CHINFA RDD05-12S1

RDD05 SERIES
DC - DC CONVERTER
5 ~ 6W SINGLE & DUAL OUTPUT
FEATURES
‧EFFICIENCY UP TO 88%
‧2:1 WIDE INPUT RANGE
‧I/O ISOLATION
‧INPUT Pi FILTER
‧SHORT CIRCUIT PROTECTION
‧2 YEARS WARRANTY
MODEL LIST
MODEL NO.
INPUT
EFF.
EFF. CAPACITOR
INPUT
OUTPUT OUTPUT OUTPUT
LOAD
CURRENT
VOLTAGE
WATTAGE VOLTAGE CURRENT (min.) (typ.) (max.)
(typ.)
Single Output Models
RDD05 - 03S1
9~18 VDC
0.55A
5 WATTS
+3.3 VDC
1500 mA
74%
76%
2200 μF
RDD05 - 05S1
9~18 VDC
0.53A
5 WATTS
+ 5 VDC
1000 mA
77%
79%
1500 μF
RDD05 - 12S1
9~18 VDC
0.61A
6 WATTS
+ 12 VDC
500 mA
81%
83%
270μF
RDD05 - 15S1
9~18 VDC
0.60A
6 WATTS
+ 15 VDC
400 mA
82%
84%
180μF
RDD05 - 03S2
18~36 VDC
0.27A
5 WATTS
+3.3 VDC
1500 mA
77%
79%
2200 μF
RDD05 - 05S2
18~36 VDC
0.26A
5 WATTS
+ 5 VDC
1000 mA
80%
82%
1500 μF
RDD05 - 12S2
18~36 VDC
0.29A
6 WATTS
+ 12 VDC
500 mA
84%
86%
270μF
RDD05 - 15S2
18~36 VDC
0.28A
6 WATTS
+ 15 VDC
400 mA
85%
87%
180μF
RDD05 - 03S3
35~75 VDC
0.13A
5 WATTS
+3.3 VDC
1500 mA
78%
80%
2200 μF
RDD05 - 05S3
35~75 VDC
0.13A
5 WATTS
+ 5 VDC
1000 mA
81%
83%
1500 μF
RDD05 - 12S3
35~75 VDC
0.14A
6 WATTS
+ 12 VDC
500 mA
85%
87%
270μF
RDD05 - 15S3
35~75 VDC
0.14A
6 WATTS
+ 15 VDC
400 mA
86%
88%
180μF
RDD05 - 05D1
9~18 VDC
0.54A
5 WATTS
± 5 VDC
± 500 mA
76%
78%
± 680μF
RDD05 - 12D1
9~18 VDC
0.61A
6 WATTS
± 12 VDC
± 250 mA
80%
82%
± 150μF
RDD05 - 15D1
9~18 VDC
0.60A
6 WATTS
± 15 VDC
± 200 mA
81%
83%
±
RDD05 - 05D2
18~36 VDC
0.26A
5 WATTS
± 5 VDC
± 500 mA
78%
80%
± 680μF
RDD05 - 12D2
18~36 VDC
0.30A
6 WATTS
± 12 VDC
± 250 mA
83%
85%
± 150μF
RDD05 - 15D2
18~36 VDC
0.29A
6 WATTS
± 15 VDC
± 200 mA
84%
86%
±
RDD05 - 05D3
35~75 VDC
0.13A
5 WATTS
± 5 VDC
± 500 mA
79%
81%
± 680μF
RDD05 - 12D3
35~75 VDC
0.15A
6 WATTS
± 12 VDC
± 250 mA
84%
86%
RDD05 - 15D3
35~75 VDC
0.15A
6 WATTS
± 15 VDC
± 200 mA
85%
87%
± 150μF
±± 68μF
Dual Output Models
www.chinfa.com
2009.12.08
68μF
68μF
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P1
RDD05 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.
max.
