V32
EC7B SERIES
20 WATT 2:1 INPUT RANGE
DC-DC CONVERTERS
︳
FEATURES
* 20W Isolated Output
* Efficiency to 90%
* Fixed Switching Frequency
* 2:1 Input Range
* Regulated Outputs
* Continuous Short Circuit Protection
* Pi Input Filter
* UL60950-1 Approval
* Safety Meets IEC/EN/UL 62368-1
MODEL
NUMBER
INPUT
VOLTAGE
OUTPUT
VOLTAGE
OUTPUT CURRENT
INPUT CURRENT
MIN.
MAX.
NO LOAD
% CAPACITOR
EFF. LOAD MAX.
FULL LOAD
EC7B-12D12
9-18 VDC
±12 VDC
42 mA
±835 mA
40 mA
1856 mA
90
1000uF
EC7B-12D15
EC7B-24S18
9-18 VDC
18-36 VDC
±15 VDC
1.8 VDC
33 mA
0 mA
±670 mA
6000 mA
40 mA
30 mA
1861 mA
523 mA
90
86
800uF
6000uF
EC7B-24S25
EC7B-24S33
18-36 VDC
18-36 VDC
2.5 VDC
3.3 VDC
0 mA
0 mA
6000 mA
5000 mA
30 mA
40 mA
710 mA
764 mA
88
90
6000uF
5000uF
EC7B-24S05
EC7B-24S12
18-36 VDC
18-36 VDC
5 VDC
12 VDC
0 mA
0 mA
4000 mA
1670 mA
60 mA
20 mA
926 mA
928 mA
90
90
4000uF
2000uF
EC7B-24S15
18-36 VDC
15 VDC
0 mA
1330 mA
20 mA
924 mA
90
2000uF
EC7B-24D12
EC7B-24D15
18-36 VDC
18-36 VDC
±12 VDC
±15 VDC
42 mA
33 mA
±835 mA
±670 mA
20 mA
20 mA
928 mA
930 mA
90
90
1000uF
800uF
EC7B-48S18
EC7B-48S25
36-75 VDC
36-75 VDC
1.8 VDC
2.5 VDC
0 mA
0 mA
6000 mA
6000 mA
30 mA
30 mA
262 mA
359 mA
86
87
6000uF
6000uF
EC7B-48S33
36-75 VDC
3.3 VDC
0 mA
5000 mA
30 mA
386 mA
89
5000uF
EC7B-48S05
EC7B-48S12
36-75 VDC
36-75 VDC
5 VDC
12 VDC
0 mA
0 mA
4000 mA
1670 mA
40 mA
15 mA
463 mA
469 mA
90
89
4000uF
2000uF
EC7B-48S15
EC7B-48D12
36-75 VDC
36-75 VDC
15 VDC
±12 VDC
0 mA
42 mA
1330 mA
±835 mA
15 mA
10 mA
472 mA
464 mA
88
90
2000uF
1000uF
EC7B-48D15
36-75 VDC
±15 VDC
33 mA
±670 mA
10 mA
471 mA
89
800uF
NOTE: 1. Nominal Input Voltage 12, 24, 48VDC
1
V32
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
Input Surge Voltage (100ms max.) …….…..… 12V ………............ 25Vdc max.
24V ..................... 50Vdc max.
48V ................... 100Vdc max.
Efficiency .................................................................…..……... See Table
Isolation Voltage ............….. Input/Output .........……..…. 1500VDC max.
Isolation Resistance ............................…...............……. 108 Ohm min.
Isolation Capacitance …………………..……………….…… 1000pF typ.
Switching Frequency .........................…….........………...... 350KHz typ.
EMI/RFI ……………………….……..…….. Six Sided Continuous Shield
Under Voltage Lockout ……….. 12Vin power up ……………..…..………. 8.8V
12Vin power down …….…...........……. 8.0V
24Vin power up …………..…...………... 17V
24Vin power down …………............…. 16V
48Vin power up ………….…………….. 34V
48Vin power down ……..…..……....…. 33V
Positive Logic Remote On/Off (see note3&4)
Input Filter ………………………………………………….……………… Pi Type
Operating Ambient Temperature ………………..…... -40℃ to +85℃
De-rating, Above 71℃ ………………… Linearly to Zero power at 100℃
Case Temperature (note6) ………………….……………….. 100℃ max.
Cooling ………………………………………………… Natural Convection
OUTPUT SPECIFICATIONS:
Dimensions ………........... 2.00x1.00x0.40 inches (50.8x25.4x10.2 mm)
Voltage Accuracy.....................................................………........… ±1.5% max.
Voltage Balance (Dual) ……….………………………………….….±2.0% max.
Case Material ……..… Black Coated Copper with Non-Conductive Base
Weight …………………………………………………………………... 35g
Transient Response: 75% - 100% Step Load Change
NOTE:
Error Band …….. ±5% Vout Nominal, Recovery Time ….……….. 5.5VDC or open circuit
Module off …………………….…………..…..……. 0 to
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