鈥?/div>
20W Standard Package 鈥?Enable and Trim Pins
100擄C Case Operation 鈥?Wide Range Input
Voltage
3.3V Output Available
鈥?1500V Isolation
Integrated Heatsink
鈥?Short Circuit Protection
Efficiency vs. Load (24V Input)
TECHNICAL SPECIFICATIONS
Voltage Range
24 VDC Nominal
48 VDC Nominal
Input Undervoltage Lockout
UVLO Hysteresis
Reflected Ripple
Input Reverse Voltage Protection
Input
18 - 36 VDC
33 - 75 VDC
<33V or <18V
1V Nominal
50 mA
Shunt Diode
Output
85
80
EFFICIENCY %
75
MWS020YGY
70
EFF. (18v)
EFF. (24v)
65
EFF. (36v)
60
Setpoint Accuracy
Line regulation V
in
Min. - V
in
Max., I
out
Rated
Load Regulation I
out
Min. - I
out
Max., V
in
Nom.
Minimum Output Current
Dynamic Regulation, Loadstep
Pk Deviation
Settling Time
Voltage Trim Range
Short Circuit / Overcurrent Protection
Current Limit Threshold Range, % of I
out
Rated
General
Turn-On Time, Max.
Remote Shutdown
Switching Frequency
Isolation
Input - Output
Temperature Coefficient
Case Temperature
Operating Range
Storage Range
Humidity Max., Non-Condensing
Vibration, 3 Axes, 5 Min Each
MTBF鈥?(Bellcore TR-NWT-000332)
Safety
Weight (approx.)
REV. 09/01
鹵1.0%
0.2% V
out
0.5% V
out
5%
25% I
out
4% V
out
500
碌s
鹵10%
Shutdown / Hiccup
110 - 140%
90
85
EFFICIENCY %
10
20
30
40
50
60
70
80
90
100
LOAD %
Efficiency vs. Load (48V Input)
80
75
70
65
60
55
50
10
20
30
40
50
60
70
80
90
100
LOAD %
MWS020ZGY
EFF. (33v)
EFF. (48v)
EFF. (75v)
175 ms Max.
Positive Logic
450 kHz
1500 VDC
0.015%/擄C
-40 To +100擄C
-40 To +105擄C
95%
5 g, 10 - 55 Hz
1.9 x 106 hrs
UL, cUL, TUV
1.2 oz
Notes
鈥?MTBF predictions may vary slightly from model to model.
Specifications typically at 25擄C, normal line, and full load, unless
otherwise stated.
Soldering Conditions: I/O pins, 260擄C, ten seconds; fully compatible
with commercial wave-soldering equipment.
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