CHINFA RDD08

RDD08U SERIES
DC - DC CONVERTER
6.6 ~ 8.1W SINGLE & DUAL OUTPUT
FEATURES
‧EFFICIENCY UP TO 85%
‧2:1 WIDE INPUT RANGE
‧I/O ISOLATION
‧INPUT Pi FILTER
‧SHORT CIRCUIT PROTECTION
‧HIGH PERFORMANCE
‧UL/cUL/TUV/CE
‧2 YEARS WARRANTY
R
H a
UL 60950-1
EN 60950-1
MODEL LIST
MODEL NO.
INPUT
VOLTAGE
INPUT
EFF.
EFF. CAPACITOR
OUTPUT OUTPUT OUTPUT
LOAD
CURRENT
WATTAGE VOLTAGE CURRENT (min.) (typ.) (max.)
(typ.) (max.)
Single Output Models
RDD08 - 03S1U
9~18 VDC
0.69A
0.97A
6.6 WATTS
+3.3 VDC
2000 mA
78%
80%
3300μF
RDD08 - 05S1U
9~18 VDC
0.77A
1.07A
7.5 WATTS
+ 5 VDC
1500 mA
80%
82%
2200μF
RDD08 - 12S1U
9~18 VDC
0.79A
1.11A
8 WATTS
+ 12 VDC
670 mA
83%
85%
470μF
RDD08 - 15S1U
9~18 VDC
0.80A
1.11A
8.1 WATTS
+ 15 VDC
540 mA
83%
85%
330μF
RDD08 - 03S2U
18~36 VDC
0.35A
0.48A
6.6 WATTS
+3.3 VDC
2000 mA
78%
80%
3300μF
RDD08 - 05S2U
18~36 VDC
0.38A
0.53A
7.5 WATTS
+ 5 VDC
1500 mA
81%
83%
2200μF
RDD08 - 12S2U
18~36 VDC
0.40A
0.55A
8 WATTS
+ 12 VDC
670 mA
83%
85%
470μF
RDD08 - 15S2U
18~36 VDC
0.40A
0.55A
8.1 WATTS
+ 15 VDC
540 mA
83%
85%
330μF
RDD08 - 03S3U
35~75 VDC
0.17A
0.25A
6.6 WATTS
+3.3 VDC
2000 mA
78%
80%
3300μF
RDD08 - 05S3U
35~75 VDC
0.19A
0.27A
7.5 WATTS
+ 5 VDC
1500 mA
81%
83%
2200μF
RDD08 - 12S3U
35~75 VDC
0.20A
0.28A
8 WATTS
+ 12 VDC
670 mA
83%
85%
470μF
RDD08 - 15S3U
35~75 VDC
0.20A
0.28A
8.1 WATTS
+ 15 VDC
540 mA
83%
85%
330μF
Dual Output Models
RDD08 - 05D1U
9~18 VDC
0.82A
1.14A
8 WATTS
± 5 VDC
± 800 mA
80%
82%
± 1000μF
RDD08 - 12D1U
9~18 VDC
0.81A
1.12A
8.1 WATTS
± 12 VDC
± 340 mA
83%
85%
± 180μF
RDD08 - 15D1U
9~18 VDC
0.81A
1.12A
8.1 WATTS
± 15 VDC
± 270 mA
83%
85%
± 100μF
RDD08 - 05D2U
18~36 VDC
0.41A
0.56A
8 WATTS
± 5 VDC
± 800 mA
81%
83%
± 1000μF
RDD08 - 12D2U
18~36 VDC
0.40A
0.56A
8.1 WATTS
± 12 VDC
± 340 mA
83%
85%
± 180μF
RDD08 - 15D2U
18~36 VDC
0.40A
0.56A
8.1 WATTS
± 15 VDC
± 270 mA
83%
85%
± 100μF
RDD08 - 05D3U
35~75 VDC
0.20A
0.29A
8 WATTS
± 5 VDC
± 800 mA
81%
83%
± 1000μF
RDD08 - 12D3U
35~75 VDC
0.20A
0.29A
8.1 WATTS
± 12 VDC
± 340 mA
83%
85%
± 180μF
RDD08 - 15D3U
35~75 VDC
0.20A
0.29A
8.1 WATTS
± 15 VDC
± 270 mA
83%
85%
± 100μF
www.chinfa.com
2010.02.09
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P1
RDD08U SERIES
SINGLE & DUAL OUTPUT
SPECIFICATION
o
All Specifications Typical At Nominal Line, Full Load, 25 C Unless Otherwise Noticed
GENERAL
Characteristics
Conditions
Switching frequency
Vi nom, Io nom
Isolation voltage
Input / Output
Isolation resistance
Input / Output, @ 500VDC
Isolation capacitance
100KHz / 1V
Ambient temperature
Operating at Vi nom, Io nom
Case temperature
Operating at Vi nom, Io nom
Derating
Vi nom
Storage temperature
Non operational
Relative humidity
Vi nom, Io nom
Temperature coefficient
Vi nom, Io min
min.
typ.
unit
max.
