V12
1
︳
EC5BW SERIES
15 WATT 4:1 INPUT
DC-DC CONVERTERS
FEATURE
S
* 15W Isolated Output
* Efficiency to 88%
* 2’’x1’’ Six-Sided Shield Metal Case
* 4:1 Input Range
* Regulated Outputs
* Fixed Switching Frequency
* Input Under Voltage Protection
* Over Current Protection
* Remote On/Off (Option)
* Continuous Short Circuit Protection
* No Tantalum Capacitor Inside
* Conductive EMI Meets EN55032 Class A
* Safety Meets IEC/EN/UL 62368-1
NOTE:
1. Nominal Input Voltage 24, 48VDC
2. Measured at Nominal Input Voltage
3. Measured at 12VDC for 24Vin, 24VDC for 48Vin
MODEL
NUMBER
INPUT
VOLTAGE
OUTPUT
VOLTAGE
OUTPUT CURRENT INPUT CURRENT
% EFF.
CAPACITOR
LOAD MAX.
MIN. MAX. NO LOAD
FULL LOAD
(2)
(3)
EC5BW-24S33
9-36 VDC
3.3 VDC
0 mA 4000 mA
60 mA 632 mA 87
87
4000µF
EC5BW-24S05
9-36 VDC
5 VDC
0 mA 3000 mA
70 mA 718 mA 87
87
3000µF
EC5BW-24S12
9-36 VDC
12 VDC
0 mA 1250 mA
30 mA 718 mA 87
87
1250µF
EC5BW-24S15
9-36 VDC
15 VDC
0 mA 1000 mA
30 mA 710 mA 88
88
1000µF
EC5BW-24D05
9-36 VDC
±5 VDC
0 mA ±1500 mA
30 mA 735 mA 85
85
1500µF
EC5BW-24D12
9-36 VDC
±12 VDC
0 mA ±625 mA
30 mA 718 mA 87
87
625µF
EC5BW-24D15
9-36 VDC
±15 VDC
0 mA ±500 mA
30 mA 710 mA 88
88
470µF
EC5BW-48S33
18-75 VDC
3.3 VDC
0 mA 4000 mA
40 mA 313 mA 88
88
4000µF
EC5BW-48S05
18-75 VDC
5 VDC
0 mA 3000 mA
40 mA 355 mA 88
88
3000µF
EC5BW-48S12
18-75 VDC
12 VDC
0 mA 1250 mA
20 mA 359 mA 87
87
1250µF
EC5BW-48S15
18-75 VDC
15 VDC
0 mA 1000 mA
20 mA 359 mA 87
87
1000µF
EC5BW-48D05
18-75 VDC
±5 VDC
0 mA ±150 0mA
20 mA 368 mA 85
85
1500µF
EC5BW-48D12
18-75 VDC
±12 VDC
0 mA ±625 mA
20 mA 359 mA 87
87
625µF
EC5BW-48D15
18-75 VDC
±15 VDC
0 mA ±500 mA
20 mA 359 mA 87
87
470µF
V12
2
SPECIFICATIONS
All Specifications Typical at Nominal Line, Full Load, and 25
℃
Unless Otherwise Noted
INPUT SPECIFICATIONS: GENERAL SPECIFICATIONS:
Input Voltage Range ....………………........……. 24VDC ................ 9 – 36VDC
Efficiency ...........................................………..………............ See Table
48VDC ……..... 18 – 75VDC
Isolation Voltage .................................……..………......... 1500 VDC min.
Input Surge Voltage (100ms max.) …….…... 24VDC …....... 50VDC max.
Isolation Resistance .....................…….…………………… 10
9
Ohm min.
48VDC ….... 100VDC max.
Isolation Capacitance …………………..……………….…… 1000pF typ.
Under Voltage Lockout ……….….. 24Vin power up ..…..….……. 8.8VDC typ.
Switching Frequency ............................……...................... 400KHz typ.
24Vin power down …..……. 8.0VDC typ.
EMI/RFI ……….………….…. Conductive EMI Meets EN55032
Class A
48Vin power up …….......….. 17VDC typ.
