V11
EC4SBW SERIES
20 WATT 4:1 INPUT
DC-DC CONVERTERS
FEATURES
* 20W Isolated Output
* 1”x1”x0.4” Shielded Metal Case
* Very High Efficiency Up to 90.5%
* Low No Load Power Consumption
* 4:1 Input Range
* Regulated Outputs
* Fixed Switching Frequency
* Input Under Voltage Protection
* Over Current Protection
* Remote On/Off
* Continuous Short Circuit Protection
* Without Tantalum Capacitors Inside
* Safety Meets IEC/EN/UL 62368-1
MODEL
NUMBER
INPUT
VOLTAGE
OUTPUT
VOLTAGE
OUTPUT CURRENT
INPUT CURRENT
MIN.
MAX.
NO LOAD
% Eff.
FULL LOAD (2)
CAPACITIVE
(3) LOAD MAX.
EC4SBW-24S33
9-36 VDC
3.3 VDC
0 mA
4500 mA
10 mA
699 mA
88 88.5
5000uF
EC4SBW-24S05
9-36 VDC
5 VDC
0 mA
4000 mA
10 mA
920 mA
90 90.5
4000uF
EC4SBW-24S12
9-36 VDC
12 VDC
0 mA
1670 mA
10 mA
938 mA
89 89
1650uF
EC4SBW-24S15
9-36 VDC
15 VDC
0 mA
1330 mA
933 mA
89 89
1300uF
EC4SBW-24D12
9-36 VDC
±12 VDC
0 mA
±830 mA
10 mA
10 mA
938 mA
88.5 88.5
800uF
EC4SBW-24D15
9-36 VDC
±15 VDC
0 mA
±660 mA
10 mA
926 mA
89 89
650uF
EC4SBW-48S33 18-75 VDC
EC4SBW-48S05 18-75 VDC
3.3 VDC
5 VDC
0 mA
0 mA
4500 mA
4000 mA
8 mA
8 mA
349 mA
89 88.5
5000uF
460 mA
90.5 90.5
4000uF
EC4SBW-48S12 18-75 VDC
12 VDC
0 mA
1670 mA
8 mA
466 mA
89.5 89.5
1650uF
EC4SBW-48S15 18-75 VDC
15 VDC
0 mA
1330 mA
8 mA
467 mA
89 89
1300uF
EC4SBW-48D12 18-75 VDC
±12 VDC
0 mA
±830 mA
8 mA
469 mA
89.5 88.5
800uF
EC4SBW-48D15 18-75 VDC
±15 VDC
0 mA
±660 mA
8 mA
466 mA
89.5 88.5
650uF
NOTE:
1. Nominal Input Voltage 24 or 48 VDC
2. Measure at 12VDC for 24 Vin, 24VDC for 48 Vin
3. Measure at Nominal Input Voltage
1
V11
SPECIFICATIONS
All Specifications Typical At Nominal Line, Full Load, and 25℃ Unless Otherwise Noted
INPUT SPECIFICATIONS:
GENERAL SPECIFICATIONS:
Input Voltage Range ....……………...............………. 24V ................... 9 – 36V
48V ……..….... 18 – 75V
Input Surge Voltage (100ms max.) ……….……...… 24V …........ 50Vdc max.
48V .......... 100Vdc max.
Efficiency ...........................................………..………............ See Table
Isolation Voltage .................................……..………......... 1500 VDC min.
Isolation Resistance .....................…….………….……… 109 Ohms min.
Isolation Capacitance…………………..…………………..…1500pF typ.
Switching Frequency .......................... Vo=3.3V/5V ............. 270KHz typ.
Others ……..……... 330KHz typ.
Operating Ambient Temperature Range ...…..…..…….... -40℃ to +85℃
Derating, Above 65℃ (note7) …..…. Linearly to Zero Power at +105℃
Under Voltage Lockout …………….. 24Vin Power up ….…..….……. 8.8V typ.
24Vin Power down ….…...…. 8.0V typ.
48Vin Power up ………...…….. 17V typ.
48Vin Power down ………...... 16V typ.
Input Filter ………………………………..………………………………. Pi Type
Positive Logic Remote On/Off Control (note4):
Logic Compatibility ……… CMOS or Open Collector TTL, ref. to -Vin
Module On ………………………… >+3.5 to 75VDC or Open Circuit
Module Off ………………………….………………………. 0 to
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