brightness will be V approaches V . Refer to the Typical Characteristics IN OUT matched regardless of their forward voltage matching. section of this datasheet for measured plots of efficiency versus input voltage and output load current for the Charge Pump Efficiency given charge pump output voltage options. The AAT3113 and AAT3114 devices are fractional charge Power Efficiency and Device Evaluation pumps. The efficiency () can be simply defined as a linear voltage regulator with an effective output voltage The charge pump efficiency discussion in the previous sec- that is equal to one and one half times the input voltage. tion only accounts for efficiency of the charge pump sec- Efficiency () for an ideal 1.5X charge pump can typi- tion itself. Due to the unique circuit architecture and cally be expressed as the output power divided by the design of the AAT3113 and AAT3114, it is very difficult to input power: measure efficiency in terms of a percent value comparing P η = OUT input power over output power. Since the device outputs P IN are pure constant current sources, it is difficult to measure the output voltage for a given output (D1 to D6) to derive In addition, with an ideal 1.5X charge pump, the output an output power measurement. For any given application, current may be expressed as 2/3 of the input current. white LED forward voltage levels can differ, yet the output The expression to define the ideal efficiency () can be drive current will be maintained as a constant. This makes rewritten as: quantifying output power a difficult task when taken in the P V · I V context of comparing to other white LED driver circuit η = OUT= OUT OUT = OUT topologies. A better way to quantify total device efficiency P V · 1.5I 1.5V IN IN OUT IN is to observe the total input power to the device for a -or- given LED current drive level. The best white LED driver ⎛ V ⎞ for a given application should be based on trade-offs of η(%) = 100 OUT ⎝1.5V ⎠ size, external components count, reliability, operating IN range, and total energy usage...not just “% efficiency.” For a charge pump with an output of 5V and a nominal input of 3.5V, the theoretical efficiency is 95%. Due to Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com 10 202128B • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice. • April 16, 2013

DATA SHEET AAT3113/3114 High Efficiency 1.5X Fractional Charge Pumps for White LED Applications tions, size or area, material composition, and ambient 700 temperature. Capacitor ESR is typically measured in mil- 600 VIN = 3.6V liohms for ceramic capacitors and can range to more W) 500 than several ohms for tantalum or aluminum electrolytic m r ( 400 capacitors. e w o 300 Ceramic Capacitor Materials P ut 200 Ceramic capacitors less than 0.1μF are typically made p In 100 from NPO or C0G materials. NPO and C0G materials 0 generally have tight tolerance and are very stable over 0 20 40 60 80 100 120 140 temperature. Larger capacitor values are usually com- Output (LED) Current (mA) posed of X7R, X5R, Z5U, or Y5V dielectric materials. Large ceramic capacitors (i.e., greater than 2.2μF) are Figure 3: AAT3113/AAT3114 Input Power often available in low-cost Y5V and Z5U dielectrics, but vs. LED Current capacitors greater than 1μF are not typically required for AAT3113 or AAT3114 applications. Capacitor area is another contributor to ESR. Capacitors Capacitor Selection that are physically large will have a lower ESR when Careful selection of the four external capacitors C , C , compared to an equivalent material smaller capacitor. IN 1 C , and C is important because they will affect turn-on These larger devices can improve circuit transient 2 OUT time, output ripple, and transient performance. Optimum response when compared to an equal value capacitor in performance will be obtained when low equivalent series a smaller package size. resistance (ESR) ceramic capacitors are used. In gen- eral, low ESR may be defined as less than 100m. A Test Current/Channel Disable value of 1μF for all four capacitors is a good starting point when choosing capacitors. If the LED current Each channel of the output is equipped with a test cur- sources are only programmed for minimal current levels, rent function. The AAT3113 and AAT3114 use a small then the capacitor size may be decreased. (~150μA) current source injected into each output pin to detect the presence of an LED. Unused channels other than channel 1 should be left open and will be automati- Capacitor Characteristics cally diasbled instead of wasting the programmed output Ceramic composition capacitors are highly recommend- current. ed over all other types of capacitors for use with the AAT3113 and AAT3114 products. Ceramic capacitors Thermal Protection offer many advantages over their tantalum and alumi- num electrolytic counterparts. A ceramic capacitor typi- The AAT3113 and AAT3114 have a thermal protection cally has very low ESR, is lowest cost, has a smaller PCB circuit that will shut down the charge pump and current footprint, and is non-polarized. Low ESR ceramic capac- outputs if the die temperature rises above the thermal itors help maximize charge pump transient response. limit. However, thermal resistance of the QFN package is Since ceramic capacitors are non-polarized, they are not so low that if, in the case of the AAT3114, all six outputs prone to incorrect connection damage. are shorted to ground at maximum 20mA output level, the die temperature will not rise sufficiently to trip the Equivalent Series Resistance thermal protection. The thermal protection will only trip ESR is an important characteristic to consider when if COUT is shorted to ground and the ambient temperature selecting a capacitor. ESR is a resistance internal to a is high. capacitor that is caused by the leads, internal connec- Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com 11 202128B • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice. • April 16, 2013

