RDD08U SERIES
SINGLE & DUAL OUTPUT
SPECIFICATION
All Specifications Typical At Nominal Line, Full Load, 25 C Unless Otherwise Noticed
o
GENERAL
Characteristics
Switching frequency
Isolation voltage
Isolation resistance
Ambient temperature
Case temperature
Derating
Storage temperature
Dimension
Cooling
Case material
Conditions
Vi nom, Io nom
Input / Output
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
Free air convection
Tinplate nickel plated
min.
1,500
1G
-40
typ.
280
max.
unit
KHz
VDC
+ 71
+100
o
o
o
C
C
See derating curve
-40
+100
%/ C
C
mm
o
INPUT SPECIFICATIONS
Characteristics
Input voltage range
Conditions
Ta min ... T max, Io nom
a
min.
9
18
35
typ.
12
48
24
48
30
25
20
max.
18
36
75
unit
VDC
VDC
VDC
mA
mA
mA
No load input current
Vi nom, Io = 0
12V models
24V models
48V models
Input voltage w/o damage
Io nom
12V models
24V models
48V models
20
40
80
8.7
17.4
31.5
VDC
VDC
VDC
VDC
VDC
VDC
startup voltage
Io nom
12V models
24V models
48V models
Input filter
Pi type
OUTPUT SPECIFICATIONS
Characteristics
Output voltage accuracy
Minimum load
Line regulation
Load regulation
Transient recovery time
Temperature coefficient
Ripple & noise
Efficiency
Capacitive Load
Vi nom
Conditions
Vi nom, Io nom
single output models
dual output models (each output)
min.
0
10
typ.
max.
2
unit
%
%
%
Io nom, Vi min ...Vi max
Vi nom, Io 0 ...Io nom, single output models
Vi nom, Io min ...Io nom, dual output models
0.5
0.5
%
%
%
ms
% /
o
C
mV
F
1
1
0.02
50
Up to 85%, See model list
3300
2200
470
330
1000
Vi nom, Io nom=1
Vi nom, Io nom
1/2 lo nom
Vi nom, Io nom, BW = 20MHz
Vi nom, Io nom, Po / Pi
Io nom
3.3Vout models
5.0Vout models
12.0Vout models
15.0Vout models
5Vout models
12Vout models
15Vout models
180 sales@chinfa.com
100
sales@chinfa.com
www.chinfa.com
2007.05.11
RDD08U SERIES
SINGLE & DUAL OUTPUT
CONTROL AND PROTECTION
Input reversed
Output short circuit
Rated over load protection
Remote on/off control
Shunt diode built in, external fuse recommended
Continuous
110%min....140%max
ON : 3....10Vdc or open circuit
UL60950-1
EN60950-1
EN61204-3(Class A for EMI)
OFF: 0....1.5Vdc or short circuit pin1 and pin2,3
APPROVALS AND STANDARD
UL/cUL
TUV
CE
MECHANISM & PIN CONFIGURATION
mm [inch]
31.75 [1.25]
20.32 [0.80]
12 3
9
11
15.24 [0.60]
10.2 [0.4]
DIA 0.50 [0.02]
5.08 [0.20]
23 22
16
14
2.54 [0.10]
BOTTOM VIEW
PHYSICAL CHARACTERISTICS
CASE SIZE
CASE MATERIAL
WEIGHT
20.3 x 31.8 x 10.2 mm 0.8 x 1.25 x 0.4 inches
Tinplate nickel plated
16 g
PIN ASSIGNMENT
GENERAL
PIN NO.
SINGLE
DUAL
1
Remote On/Off
Remote On/Off
2&3
Vi -
Vi -
9
N. C.
com
11
N. C.
Vo -
14
Vo+
Vo+
16
Vo -
com
22 & 23
Vi+
Vi+
DERATING
100
Power out [ % ]
NATURAL
CONVECTION
COOLING
0
-40
o
71
100
Ambient Temperature [ C ]
www.chinfa.com
2007.05.11
sales@chinfa.com
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