V15
︳
FEATURES
EC7BW SERIES
20 WATT 4:1 INPUT
DC-DC CONVERTERS
* 20W Isolated Output
* 2”x1”x0.4” Shielded Metal Case
* Efficiency to 90%
* Fixed Switching Frequency
* 4:1 Wide Input Range
* Regulated Outputs
* Continuous Short Circuit Protection
* Pi Input Filter
* CE Mark Meets 2004/108/EC
* Safety Meets UL60950-1, EN60950-1, and IEC60950-1
MODEL
NUMBER
EC7BW-24S33
EC7BW-24S05
EC7BW-24S12
EC7BW-24S15
EC7BW-24D05
EC7BW-24D12
EC7BW-24D15
EC7BW-48S33
EC7BW-48S05
EC7BW-48S12
EC7BW-48S15
EC7BW-48D05
EC7BW-48D12
EC7BW-48D15
INPUT
VOLTAGE
9-36 VDC
9-36 VDC
9-36 VDC
9-36 VDC
9-36 VDC
9-36 VDC
9-36 VDC
18-75 VDC
18-75 VDC
18-75 VDC
18-75 VDC
18-75 VDC
18-75 VDC
18-75 VDC
OUTPUT
VOLTAGE
3.3 VDC
5 VDC
12 VDC
15 VDC
± 5 VDC
± 12 VDC
± 15 VDC
3.3 VDC
5 VDC
12 VDC
15 VDC
± 5 VDC
± 12 VDC
± 15 VDC
OUTPUT CURRENT
MIN.
0 mA
0 mA
0 mA
0 mA
0 mA
0 mA
0 mA
0 mA
0 mA
0 mA
0 mA
0 mA
0 mA
0 mA
MAX.
5500 mA
4000 mA
1670 mA
1330 mA
±2000 mA
±835 mA
±666 mA
5500 mA
4000 mA
1670 mA
1330 mA
±2000 mA
±835 mA
±666 mA
INPUT CURRENT
NO LOAD
55 mA
55 mA
55 mA
55 mA
70 mA
35 mA
35 mA
25 mA
25 mA
25 mA
25 mA
35 mA
25 mA
25 mA
FULL LOAD
869 mA
926 mA
928 mA
924 mA
937 mA
947 mA
947 mA
430 mA
463 mA
464 mA
462 mA
468 mA
474 mA
474 mA
% CAPACITOR
EFF. LOAD MAX.
87
90
90
90
89
88
88
88
90
90
90
89
88
88
5500uF
4000uF
1800uF
1500uF
2000uF
1000uF
800uF
5500uF
4000uF
1800uF
1500uF
2000uF
1000uF
800uF
NOTE: 1. Nominal Input Voltage 24, 48VDC
1
V15
SPECIFICATIONS
All Specifications Typical At Nominal Line, Full Load, and 25
℃
Unless Otherwise Noted
INPUT SPECIFICATIONS:
Input Voltage Range ....……………............... 24V ….......................... 9-36V
48V ........................ 18-75V
Input Surge Voltage (100ms max.) ……..….… 24V …................... 50Vdc max.
48V ............... 100Vdc max.
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.
Positive Logic Remote On/Off (note3&4)
Input Filter ………………………………………………..….……... PI Type
GENERAL SPECIFICATIONS:
Efficiency .................................................................…..……... See Table
Isolation Voltage ...............….. Input/Output ...……..……. 1500VDC max.
8
Isolation Resistance .........................…...............…….….. 10 ohm min.
Isolation Capacitance …………………..………………..…… 1000pF typ.
Switching Frequency …….. Single .........................…....... 350KHz typ.
Dual ...............................…… 400KHz typ.
EMI/RFI ………………………….………….. Six Sided Continuous Shield
Operating Ambient Temperature …………………...…... -40℃ to +85℃
De-rating, Above 71℃ ………………… Linearly to Zero power at 105℃
Case Temperature (note6) ……….…………….…………….. 105
℃
max.
