V29
SPECIFICATIONS
All Specifications Typical At Nominal Line, Full Load, and 25
℃
Unless Otherwise Noted
INPUT 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.
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
GENERAL SPECIFICATIONS:
Efficiency .................................................................…..……... See Table
Isolation Voltage ............….. Input/Output .........……..…. 1500VDC max.
8
Isolation Resistance ............................…...............……. 10 ohm min.
Isolation Capacitance …………………..……………….…… 1000pF typ.
Switching Frequency .........................…….........………...... 350KHz typ.
EMI/RFI ……………………….……..…….. Six Sided Continuous Shield
Operating Ambient Temperature ………………..…... -40
℃
to +85
℃
De-rating, Above 71
℃
………………… Linearly to Zero power at 100
℃
Case Temperature (note6) ………………….……………….. 100
℃
max.
Cooling ………………………………………………… Natural Convection
Storage Temperature ………………....….......……........ -55
℃
to +125
℃
Humidity .................................................. 95% RH max. Non condensing
MTBF …. MIL-STD-217F, GB, 25℃, Full Load …. Single … 900Khrs typ.
Dual ….. 740Khrs 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) ……….………………………………….….±2.0% 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) ……... 75mVpk-pk, max.
Temperature Coefficient .…………………………………………….
±0.03%/°C
Line Regulation (note1) .…….……… Single. .......................….
±0.2%
max.
Dual ………….….………..
±0.5%
max.
Load Regulation (note2) …….……… Single/Dual …........…......
±1.0%
max.
Over Voltage Protection ……………………….………….. Zener or TVS Clamp
Output Short Circuit Protection .............................................….…. Continuous
External Trim Adj. Range ……….…… Single …………..……….…..…… ±10%
Start up time ……………………….… EC7B-24S12/15 ……...…... 13ms typ.
EC7B-48S12/15 …….….….. 22ms typ.
Other ……………….……...…. 5ms typ.
NOTE :
1. Measured from high line to low line.
2. Measured from full load to 10% load.
3. Logic compatibility …. CMOS or open collector TTL, ref. to -Vin
Module on …………..………………..… >5.5VDC 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 …………………………….. >5.5VDC 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 100
℃
.
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= ±.04 , X.XXX= ±.010
Millimeters: X.X= ±1.0 , X.XX= ±0.25
STANDARD PIN
CONFIGURATION
0.300 0.200
[7.62] [5.08]
0.40
[10.2]
SUFFIX"S"PIN
CONFIGURATION
1.00
[25.4]
0.10
[2.5]
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]
BOTTOM
VIEW
5
4
3
BOTTOM VIEW
1
2
6
PIN CONNECTION
Pin
Single
Dual
1
+V Input
+V Input
-V Input
-V Input
2
3
+V Output
+V Output
Common
Trim
4
-V Output
-V Output
5
6
Remote ON/OFF
0.04
1.0]
0.40
[10.2]
0.22
[5.6]
min
0.04
[1.0]
0.400
[10.16]
0.400
[10.16]
0.40
[10.2]
0.22
min
[5.6]
0.200
[5.08]
0.600
[15.24]
0.20
[5.1]
1.00
[25.4]
EXTERNAL OUTPUT TRIM
+Vout
TRIM DOWN
Typical Derating curve for Natural Convection
120%
100%
LOAD(%)
80%
60%
40%
20%
0%
-40
-20
0
20
40
60
Ambient Temperature(
o
C)
80
Natural
Convection
100
100
-40
71
+Vout
TRIM
TRIM UP
TRIM
10K Ohms
TRIMPOT
-Vout
-Vout
2
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