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WPN20R Datasheet, PDF (3/5 Pages) C&D Technologies – 20 WATT REGULATED DC/DC CONVERTER
PIN SIDE DOWN
WPN20Rxxyzz
1.990 + 0.005
(50.55 + 0.13)
MECHANICAL
SIDE VIEW
0.040 + 0.002
(1.02 + 0.05)
0.015 + 0.003
(0.38 + 0.08)
1
2
3
4
PIN SIDE UP
WPN20R
20 Watt Regulated DC/DC Converter
0.425 + 0.00
(10.80 + 0.08)
0.150
(3.81)
PIN CONNECTIONS
Pin Function
Number
Singles
Duals
1
+VIN
+VIN
5
2
-VIN
3
NO PIN
-VIN
NO PIN
4
Remote On/Off Remote On/Off
5
NO PIN
6
6
+VOUT
7
-VOUT
8
TRIM
+VOUT
COMMON
-VOUT
TRIM
7
NOTES:
All dimensions are in inches (millimeters).
GRID: 0.100 inches (2.54 millimeters)
8
Pin Placement: Tolerance: ±0.015
Marked with: specific model ordered, date code,
job code.
MATERIAL: Units are encapsulated in a low
thermal resistance molding compound which
has excellent chemical resistance, wide operat-
ing temperature range, and good electrical
properties under high humidity environments.
The encapsulant and outer shell of the unit have
UL94V-0 ratings. Lead material is phosphor
bronze; lead finish is matte Sn (100-300 micro-
inches) over Ni (5-40 microinches).
SIMPLIFIED CIRCUIT DIAGRAM
THERMAL DERATING CURVE
HYSTERESIS GRAPH
www.murata-ps.com
HYSTERESIS GRAPH
Undervoltage Lockout Threshold Voltages
Nominal Input Shutdown Low Shutdown High
Voltage Range Voltage (V1)
Voltage (V2)
OFF
ON
12
7
8.8
24
15.5
17
48
30
33
Specifications typical at TA=25°C, rated output current.
Technical enquiries - email: mk@murata-ps.com, tel: +44 (0)1908 615232
WPN20R.B01 Page 3 of 5