150
unit
KHz
1500
VDC
100
MΩ
1000
PF
+ 71
o
+ 90
o
-40
+100
o
20
95
% RH
± 0.02
% / oC
-25
C
C
See derating curve
Dimension
C
mm
L31.8 x W20.3 x H12.7
o
MTBF
Bellcore issue [email protected] C, GB
Cooling
Free air convection
Vibration
meet IEC 60068-2-6 (Random wave, 10-2KHz, 5G, each along X, Y, Z axes 10 min/cycle, 60min)
Hours
1120000
INPUT SPECIFICATIONS
Characteristics
Input voltage range
No load input current
Input voltage w/o damage
Conditions
Ta min ... Ta max, Io nom
Vi nom, Io = 0
Io nom
min.
9
typ.
12
Input filter
Io nom
unit
18
VDC
18
24
36
VDC
36
48
72
VDC
12V models
30
mA
24V models
25
mA
48V models
15
mA
12V models
20
VDC
24V models
40
VDC
75
VDC
48V models
Startup voltage
max.
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
%
20
%
Line regulation
Io nom, Vi min ...Vi max
± 1
%
Load regulation
Vi nom, Io 0 ...Io nom, single output models
± 2
%
Vi nom, Io min ...Io nom, dual output models
± 3
%
Cross regulation (Dual model)
Aymmetrical load 20% - 100% FL
± 5
%
Startup time
Vi nom, Io nom
500
ms
Transient recovery time
Vi nom, 1~0.5 lo nom
500
μs
Ripple & noise
Vi nom, Io nom, BW = 20MHz
100
mV
Efficiency
www.chinfa.com
2009.12.08
Vi nom, Io nom, Po / Pi
Up to 88%, See model list and efficiency curve
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P2
RDD05 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
PHYSICAL CHARACTERISTICS
Case size
31.8 x 20.3 x 12.7 mm (1.25 x 0.8 x 0.5 inches)
Case material
Plastic
Weight
15 g
Patting material
Epoxy
MECHANISM & PIN CONFIGURATION
mm [inch]
31.80 [1.25]
12.70 [0.50]
2 3
9
11
23 22
16
14
15.24 [0.60]
20.30 [0.80]
6.00 [0.24]
DIA 0.50 [0.02]
2.54 [0.10]
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
16
22 & 23
Vo+
Vo -
Vi+
Vo+
com
Vi+
PIN NO.
2&3
9
11
14
SINGLE
Vi -
NO PIN
N. C.
DUAL
Vi -
com
Vo -
CIRCUIT SCHEMATIC
‧Block diagram for RDD05 series with dual output
‧Block diagram for RDD05 series with single output
Vi +
Vo + Vi +
Rectifier
Switching
Device
Switching
Device
www.chinfa.com
2009.12.08
Opto Isolation
Reference &
Error Amp.
com
Rectifier
Vo - Vi -
Vi -
Control
Vo +
Rectifier
Control
Opto Isolation
Vo -
Reference &
Error Amp.
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P3
RDD05 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 +
Vin +
C1
C1
C2
C3 / C4
C5
L1
Vo +
RDD05XXX1
2.2μF / 50V
MLCC
4.7μF / 50V
MLCC
1nF/2KV
MLCC
1nF/2KV
MLCC
Vo -
RDD05XXX2
2.2μF / 50V
MLCC
4.7μF / 50V
MLCC
1nF/2KV
MLCC
1nF/2KV
MLCC
RDD05XXX3
2.2μF / 100V 2.2μF / 100V
MLCC
MLCC
1nF/2KV
MLCC
1nF/2KV
MLCC
1.5mH
Common
Choke
1.5mH
Common
Choke
1.5mH
Common
Choke
RDD05
C2
Vin -
Vi C3 / C4
‧Recommended EN 55022 Class B filter circuit layout.
DERATING AND EFFICIENCY CURVE
Temperature derating curve
Power out [ % ]
100
NATURAL
CONVECTION
COOLING
0
-25
71
90
Ambient Temperature [ oC ]
Efficiency Vs Input Voltage
RDD05-05S2
84
85
Power out [ % ]
Power out [ % ]
83
82
81
80
79
Io : Full Load
78
77
18
20
www.chinfa.com
2009.12.08
Efficiency Vs Output Load
RDD05-05S2
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