V24 ︳EC4BU SERIES 10 WATT 2:1 INPUT DC-DC CONVERTERS FEATURES * 10W Isolated Output * Efficiency to 87% * 2:1 Input Range * Regulated Outputs * Fixed Switching Frequency * Input Under Voltage Protection * Over Current Protection * Conductive EMI Meets EN55022 Class A * Continuous Short Circuit Protection * Without Tantalum Capacitors Inside * CE Mark Meets 2004/108/EC * Safety Meets UL60950-1, EN60950-1 and IEC60950-1 MODEL INPUT OUTPUT OUTPUT CURRENT INPUT CURRENT % CAPACITOR NUMBER VOLTAGE VOLTAGE EFF. LOAD MAX. MIN. MAX. NO LOAD FULL LOAD EC4BU-05S33 4.7-9 VDC 3.3 VDC 0 mA 2500 mA 120 mA 1897 mA 87 2470uF EC4BU-05S05 4.7-9 VDC 5 VDC 0 mA 2000 mA 120 mA 2299 mA 87 2000uF EC4BU-05S12 4.7-9 VDC 12 VDC 0 mA 833 mA 50 mA 2298 mA 87 940uF EC4BU-05S15 4.7-9 VDC 15 VDC 0 mA 666 mA 50 mA 2297 mA 87 690uF EC4BU-05D05 4.7-9 VDC ±5 VDC 0 mA ±1000 mA 50 mA 2353 mA 85 1000uF EC4BU-05D12 4.7-9 VDC ±12 VDC 0 mA ±416 mA 50 mA 2295 mA 87 440uF EC4BU-05D15 4.7-9 VDC ±15 VDC 0 mA ±333 mA 50 mA 2297 mA 87 330uF EC4BU-12S33 9-18 VDC 3.3 VDC 0 mA 2500 mA 30 mA 838 mA 82 2470uF EC4BU-12S05 9-18 VDC 5 VDC 0 mA 2000 mA 30 mA 980 mA 85 2000uF EC4BU-12S12 9-18 VDC 12 VDC 0 mA 833 mA 35 mA 957 mA 87 940uF EC4BU-12S15 9-18 VDC 15 VDC 0 mA 666 mA 35 mA 956 mA 87 690uF EC4BU-12D05 9-18 VDC ±5 VDC 0 mA ±1000 mA 45 mA 980 mA 85 1000uF EC4BU-12D12 9-18 VDC ±12 VDC 0 mA ±416 mA 45 mA 957 mA 87 440uF EC4BU-12D15 9-18 VDC ±15 VDC 0 mA ±333 mA 45 mA 957 mA 87 330uF EC4BU-24S33 18-36 VDC 3.3 VDC 0 mA 2500 mA 25 mA 419 mA 82 2470uF EC4BU-24S05 18-36 VDC 5 VDC 0 mA 2000 mA 25 mA 490 mA 85 2000uF EC4BU-24S12 18-36 VDC 12 VDC 0 mA 833 mA 25 mA 478 mA 87 940uF EC4BU-24S15 18-36 VDC 15 VDC 0 mA 666 mA 25 mA 478 mA 87 690uF EC4BU-24D05 18-36 VDC ±5 VDC 0 mA ±1000 mA 25 mA 490 mA 85 1000uF EC4BU-24D12 18-36 VDC ±12 VDC 0 mA ±416 mA 25 mA 478 mA 87 440uF EC4BU-24D15 18-36 VDC ±15 VDC 0 mA ±333 mA 25 mA 478 mA 87 330uF EC4BU-48S33 36-75 VDC 3.3 VDC 0 mA 2500 mA 20 mA 212 mA 81 2470uF EC4BU-48S05 36-75 VDC 5 VDC 0 mA 2000 mA 20 mA 245 mA 85 2000uF EC4BU-48S12 36-75 VDC 12 VDC 0 mA 833 mA 20 mA 239 mA 87 940uF EC4BU-48S15 36-75 VDC 15 VDC 0 mA 666 mA 20 mA 239 mA 87 690uF EC4BU-48D05 36-75 VDC ±5 VDC 0 mA ±1000 mA 20 mA 245 mA 85 1000uF EC4BU-48D12 36-75 VDC ±12 VDC 0 mA ±416 mA 20 mA 239 mA 87 440uF EC4BU-48D15 36-75 VDC ±15 VDC 0 mA ±333 mA 20 mA 239 mA 87 330uF NOTE: 1. Nominal Input Voltage 5, 12, 24 or 48 VDC 1

V24 SPECIFICATIONS All Specifications Typical At Nominal Line, Full Load, and 25℃ Unless Otherwise Noted INPUT SPECIFICATIONS: GENERAL SPECIFICATIONS: Input Voltage Range ....……………...............………. 5V .................. 4.7 - 9V Efficiency ...........................................………..………............ See Table 12V .................. 9 - 18V Isolation Voltage .................................……..…………...... 1500 VDC min. 24V …….….... 18 – 36V Isolation Resistance .....................…….…………….…..… 109 ohm min. 48V …….….... 36 – 75V Isolation Capacitance …………………..………………..…… 1000pF typ. Under Voltage Lockout ………... 5Vin power up: 4.4V ….. power down: 4.2V Switching Frequency ............................……......................... 350KHz typ. 12Vin power up: 8.4V ….. power down: 8V EMI/RFI ……….……..…….…. Conductive EMI Meets EN55022 Class A 24Vin power up: 17V …... power down: 16V Case Grounding ………. Connect Case to -Vin with Decoupling Y Cap. 48Vin power up: 34V …... power down: 32V Operating Ambient Temperature Range ...