V17
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
Under voltage lockout ……….…. 12Vin power up: 8.8V ……. power down: 8V
24Vin power up: 17V ..... power down: 16V
48Vin power up: 34V …. power down: 32V
Input Surge Voltage (100mS max.) … EC3SB-12Sxx/12DXX …... 25Vdc max.
EC3SB-24Sxx/24DXX .…. 50Vdc max.
EC3SB-48Sxx/48DXX … 100Vdc max.
Input Filter ……………………………… Standard .……………………. PI Type
SMD …………………….… LC Type
Positive Logic Remote on/off Control:
Logic Compatibility …………………….. CMOS or Open Collector TTL
Module On ……………………………… >+5.5V to 75VDC or Open Circuit
Module Off ……………………………..…………….……………. <1.2VDC
GENERAL SPECIFICATIONS:
Efficiency ...........................................………..………............ See Table
Isolation Voltage .................................……..………......... 1500 VDC min.
9
Isolation Resistance .....................…….………….……… 10 ohm min.
Isolation Capacitance …………………..………………..…… 1000pF typ.
Switching Frequency ............................……...................... 350KHz typ.
Operating Ambient Temperature Range ...…..…...…….... -40
℃
to +85
℃
Derating, Above 71
℃
……………..…. Linearly to Zero Power at +105℃
Case Temperature (note 4) ………………………………………….. 105℃
Cooling ………………………………………………… Natural Convection
Storage Temperature Range ...…............……....…....... -55
℃
to +125
℃
Humidity ……………………………..…… 95% RH max. Non condensing
MTBF …… MIL-STD-217-F, GB, 25℃, Full Load …….… 1200Khrs typ.
Dimensions ...... DIP ......….. 1.00x1.00x0.4 inches (25.4x25.4x10.2 mm)
SMD … 1.00x1.00x0.36 inches (25.4 x 25.4 x 9.2 mm)
Case Material ……..… Black Coated Copper with Non-Conductive Base
Weight …………………………………………………………………. 18g
OUTPUT SPECIFICATIONS:
Voltage Accuracy ………………....……………….......…………… ±1.5% max.
Voltage Balance (Dual) …….…………………………………….….
±2.0%
max.
Transient Response: 25% Step Load Change ............…............…… <500us
Ripple and Noise, 20MHz BW (note 3) ………………..…… 50mV pk-pk max.
SMD ……………….....…... 120mV pk-pk max.
Temperature Coefficient ....................….………...………...……….. ±0.03%/℃
Short Circuit Protection ...................…....…………………..……….. Continuous
Line Regulation (note 1) ..…... Single ….. DIP±0.2% max., SMD±0.3% max.
Dual ….………………………..… ±0.5% max.
Load Regulation (note 2)…...... Single …... DIP±0.2% max., SMD±0.5% max.
Dual …….................................... ±1.0% max.
Cross Regulation (Dual output) Load cross variation 10%/100% …. ±5% max.
Over Voltage Protection ……………………….………… Zener or TVS Clamp
External Trim Adj. Range ………………………………….…..………….. ±10%
Current Limit ……………………………………. 110% - 140% Nominal Output
Start up time ………………………………..…………………..……… 20ms max.
NOTE:
1. Measured from high line to low line.
2. Measured from full load to min. load.
3. The output ripple and noise is measured with 10uF tantalum and 1uF
ceramic capacitor across output.
4. Maximum case temperature under any operating condition should
not be exceeded 105℃.
5. Suffix ”S” to the model number with SMD packages.
SIZE SB 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= ±0.02 , X.XXX= ±0.010
Millimeters: X.X= ±0.5 , X.XX=±0.25
THROUGH-HOLE PACKAGE
SMD- PACKAGE
1.22
[30.99]
0.10
[2.5]
0.300 0.200
[7.62] [5.08]
0.40
[10.2]
0.100
[2.54]
6
2
1
5
0.20
[5.1]
6
0.800
[20.32]
1.00
[25.4]
2
1
0.04
[1.0]
BOTTOM
VIEW
5
0.400
[10.16]
TOP
VIEW
2-0.400
[10.16]
Pin
0.800
[20.32]
1.00
[25.4]
4
0.40
[10.2]
4
0.400
[10.16]
3
1.00
[25.4]
0.22
min.
[5.6]
0.40
[10.2]
3
0.10
[2.54]
0.110
[2.79]
1.00
[25.4]
0.36
[9.2]
1
2
3
4
5
6
0.020
[0.51]
PIN CONNECTION
Function
Single
Dual
+Input
+Input
-Input
-Input
+V Output
+V Output
Trim
Common
-V Output
-V Output
Remote
Remote
Typical Derating curve for Natural Convection
120%
-40
71
0.015
[0.38]
0.055
[1.40]
EXTERNAL OUTPUT TRIM
+Vout
TRIM DOWN
100%
LOAD(%)
80%
60%
40%
20%
105
+Vout
Natural Convection
TRIM
TRIM UP
TRIM
10K Ohms
TRIMPOT
0%
-40
-20
0
20
40
60
o
Ambient Temperature( C)
80
100
-Vout
-Vout
2
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