RDD08-03S1U Datasheet, PDF (3/4 Pages) Chinfa Electronics Ind. Co., Ltd. – DC - DC CONVERTER 6.6 ~ 8.1W SINGLE & DUAL OUTPUT

RDD08U SERIES
SINGLE & DUAL OUTPUT
SPECIFICATION
All Specifications Typical At Nominal Line, Full Load, 25^oC Unless Otherwise Noticed
GENERAL
Characteristics
Conditions
min. ^typ. max. unit
Switching frequency
Isolation voltage
Vi nom, Io nom
Input / Output
280
1,500
KHz
VDC
Isolation resistance
Ambient temperature
Case temperature
Derating
Storage temperature
Dimension
Input / Output, @ 500VDC
Operating at Vi nom, Io nom
Operating at Vi nom, Io nom
Vi nom
Non operational
L20.3 x W31.8 x H10.2
1G
-40
See derating curve
-40
+ 71
+100
+100
o_C
o_C
% / ^oC
o_C
mm
Cooling
Free air convection
Case material
Tinplate nickel plated
INPUT SPECIFICATIONS
Characteristics
Conditions
min. ^typ. max. unit
Input voltage range
Ta min ... Ta max, Io nom
9
12
18
VDC
18
4284
36
VDC
35
48
75
VDC
No load input current
Vi nom, Io = 0
12V models
30
mA
24V models
25
mA
48V models
20
mA
Input voltage w/o damage
Io nom
12V models
20
VDC
24V models
40
VDC
48V models
80
VDC
startup voltage
Io nom
12V models
8.7
VDC
24V models
17.4
VDC
Input filter
48V models
31.5
Pi type
VDC
OUTPUT SPECIFICATIONS
Characteristics
Conditions
min. ^typ. max. unit
Output voltage accuracy
Vi nom, Io nom
2
%
Minimum load
Vi nom single output models
0
%
dual output models (each output)
10
%
Line regulation
Io nom, Vi min ...Vi max
0.5
%
Load regulation
Vi nom, Io 0 ...Io nom, single output models
0.5
%
Vi nom, Io min ...Io nom, dual output models
1
%
Transient recovery time
Temperature coefficient
Vi nom, Io nom=1
Vi nom, Io nom
1/2 lo nom
1
ms
0.02 % / ^oC
Ripple & noise
Vi nom, Io nom, BW = 20MHz
50
mV
Efficiency
Vi nom, Io nom, Po / Pi
Up to 85%, See model list
Capacitive Load
Io nom
3.3Vout models
3300
F
5.0Vout models
2200
12.0Vout models
470
15.0Vout models
330
5Vout models
1000
www.chinfa.com
12Vout models
15Vout models
180 _[e-mail]
100
[e-mail]
2007.05.11