280
KHz
1500
VDC
100
MΩ
1000
PF
+ 71
o
+ 100
o
-40
+100
o
20
95
% RH
± 0.02
% / oC
-40
C
C
See derating curve
Dimension
C
mm
L31.8 x W20.3 x H10.2
o
MTBF
Bellcore issue [email protected] C, GB
Cooling
Free air convection
Hours
1309000
INPUT SPECIFICATIONS
Characteristics
Input voltage range
No load input current
Input voltage w/o damage
Startup voltage
Input filter
Conditions
Ta min ... Ta max, Io nom
Vi nom, Io = 0
Io nom
Io nom
min.
typ.
max.
unit
9
12
18
VDC
18
24
36
VDC
36
48
75
VDC
30
mA
24V models
25
mA
48V models
20
mA
12V models
20
VDC
24V models
40
VDC
48V models
80
VDC
12V models
12V models
8.7
VDC
24V models
17.4
VDC
48V models
31.5
VDC
Pi type
OUTPUT SPECIFICATIONS
Characteristics
Output voltage accuracy
Minimum load
Conditions
min.
Vi nom, Io nom
Vi nom
single output models
dual output models (each output)
typ.
max.
unit
± 2
%
0
%
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
%
Cross regulation (Dual modle)
Aymmetrical load 10% - 100% FL
± 5
%
Startup time
Vi nom, Io nom
700
ms
Transient recovery time
Vi nom, 1~0.5 Io nom
1
ms
Ripple & noise
Vi nom, Io nom, BW = 20MHz
50
mV
Efficiency
www.chinfa.com
2010.02.09
Vi nom, Io nom, Po / Pi
Up to 85%, See model list and efficiency curve
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P2
RDD08U SERIES
SINGLE & DUAL OUTPUT
SPECIFICATION
o
All Specifications Typical At Nominal Line, Full Load, 25 C Unless Otherwise Noticed
CONTROL AND PROTECTION
Input reversed
Shunt diode built in, external fuse recommended 1A
Output short circuit
Current limited (Auto-recovery)
Rated over load protection
110%min....140%max
ON : 3....10Vdc or open circuit
Remote on/off control
OFF: 0....1.5Vdc or short circuit pin1 and pin2,3
APPROVALS AND STANDARD
UL/cUL
UL 60950-1 Recognized
TUV
EN 60950-1, CB scheme
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
31.8 x 20.3 x 10.2 mm (1.25 x 0.8 x 0.4 inches)
Case material
Plastic base / Metal case
Weight
18 g
Patting material
Silicone
MECHANISM & PIN CONFIGURATION
mm [inch]
31.80 [1.25]
12 3
10.2 [0.40]
9
11
16
14
15.24 [0.60]
20.30 [0.80]
23 22
6.00 [0.24]
2.54 [0.10]
DIA 0.50 [0.02]
BOTTOM VIEW
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]
PIN ASSIGNMENT
GENERAL
PIN NO.
1
2&3
9
11
14
16
22 & 23
SINGLE
Remote On/Off
Vi -
N. C.
N. C.
Vo+
Vo -
Vi+
DUAL
Remote On/Off
Vi -
com
Vo -
Vo+
com
Vi+
CIRCUIT SCHEMATIC
‧Block diagram for RDD08U series with dual output
‧Block diagram for RDD08U series with single output
Vi +
Vo +
Rectifier
Vi +
Switching
Device
Switching
Device
Vo -
Vi -
PWM
Controller
ON/OFF
www.chinfa.com
2010.02.09
Vo +
Rectifier
Opto Isolation
Rectifier
Vi -
PWM
Controller
Reference &
Error Amp.
com
Opto Isolation
Vo -
Reference &
Error Amp.
ON/OFF
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P3
P1
RDD08U SERIES
SINGLE & DUAL OUTPUT
RECOMMENDED CIRCUIT
‧The commponents used in the above figure, together with the
manufacturer part numbers for these components, are as follows.
‧Recommended filter for EN55022 Class B compliance.
L1
C5
Vi +
C1
Vin +
C1
C3 / C4
C5
L1
Vo +
RDD08XXX1U
2.2 μF / 50V 4.7 μF / 50V
MLCC
MLCC
1nF/2KV
MLCC
1nF/2KV
MLCC
Vo -
RDD08XXX2U
2.2 μF / 50V 4.7 μF / 50V
MLCC
MLCC
1nF/2KV
MLCC
1nF/2KV
MLCC
RDD08XXX3U
2.2 μF / 100V 2.2 μF / 100V
MLCC
MLCC
1nF/2KV
MLCC
1nF/2KV
MLCC
1.5mH
Common
Choke
1.5mH
Common
Choke
1.5mH
Common
Choke
RDD08U
C2
Vin -
Vi C3 / C4
C2
‧Recommended EN 55022 Class B filter circuit layout.
U
DERATING AND EFFICIENCY CURVE
Temperature derating curve
Power out [ % ]
100
NATURAL
CONVECTION
COOLING
0
-40
71
100
Ambient Temperature [ oC ]
Efficiency Vs Input Voltage
RDD08-05S2U
84
Efficiency Vs Output Load
RDD08-05S2U
85
Power out [ % ]
Power out [ % ]
83
82
81
80
79
Io : Full Load
78
77
18
20
www.chinfa.com
2010.02.09
22
24
26
28
30
Input Voltage (V)
32
34
36
80
75
70
65
60
55
50
45
10
Vi : 24VDC
20
30
40
50
60
70
Output Load (%)
80
90
100
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P4