Datasheet

DataSheet
40W, Dual Output
VER:00 Page 2 of 22 Issued Date：2009/03/02
Absolute Maximum Rating
Parameter Model Min Max Unit
Input Voltage
Continuous
Transient (100ms)
24WDxx
48WDxx
24WDxx
48WDxx
36
75
50
100
V
DC
OperatingAmbient Temperature (with derating) All -40 105 °C
Operating CaseTemperature All 105 °C
StorageTemperature All -55 125 °C
Output Specification
Parameter Model Min Typ Max Unit
Output Voltage
(Vin = Vin(nom); Full Load ; T
A
=25°C)
xxWD12
xxWD15
11.88
14.85
12
15
12.12
15.15
V
DC
Output Regulation
Line(Vin(min) to Vin(max) atFull Load)
Load(Min. to 100% of Full Load)
All -0.2
-1.0
+0.2
+1.0
%
Cross Regulation
Asymmetrical Load 25% / 100%of Full Load
All -5.0 +5.0 %
Output Ripple & Noise
Peak-to-Peak (20MHz bandwidth)
xxWD12
xxWD15
120
150
mVp-p
Temperature Coefficient All -0.02 +0.02 %/°C
Output Voltage Overshoot
(Vin(min) to Vin(max); Full Load; T
A
=25°C)
All 3 % V
OUT
Dynamic Load Response
(Vin = Vin(nom); T
A
=25°C)
Load step change from
75% to 100% or 100 to 75% of Full Load
Peak Deviation
Setting Time (V
OUT
＜10% peak deviation)
All
All
200
250
mV
μS
Output Current xxWD12
xxWD15
±65
±50
±1667
±1333
mA
Output OverVoltage Protection
(Zener diode clamp)
xxWD12
xxWD15
15
18
V
DC
Output OverCurrent Protection All 150 % FL.
Output Short Circuit Protection All Hiccup, automatic recovery