WDD20-03SXU(2010) データシートの表示（PDF） - CHINFA ELECTRONICS
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WDD20-03SXU Datasheet PDF : 8 Pages
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WDD20U SERIES
SINGLE & DUAL OUTPUT
SPECIFICATION
All Specifications Typical At Nominal Line, Full Load, 25oC Unless Otherwise Noticed
GENERAL
Characteristics
Switching frequency
Isolation voltage
Isolation resistance
Isolation capacitance
Ambient temperature
Case temperature
Derating
Storage temperature
Relative humidity
Temperature coefficient
Dimension
MTBF
Cooling
Conditions
Vi nom, Io nom
Input - Output
Input - Output, @ 500VDC
100KHz / 1V
Vi nom,
Io nom
3.3V & 5V output models
12V, 15V & dual output models
Operating at Vi nom, Io nom
Vi nom
Non operational
Vi nom, Io nom
Vi nom, Io min
Be1lcore issue 6@40oC, GB
Free air convection
min. typ. max.
250
1500
100
1000
-40
+ 61
-40
+ 71
+100
See derating curve
-40
+100
20
95
± 0.02
L50.8 x W40.64 x H10.16
958000
unit
KHz
VDC
MΩ
PF
oC
oC
oC
oC
% RH
% / oC
mm
Hours
INPUT SPECIFICATIONS
Characteristics
Conditions
Input voltage range
Ta min ...Ta max, Io nom
No load input current
Input voltage w/o damage
Startup voltage
Input filter
Vi nom, Io=0
Io nom
Io nom
Pi type
12V models
24V models
48V models
12V models
24V models
48V models
12V models
24V models
48V models
min.
9
18
35
typ.
12
24
48
8.5
16
33
max.
18
36
75
25
20
15
20
40
80
unit
VDC
VDC
VDC
mA
mA
mA
VDC
VDC
VDC
VDC
VDC
VDC
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 models
12V, 15V & dual
Vi nom
3.3V model
5V, 12V, 15V & dual
Vi nom, Io nom, Po / Pi
NOTE 1 : Pls refer to Fig 1 & Table 1 for connection and resistance recommended.
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
www.chinfa.com
2010.05.21
sales@chinfa.com
P2
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