…..…...…….... -40℃ to +85℃ Input Surge Voltage (100mS max.) …... 5Vin …………………….. 12Vdc max. Derating, Above 85℃ ….…………..…. Linearly to Zero Power at +105℃ 12Vin …………………... 25Vdc max. Case Temperature (Note 4) ………………………………………….. 105℃ 24Vin …………………... 50Vdc max. Cooling ………………………………………………… Natural Convection 48Vin ………………... 100Vdc max. Storage Temperature Range ...…............……....…....... -55℃ to +125℃ Input Filter ………………………………..……….………....……………. PI Type Humidity ……………………………..…… 95% RH max. Non condensing OUTPUT SPECIFICATIONS: MTBF …… MIL-STD-217-F, GB, 25℃, Full Load ……....…… 1200Khrs Voltage Accuracy ………………....….………….........…………… ±1.5% max. Dimensions ......................... 2.00x1.00x0.4 inches (50.8x25.4x10.2 mm) Voltage Balance (Dual) …….……………………..…………..….…. ±2.0% max. Case Material ……… Black Coated Copper with Non-Conductive Base Transient Response: 25% Step Load Change ..................….....……… <500us Weight …………………………………………………………………. 35g Ripple and Noise, 20MHz BW (Measured with 0.1uF MLCC) …… 100mV pk-pk max. NOTE: Temperature Coefficient ....................….………...…..……….. ±0.03%/℃ max. 1. Measured from high line to low line. Short Circuit Protection ...................…....…………………..……….. Continuous 2. Measured from full load to min. load. Line Regulation (note1) ..……..……….…... Single ……….….. ±0.2% max. 3. Maximum case temperature under any operating condition should Dual ….….....… ±0.5% max. Not be exceeded 105℃. Load Regulation (note2) …….……………... Single ….............. ±0.2% max. Typical Derating curve for Natural Convection Dual ……......… ±1.0% max. 120% Cross Regulation (Dual output) Load cross variation 10%/100% …. ±5% max. -40 85 Over Voltage Protection ……………………….………… Zener or TVS Clamp 100% Current Limit ……………………………………. 110% - 140% Nominal Output 81 Start up time …………………………………………………..……… 20ms max. 80% %) OPTION: D( 60% A 1. Suffix ”T” to the model number with remote positive on/off control: O OTHERS L 40% Logic Compatibility ….. CMOS or open collector TTL, referenced to -Vin XXS33,S05,D05 Module on ……………….……..……… >5.5VDC to 75VDC or open circuit 20% Module off ……………………………………………….…………. <1.2VDC 105 2. Suffix “A” to the model number with output voltage adjustable 0% external trim adj. range≦±10%, single output models only. -40 -20 0 20 40 60 80 100 120 Ambient Temperature(℃) CASE B Dimensions: NOTE: Pin Size is 0.04±0.004 Inch (1.0±0.1 mm)DIA All Dimensions In Inches (mm) Tolerances Inches: X.XX= ±0.04 , X.XXX= ±0.010 Millimeters: X.X= ±1.0 , X.XX=±0.25 0.300 0.200 0.40 [7.62] [5.08] [10.2] 0.60 [15.2] PIN CONNECTION 6 2 1 Pin Function 1 +Input 2.00 [50.8] 0.800 [20.32] 5 BOVTIE4TWOM 3 0.04 [1.0] 3452 Commo+-nVV/N -OOIPnuup/tTtupprtuuimtt(Option) 6 NP/Remote(Option) *NP-NO PIN ON SINGLE OUTPUT 0.22min 0.400 0.400 [5.6] [10.16] [10.16] 0.40 1.00 [10.2] [25.4] 2

Mouser Electronics Authorized Distributor Click to View Pricing, Inventory, Delivery & Lifecycle Information: C incon: EC4BU-05D05 EC4BU-05D12 EC4BU-05D15 EC4BU-05S05 EC4BU-05S12 EC4BU-05S15 EC4BU-05S33 EC4BU-12D05 EC4BU-12D12 EC4BU-12D15 EC4BU-12S05 EC4BU-12S12 EC4BU-12S15 EC4BU-12S33 EC4BU-24D05 EC4BU-24D12 EC4BU-24D15 EC4BU-24S05 EC4BU-24S12 EC4BU-24S15 EC4BU-24S33 EC4BU-48D05 EC4BU-48D12 EC4BU-48D15 EC4BU-48S05 EC4BU-48S12 EC4BU-48S15 EC4BU-48S33 EC4BU-05S05AT