Case Grounding …………. Connect Case to -Vin with Decoupling Y Cap
48Vin power down ……....... 16VDC typ.
Operating Ambient Temperature Range
...…..…...……....
-
40
℃
to +85
℃
Input Filter ………………………………..………………………………. PI Type
De
-
rating, Above 78
℃
……………..…. Linearly to Zero Power at +105
℃
OUTPUT SPECIFICATIONS:
Case Temperature (note3) ………………………………………….. 105
℃
Voltage Accuracy ………………....……………….......…………… ±1.5% max.
Cooling ………………………………………………… Natural Convection
Voltage Balance (Dual) …….………………………………….….…. ±2.0% max.
Storage Temperature Range ...…............……....….......
-
55
℃
to +125
℃
Transient Response: 75% - 100% Step Load Change
Humidity ................................................. 95% RH max. Non-Condensing
Error Band ………..… ±5% Vout Nominal, Recovery Time ……... <250us
MTBF ….. MIL-HDBK-217F, GB 25C, Full Load …… 24(48)S33/05 … 940Khrs typ.
Ripple & Noise, 20MHz BW (Measured with 0.1uF MLCC)
Others ….. 1305Khrs typ.
Vo=3.3&5V …………………..………..……75mV pk-pk max.
Dimensions …................... 2.00x1.00 x0.40 inches (50.8x25.4x10.2 mm)
Vo=12V&15V&±12V&±15V ………….….. 100 mV pk-pk max.
Case Material ……… Black Coated Copper with Non-Conductive Base
Temperature Coefficient ….................….……………..……….. ±0.03%/C max.
Weight ………………………………………………………………….. 35g
Short Circuit Protection …................……………………..……….. Continuous
NOTE:
Line Regulation (note1) …………… Single ………………………. ±0.2% max.
1. Measured from high line to low line.
Dual ..….…….................…. ±0.5% max.
2. Measured from full load to min. load.
Load Regulation (note2) ……….…. Single ………………………. ±0.2% max.
3. Maximum case temperature under any operating condition should
Dual ..………...................…. ±1.0% max.
not be exceeded 105
℃
.
Cross Regulation (Dual Output) Load Cross Variation 10%/100% ……. ±5% max.
Typical Derating curve for Natural Convection
78
-40
73
105
0%
20%
40%
60%
80%
100%
120%
-40 -20 0 20 40 60 80 100 120
Ambient Temperature(oC)
LOAD(%)
OTHERS
XXD05
Over Voltage Protection ……………………….………… Zener or TVS Clamp
Current Limit ……………………………………. 110% - 170% Nominal Output
Output Short Circuit Protection …........................... Continuous (Hiccup Mode)
Start up Time ……………………………………………………………. 10ms typ.
OPTION:
1. Suffix ”T” to the model number with remote positive on/off control:
Logic Compatibility ….. CMOS or open collector TTL, referenced to –Vin
Module on ………………….…..……… >3.5VDC to 75VDC or open circuit
Module off ………………….……………….…….…………. 0 to <1.2VDC
2. Suffix “A” to the Model Number with Output Voltage Adjustable
Exte
rnal
Trim Adj. Range
≧
±10%, Single Output Only
SIZE B Dimensions:
BOTTOM
VIEW
1
2
5 4 3
PIN CONNECTION
Pin
1
2
3
4
5
+Input
-Input
+V Output
Common/NP/Trim(Option)
-V 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)
6
6
NP/Remote(Option)
NOTE: Pin Size is 0.04��0.004 Inch (1.0±0.1 mm)DIA
0.300
[7.62]
0.200
[5.08]
0.40
[10.2]
0.60
[15.2]
0.800
[20.32]
2.00
[50.8]
0.400
[10.16]
0.400
[10.16]
1.00
[25.4]
0.04
[1.0]
0.22
[5.6]
0.40
[10.2]
EXTERNAL OUTPUT TRIM
10K Ohms
+Vout
TRIM
-Vout
+Vout
TRIM
-Vout
TRIMPOT
TRIM UP
TRIM DOWN