DATA SHEET AAT3113/3114 High Efficiency 1.5X Fractional Charge Pumps for White LED Applications Driving White LED Display Module nected current sources. This feature is particularly useful Backlights and Individual White LEDs to power pre-manufactured display modules that are Connected in Parallel pre-wired with white LED backlights connected in a par- allel circuit configuration. All outputs can be connected in The AAT3114 D1 to D6 outputs are true constant current parallel to drive groups of LEDs as well. The internal cur- sources capable of driving up to 20mA each over the rent source reference circuit bases feedback from cur- operation input voltage range. Since these outputs are rent sensed on the D1 output. For best operation, the true constant current sources, they may be connected in only requirement for this application is that the output parallel to drive a single power output. Any combination D1 should always be connected to the load circuit. of outputs (D1 to D6) may be connected in parallel. The maximum total output current is a sum of parallel-con- Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com 12 202128B • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice. • April 16, 2013

DATA SHEET AAT3113/3114 High Efficiency 1.5X Fractional Charge Pumps for White LED Applications Application Circuits VIN C1+ C1 1µF OUT C1- C2+ VBATTERY C1µINF C1µOFUT AAT3114 C1µ2F C2- D1 D2 D3 Display µodule D4 EN/SET EN/SET D5 D6 D1 D2 D3 D4 D5 D6 GND R1 R2 R3 R4 R5 R6 Resistor R is optional Figure 4: AAT3114 Application Driving a Display Module With Six Parallel-Connected White LEDs. VIN C1+ C1 1µF OUT C1- C2+ V CIN COUT AAT3114 C2 BATTERY 1µF 1µF 1µF C2- Keyboard Backlight D1 D2 Display Backlight D3 D4 D4 D5 D6 EN/SET EN/SET D5 D6 GND D1 D2 D3 Enable Keyboard Backlight Enable Display Backlight Figure 5: AAT3114 Dual Backlight Control Circuit. Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com 13 202128B • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice. • April 16, 2013

DATA SHEET AAT3113/3114 High Efficiency 1.5X Fractional Charge Pumps for White LED Applications Ordering Information Package Marking1 Part Number (Tape and Reel)2 TSOPJW-12 HTXYY AAT3113ITP-20-T1 QFN44-16 FGXYY AAT3114ISN-20-T1 Skyworks Green™ products are compliant with all applicable legislation and are halogen-free. For additional information, refer to Skyworks Definition of Green™, document number SQ04-0074. Package Information QFN44-163 2.400 ± 0.050 Pin 1 Dot By Marking ±0.550 0.020 13 0.330 ± 0.07165 1 Pin 1 Identification ±4.000 0.050 0.650 BSC C0.3 ±2.400 0.050 9 4 8 5 4.000 ± 0.050 2.280 REF Top View Bottom View ±0.025 0.025 0.214 ± 0.036 ±0.900 0.100 Side View All dimensions in millimeters. 1. XYY = assembly and date code. 2. Sample stock is generally held on all part numbers listed in BOLD. 3. The leadless package family, which includes QFN, TQFN, DFN, TDFN and STDFN, has exposed copper (unplated) at the end of the lead terminals due to the manufacturing process. A solder fillet at the exposed copper edge cannot be guaranteed and is not required to ensure a proper bottom solder connection. Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com 14 202128B • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice. • April 16, 2013

