WDD20-03S1U データシートの表示（PDF） - CHINFA ELECTRONICS
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WDD20-03S1U Datasheet PDF : 5 Pages
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WDD20U SERIES
SINGLE & DUAL OUTPUT
SPECIFICATION
All Specifications Typical At Nominal Line, Full Load, 25oC Unless Otherwise Noticed
OUTPUT SPECIFICATIONS
Characteristics
Output voltage accuracy
Minimum load
Line regulation
Load regulation
Cross regulation (Dual model)
Startup time
Transient recovery time
Ripple & noise
Voltage trim range 1)
Efficiency
Conditions
Vi nom, Io nom
Vi nom
single output models
dual output models (each output)
Io nom, Vi min ...Vi max
Vi nom, Io 0 ... Io nom, single output models
Vi nom, Io min ... Io nom, dual output models
Aymmetrical load 10% - 100% FL
Vi nom, Io nom
Vi nom, 1~0.5 Io nom
Vi nom, Io nom,
BW = 20MHz
3.3V & 5V
12V, 15V & dual
Vi nom
3.3V
5V, 12V, 15V & dual
Vi nom, Io nom, Po / Pi
min. typ. max. unit
±2
%
0
%
10
%
±1
%
±2
%
±5
%
±5
%
30
ms
500
μs
100
mV
150
mV
±5
%
±10
%
Up to 89%, See model list and efficiency curve
NOTE 1 : Pls refer to Fig 1 & Table 1 for connection and resistance recommended.
CONTROL AND PROTECTION
Remote ON / OFF
ON : opened or 8 ~ 10VDC applied, reference to input GND
OFF : -0.3 ~ 2VDC applied, reference to input GND
Input reversed
Shunt diode built in, external fuse recommended
2:1 models (12Vin : 3A, 24Vin : 1.5A, 48Vin : 1A) 4:1 models (24Vin : 3A, 48Vin : 1.5A)
Output short circuit
Current limited (Auto-recovery)
Rated over load protection
110%min....140%max
APPROVALS AND STANDARD
UL/cUL
UL 60950-1 Recognized
TUV
EN 60950-1
CE
EN 61204-3, EN 55022, Class A, EN 61000-4-2, EN61000-4-3, EN61000-4-4, EN61000-4-6
Vibration
meet IEC 60068-2-6 (10-500 Hz, 2G, along X, Y, Z each Axis, 60 min for each Axis)
PHYSICAL CHARACTERISTICS
Case size
Case material
Weight
50.8 x 40.64 x 10.16 mm (2 x 1.6 x 0.4 inches)
Plastic base / Metal case
60 g
Potting material
Silicone
MECHANISM & PIN CONFIGURATION
mm [inch]
2.54 [0.10]
10.16 [0.4]
6.00 [0.24]
17.78 [0.70]
DIA 1.00 [0.04]
5.08 [0.20]
10.16 [0.40]
GENERAL TOLERANCE
0.00[0.00] - 30.00[1.18]
±0.30[0.01]
30.00[1.18] - 120.00[4.72]
±0.50[0.02]
45.72 [1.80]
5
6
1
2
7
4
8
50.80 [2.00]
BOTTOM VIEW
5.08 [0.20]
10.16 [0.40]
10.16 [0.40]
10.16 [0.40]
PIN ASSIGNMENT
GENERAL
PIN NO.
1
2
4
5
6
SINGLE
Vi+
Vi -
ON / OFF
NO PIN
Vo +
DUAL
Vi+
Vi -
ON / OFF
Vo +
com
www.chinfa.com
2016.05.19
7
8
Vo -
Trim
Vo -
Trim
sales@chinfa.com
P3
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