V13
1
︳
EC4BW SERIES
10 WATT 4:1 INPUT RANGE
DC-DC CONVERTERS
FEATURES
* 10W Isolated Output
* 2”x1” Six-Sided Shield Metal Case
* Efficiency to 82%
* 4:1 Input Range
* Pi Input Filter
* Continuous Short Circuit Protection
* Meets EN55022 Class A, Conducted
INPUT CURRENT
MODEL
NUMBER
INPUT
VOLTAGE
OUTPUT
VOLTAGE
OUTPUT
CURRENT NO LOAD FULL LOAD
% EFF.
CAPACITOR
LOAD MAX.
EC4BW01 9-36 VDC
5 VDC 2000 mA 15 mA 534 mA 78 2000uF
EC4BW02 9-36 VDC
12 VDC 830 mA 15 mA 520 mA 80 830uF
EC4BW03 9-36 VDC
15 VDC 666 mA 15 mA 520 mA 80 666uF
EC4BW04 9-36 VDC
±12 VDC ±415 mA 20 mA 520 mA 80 T.B.D.
EC4BW05 9-36 VDC
±15 VDC ±333 mA 20 mA 520 mA 80 T.B.D.
EC4BW06 9-36 VDC
±5 VDC ±1000 mA 20 mA 520 mA 80 T.B.D.
EC4BW07 9-36 VDC
3.3 VDC 2000 mA 15 mA 362 mA 76 2000uF
EC4BW11 18-72 VDC
5 VDC 2000 mA 10 mA 260 mA 80 2000uF
EC4BW12 18-72 VDC
12 VDC 830 mA 10 mA 257 mA 81 830uF
EC4BW13 18-72 VDC
15 VDC 666 mA 10 mA 257 mA 81 666uF
EC4BW14 18-72 VDC
±12 VDC ±415 mA 15 mA 257 mA 81 T.B.D.
EC4BW15 18-72 VDC
±15 VDC ±333 mA 15 mA 253 mA 82 T.B.D.
EC4BW16 18-72 VDC
±5 VDC ±1000 mA 15 mA 253 mA 82 T.B.D.
EC4BW17 18-72 VDC
3.3 VDC 2000 mA 10 mA 181 mA 76 2000uF
NOTE: 1. Nominal Input Voltage 24 or 48VDC
V13
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SPECIFICATIONS
All Specifications Typical At Nominal Line, Full Load, and 25℃ Unless Otherwise Noted
INPUT SPECIFICATIONS: GENERAL SPECIFICATIONS:
Input Voltage Range ....………….... 24V …………………….….…..….. 9-36V
Efficiency ................................................................................... See Table
48V …….…....………….…..…. 18-
Isolation Voltage ......................................................................…
500 VDC
Input Surge Voltage (100ms max.) ……….….… 24V ……............ 50Vdc max.
Isolation Resistance ...............................................…….… 10
9
ohm min.
48V ................. 100Vdc max.
Isolation Capacitance …………………..…………………..…… 500pF typ.
Input Filter ………………………………………………….……………..... Pi Type
Switching Frequency .............................................................. 300KHz typ.
OUTPUT SPECIFICATIONS:
Operating Ambient Temperature Range ……................... –25℃ to +71℃
Voltage Accuracy ………………....……………….......…………… ±1.0% max.
De-rating, Above 71°C …….………….. Linearly to Zero power at 100°C
Voltage Balance Dual Output at Full Load …………………..…… ±1.0% max.
Case Temperature (note3) ………......................................... 100℃ max.
Transient Response
Cooling ……………..……………….………………… Natural Convection
Single 25% Step Load Change ………………………………..………<500us
Storage Temperature Range ………….……..………..... –40℃ to +100℃
Dual FL-1/2L±1% Error Band …………………………………..…….. <500us
Humidity .................................................... 95% RH max. Non condensing
Ripple and Noise, 20MHz BW ………………………..…….. 75mV pk-pk max.
MTBF ……… MIL-STD-217F, GB, 25℃, Full Load ……… 750K hrs Typ.
Temperature Coefficient ………………………….........…….. ±0.02%/°C max.
EMI/RFI ………………………………………. Six sided Continuous Shield
Short Circuit Protection …………………………………….……….. Continuous
Dimensions ………………. 2.00x1.00x0.40 inches (50.8x25.4x10.2 mm)
Line Regulation (note1)………………………………...............…… ±0.2% max.
Case Material ……..… Black Coated Copper with Non-Conductive Base
Load Regulation (note2) ………………………...………........…...... ±1.0% max.
Weight …………………………….………………..…………………….. 32g
Start up time …………………………………… 24Vin …………….... 5ms typ.
48Vin ..................... 10ms typ.
NOTE:
1. Measured from high line to low line.
2. Measured from full load to 1/4 load.
3. Maximum case temperature under any operating condition should
not be exceeded 100℃.
Case B Dimensions:
BOTTOM
VIEW
1
2
5 4 3
PIN CONNECTION
Pin
1
2
3
4
5
+Input
-Input
+Output
Common/NP
-Output
Function
*NP-NO PIN ON SINGLE OUTPUT
min
Tolerances Inches: X.XX= ±0.04 , X.XXX= ±0.010
Millimeters: X.X= ±1.0 , X.XX=±0.25
All Dimensions In Inches (mm)
NOTE: Pin Size is 0.04±0.004 Inch (1.0±0.1 mm)DIA
0.40
[10.2]
0.200
[5.08]
0.60
[15.2]
2.000
[50.80]
0.800
[20.32]
0.400
[10.16]
0.400
[10.16]
1.00
[2.54]
0.40
[10.2]
0.22
[5.6]
0.04
[1.0]
Typical Derating curve for Natural Convection
100
71-25
0%
20%
40%
60%
80%
100%
120%
-25 0 25 50 75 100
Ambient Temperature(
o
C)
LOAD(%)
Natural
Convection