Storage Temperature ………………....…….....……........ -55℃ to +125℃
Humidity .................................................. 95% RH max. Non condensing
MTBF ……… MIL-STD-217F, GB, 25℃, Full Load ……… 720Khrs typ.
Dimensions ……………….. 2.00x1.00x0.40 inches (50.8x25.4x10.2 mm)
Case Material ……… Black Coated Copper with Non-Conductive Base
Weight …………………………………………………………………... 35g
OUTPUT SPECIFICATIONS:
Voltage Accuracy ....................................................………........…
±1.5%
max.
Voltage Balance (Dual Output) ………………………………….….
±1.0%
max.
Transient Response: 75% - 100% Step Load Change
Error Band ……………..
±5%
Vout Nominal, Recovery Time ….. <500us
Ripple & Noise, 20MHz BW (Measured with 0.1uF MLCC) ……….. ..75mV pk-pk, max.
Temperature Coefficient .…………………………………………….
±0.03%/°C
Line Regulation (note1) …….. Single .……..……………................
±0.2%
max.
Dual .…….…………......................
±0.5%
max.
Load Regulation (note2) …….………………………….........…......
±1.0%
max.
Cross Regulation (Dual output) Load cross variation 25%/100% ..
±5.0%
max.
Over Voltage Protection ……………………….…..…….. Zener or TVS Clamp
Output Short Circuit Protection .............................................….…. Continuous
External Trim Adj. Range (Single Output Models only) ….…….…..……±10%
Start up time …………………………………….……….…………..…... 5ms typ.
NOTE :
1. Measured from high line to low line.
2. Measured from full load to zero load.
3. Logic compatibility …. CMOS or open collector TTL, ref. to -Vin
Module on ………..………… >5.5VDC to 75VDC or open circuit
Module off …………………………………..……………. <1.2VDC
4. Suffix "N" to the model number with negative logic remote on/off
Module on ……………………………………….……... <1.2VDC
Module off ……….………….. >5.5VD to 75VDC or open circuit
5. Suffix “S” to the model number with alternative pin configuration,
single output models only.
6. Maximum case temperature under any operating condition should
not be exceeded 105℃
Case B Dimensions:
NOTE: Pin Size is 0.04±0.004 Inch (1.0±0.1 mm)DIA
All Dimensions In Inches (mm)
Tolerances Inches: X.XX= ±0.04 , X.XXX= ±0.010
Millimeters: X.X= ±1.0 , X.XX= ±0.25
STANDARD PIN
CONFIGURATION
0.10
[2.5]
0.300 0.200
[7.62] [5.08]
0.40
[10.2]
SUFFIX"S"PIN
CONFIGURATION
0.400
[10.16]
0.400
[10.16]
0.10
[2.5]
0.60
[15.2]
3
5
4
6
2.00
[50.8]
0.800
[20.32]
2
1
2.00
[50.8]
1.800
[45.72]
Pin
BOTTOM VIEW
1
2
3
4
5
6
6
BOTTOM
VIEW
5
4
3
PIN CONNECTION
Single
Dual
+V Input
+V Input
-V Input
-V Input
+V Output +V Output
Common
Trim
-V Output -V Output
Remote ON/OFF
0.04
[1.0]
1
2
0.40
[10.2]
0.22
[5.6]
0.04
[1.0]
0.400
[10.16]
0.400
[10.16]
0.200
[5.08]
0.600
[15.24]
1.00
[25.4]
0.20
[5.1]
1.00
[25.4]
0.40
[10.2]
0.22
min
[5.6]
min
EXTERNAL OUTPUT TRIM
+Vout
TRIM DOWN
Typical Derating curve for Natural
Convection
120%
100%
LOAD(%)
80%
60%
40%
20%
0%
-40
105
-40
71
+Vout
TRIM
TRIM UP
TRIM
10K Ohms
TRIMPOT
Natural
Convection
-Vout
-Vout
-20
0
20 40 60 80
Ambient Temperature(
o
C)
100
2
