V26
EC5BU SERIES
︳
15 WATT 2:1 INPUT
DC-DC CONVERTERS
FEATURES
* 15W Isolated Output
* Efficiency to 90%
* 2:1 Input Range
* Regulated Outputs
* Fixed Switching Frequency
* Input Under Voltage Protection
* Over Current Protection
* Conductive EMI Meets EN55032 Class A
* Continuous Short Circuit Protection
* Without Tantalum Capacitors Inside
* Safety Meets IEC/EN/UL 62368-1
OUTPUT CURRENT
MODEL
INPUT
OUTPUT
NUMBER
VOLTAGE
VOLTAGE
MIN.
MAX.
INPUT CURRENT
NO LOAD
% CAPACITOR
FULL LOAD EFF. LOAD MAX.
EC5BU-12S33
EC5BU-12S05
9-18 VDC
9-18 VDC
3.3 VDC
5 VDC
0 mA
0 mA
4000 mA
3000 mA
90 mA
85 mA
1280 mA
1453 mA
85
88
4000uF
3000uF
EC5BU-12S12
EC5BU-12S15
9-18 VDC
9-18 VDC
12 VDC
15 VDC
0 mA
0 mA
1250 mA
1000 mA
70 mA
70 mA
88
88
1330uF
1000uF
EC5BU-12D05
9-18 VDC
±5 VDC
0 mA
±1500 mA
45 mA
85
EC5BU-12D12
EC5BU-12D15
9-18 VDC
9-18 VDC
±12 VDC
±15 VDC
0 mA
0 mA
±625 mA
±500 mA
45 mA
45 mA
1420 mA
1420 mA
1470 mA
1436 mA
1470uF
660uF
EC5BU-24S33
EC5BU-24S05
18-36 VDC
18-36 VDC
3.3 VDC
5 VDC
0 mA
0 mA
4000 mA
3000 mA
EC5BU-24S12
EC5BU-24S15
18-36 VDC
18-36 VDC
12 VDC
15 VDC
0 mA
0 mA
EC5BU-24D05
18-36 VDC
±5 VDC
EC5BU-24D12
EC5BU-24D15
18-36 VDC
18-36 VDC
EC5BU-48S33
EC5BU-48S05
1420 mA
87
88
50 mA
50 mA
640 mA
718 mA
86
89
4000uF
3000uF
1250 mA
1000 mA
20 mA
20 mA
90
90
1330uF
1000uF
0 mA
±1500 mA
25 mA
86
±12 VDC
±15 VDC
0 mA
0 mA
±625 mA
±500 mA
25 mA
25 mA
695 mA
695 mA
726 mA
710 mA
1470uF
660uF
36-75 VDC
36-75 VDC
3.3 VDC
5 VDC
0 mA
0 mA
4000 mA
3000 mA
EC5BU-48S12
36-75 VDC
12 VDC
0 mA
EC5BU-48S15
EC5BU-48D05
36-75 VDC
36-75 VDC
15 VDC
±5 VDC
EC5BU-48D12
EC5BU-48D15
36-75 VDC
36-75 VDC
±12 VDC
±15 VDC
550uF
702 mA
88
89
25 mA
30 mA
320 mA
359 mA
86
88
4000uF
3000uF
1250 mA
20 mA
347 mA
90
0 mA
0 mA
1000 mA
±1500 mA
±625 mA
±500 mA
351 mA
363 mA
355 mA
90
86
0 mA
0 mA
20 mA
20 mA
20 mA
1330uF
1000uF
20 mA
351 mA
NOTE: 1. Nominal Input Voltage 12, 24 or 48 VDC
1
88
89
550uF
1470uF
660uF
550uF
V26
SPECIFICATIONS
All Specifications Typical at Nominal Line, Full Load, and 25℃ Unless Otherwise Noted
INPUT SPECIFICATIONS:
GENERAL SPECIFICATIONS:
Input Voltage Range ....……………...............………. 12V ….............. 9 - 18V
24V ….…….... 18 – 36V
48V ….…….... 36 – 75V
Under Voltage Lockout …….…. 12Vin power up: 8.4V ……. power down: 8V
24Vin power up: 17V ........ power down: 16V
48Vin power up: 34V ……. power down: 32V
Input Surge Voltage (100ms max.) … 12Vin ……………………. 25Vdc max.
24Vin ……………………. 50Vdc max.
48Vin ……………….… 100Vdc max.
Input Filter …………………………….……..……….………….…………. Pi Type
Efficiency ...........................................………..………............ See Table
Isolation Voltage .................................……..………......... 1500 VDC min.
Isolation Resistance .....................…….…………...……… 109 Ohm min.
Isolation Capacitance …………………..………………..…… 1000pF typ.
Switching Frequency ............................……......................... 350KHz typ.
EMI/RFI ……….……...…….…. Conductive EMI Meets EN55032 Class A
Case Grounding …..……. Connect Case to -Vin with Decoupling Y Cap
OUTPUT SPECIFICATIONS:
Operating Ambient Temperature Range ...……...…….... -40℃ to +85℃
Derating, Above 78℃ ……………..…. Linearly to Zero Power at +105℃
Case Temperature (note4) ….……………………………………….. 105℃
Cooling ………………………………………………… Natural Convection
Voltage Accuracy …………………...……………….......…….…… ±1.5% max.
Voltage Balance (Dual) …….……………………………………..…. ±2.0% max.
Transient Response: 25% Step Load Change ............…........……… 5.5VDC to 75VDC or open circuit
Module off …………………………………………….…………. 0 to
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