WPN20R データシートの表示（PDF） - C AND D TECHNOLOGIES
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WPN20R Datasheet PDF : 4 Pages
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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
0.425 + 0.00
(10.80 + 0.08)
0.150
(3.81)
PIN CONNECTIONS
Pin Function
Number Singles
Duals
1
+VIN
+VIN
2
-VIN
5
3
NO PIN
-VIN
NO PIN
4 Remote On/Off Remote On/Off
5
NO PIN
+VOUT
6
6
+VOUT
COMMON
7
-VOUT
-VOUT
8
TRIM
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
operating 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 brass with a solder plated surface to allow
ease of solderability.
SIMPLIFIED CIRCUIT DIAGRAM
THERMAL DERATING CURVE
100
80
60
40
20
0
-40
0
85
Ambient
Case
95
100 105
110
Temperature (C)
115 120 130
HYSTERESIS GRAPH
HYSTERESIS GRAPH
Undervoltage Lockout Threshold Voltages
Nominal Input Shutdown Low
Voltage Range Voltage (V1)
OFF
12
7
24
15.5
48
30
Shutdown High
Voltage (V2)
ON
8.8
17
33
Specifications typical at TA=25°C, rated output current.
WPN20R REV A 3/2000
Page 3
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