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 …....…..……9V
12Vin power down ……...……. 8V
24Vin power up ….…….……. 17V
24Vin power down ……..…. 16V
48Vin power up …………..…. 34V
48Vin power down …….….. 32V
Input Filter ………………………………..……….……………………. PI 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 Ohms min.
Switching Frequency ............................……...................... 350KHz typ.
Operating Ambient Temperature Range...…..…...…….... -40
℃
to +85
℃
Derating, Above 71
℃
……………..…. Linearly to Zero Power at +105℃
Case Temperature (note 6) ………………………………………….. 105℃
Cooling ………………………………………………… Natural Convection
Storage Temperature Range ...…............……....…....... -55
℃
to +125
℃
Dimensions .............….. 1.00x1.00x0.4 inches (25.4x25.4x10.2mm)
Case Material ……..… Black Coated Copper with Non-Conductive Base
Weight…………………………………………………………………….18.4g
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℃.
OUTPUT SPECIFICATIONS:
Voltage Accuracy ………………....……………….......…………… ±1.5% max.
Transient Response: 25% Step Load Change ............….....……… <500u sec.
Ripple and Noise, 20MHz BW …………… Vo=3.3 & 5V …… 50mV p-p max.
Vo=12 & 15V …. 50mV p-p max.
Temperature Coefficient ....................….………...…..……….. ±0.03%/C max.
Short Circuit Protection ...................…....…………………..……….. Continuous
Line Regulation, Note1 ..………...……………………...…………. ±0.2% max.
Load Regulation, Note2 ………………….........………………….. ±0.2% max.
Over Voltage Protection ……………………….………… Zener or TVS Clamp
External Trim Adj. Range ………………………………….…..………….. ±10%
Current Limit ……………………………………. 110% - 140% Nominal Output
SIZE SB Dimensions:
Tolerances
Inches: X.XX= ±0.04 , X.XXX= ±0.010
Millimeters: X.X= ±1.0 , X.XX=±0.25
BOTTOM
VIEW
m.
in
PIN CONNECTION
Pin DIP Function
+Input
1
2
-Input
+V Output
3
Trim
4
-V Output
5
Remote
6
Typical Derating curve for Natural Convection
120%
-40
71
DIA
EXTERNAL OUTPUT TRIM
+Vout
+Vout
100%
LOAD(%)
80%
60%
40%
20%
105
TRIM DOWN
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
京公网安备 11010802033920号
EEWORLD