DATA SHEET AAT3113/3114 High Efficiency 1.5X Fractional Charge Pumps for White LED Applications TSOPJW-12 0.20 + 0.10 - 0.05 0 0 1 2 0. 0. ± ± 0 5 4 8 2. 2. 0.50 BSC0.50 BSC0.50 BSC0.50 BSC0.50 BSC 7° NOM 0.04 REF 3.00 ± 0.10 5 0 ±0.9625 0.0375 + 0.10 1.00 - 0.065 ±0.15 0. 0.055 ± 0.045 0.010 4° ± 4° 0.45 ± 0.15 2.75 ± 0.25 All dimensions in millimeters. Copyright © 2012, 2013 Skyworks Solutions, Inc. All Rights Reserved. Information in this document is provided in connection with Skyworks Solutions, Inc. (“Skyworks”) products or services. These materials, including the information contained herein, are provided by Skyworks as a service to its customers and may be used for informational purposes only by the customer. Skyworks assumes no responsibility for errors or omissions in these materials or the information contained herein. Sky- works may change its documentation, products, services, specifi cations or product descriptions at any time, without notice. Skyworks makes no commitment to update the materials or information and shall have no responsibility whatsoever for confl icts, incompatibilities, or other diffi culties arising from any future changes. No license, whether express, implied, by estoppel or otherwise, is granted to any intellectual property rights by this document. Skyworks assumes no liability for any materials, products or information provided here- under, including the sale, distribution, reproduction or use of Skyworks products, information or materials, except as may be provided in Skyworks Terms and Conditions of Sale. THE MATERIALS, PRODUCTS AND INFORMATION ARE PROVIDED “AS IS” WITHOUT WARRANTY OF ANY KIND, WHETHER EXPRESS, IMPLIED, STATUTORY, OR OTHERWISE, INCLUDING FITNESS FOR A PARTICULAR PURPOSE OR USE, MERCHANTABILITY, PERFORMANCE, QUALITY OR NON-INFRINGEMENT OF ANY INTELLECTUAL PROPERTY RIGHT; ALL SUCH WARRANTIES ARE HEREBY EXPRESSLY DISCLAIMED. SKYWORKS DOES NOT WARRANT THE ACCURACY OR COMPLETENESS OF THE INFORMATION, TEXT, GRAPHICS OR OTHER ITEMS CONTAINED WITHIN THESE MATERIALS. SKYWORKS SHALL NOT BE LIABLE FOR ANY DAMAGES, IN- CLUDING BUT NOT LIMITED TO ANY SPECIAL, INDIRECT, INCIDENTAL, STATUTORY, OR CONSEQUENTIAL DAMAGES, INCLUDING WITHOUT LIMITATION, LOST REVENUES OR LOST PROFITS THAT MAY RESULT FROM THE USE OF THE MATERIALS OR INFORMATION, WHETHER OR NOT THE RECIPIENT OF MATERIALS HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. Skyworks products are not intended for use in medical, lifesaving or life-sustaining applications, or other equipment in which the failure of the Skyworks products could lead to personal injury, death, physical or en- vironmental damage. Skyworks customers using or selling Skyworks products for use in such applications do so at their own risk and agree to fully indemnify Skyworks for any damages resulting from such improper use or sale. Customers are responsible for their products and applications using Skyworks products, which may deviate from published specifi cations as a result of design defects, errors, or operation of products outside of pub- lished parameters or design specifi cations. Customers should include design and operating safeguards to minimize these and other risks. Skyworks assumes no liability for applications assistance, customer product design, or damage to any equipment resulting from the use of Skyworks products outside of stated published specifi cations or parameters. Skyworks, the Skyworks symbol, and “Breakthrough Simplicity” are trademarks or registered trademarks of Skyworks Solutions, Inc., in the United States and other countries. Third-party brands and names are for identifi cation purposes only, and are the property of their respective owners. Additional information, including relevant terms and conditions, posted at www.skyworksinc.com, are incorporated by reference. Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com 15 202128B • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice. • April 16, 2013