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RDD05U SERIES
DC - DC CONVERTER
4 ~ 6W SINGLE & DUAL OUTPUT
FEATURES
‧2:1 & 4:1 WIDE INPUT RANGE
‧I/O ISOLATION
‧INPUT Pi FILTER
‧SHORT CIRCUIT PROTECTION
‧HIGH PERFORMANCE
‧3 YEARS WARRANTY
R
H a
UL 60950-1
EN 60950-1
MODEL LIST
INPUT
EFF.
EFF. CAPACITOR
INPUT
OUTPUT OUTPUT OUTPUT
LOAD
CURRENT
MODEL NO.
VOLTAGE
WATTAGE VOLTAGE CURRENT (min.) (typ.) (max.)
(typ.) (max.)
Single Output Models
RDD05 - 03S1U
9~18 VDC
0.52A
0.73A
5 WATTS
+3.3 VDC
1500 mA
79%
81%
2200μF
RDD05 - 05S1U
9~18 VDC
0.51A
0.72A
5 WATTS
+ 5 VDC
1000 mA
80%
82%
1500μF
RDD05 - 12S1U
9~18 VDC
0.60A
0.83A
6 WATTS
+ 12 VDC
500 mA
83%
85%
270μF
RDD05 - 15S1U
9~18 VDC
0.60A
0.83A
6 WATTS
+ 15 VDC
400 mA
83%
85%
180μF
RDD05 - 03S2U
18~36 VDC
0.26A
0.36A
5 WATTS
+3.3 VDC
1500 mA
78%
80%
2200μF
RDD05 - 05S2U
18~36 VDC
0.25A
0.36A
5 WATTS
+ 5 VDC
1000 mA
80%
82%
1500μF
RDD05 - 12S2U
18~36 VDC
0.30A
0.42A
6 WATTS
+ 12 VDC
500 mA
81%
83%
270μF
RDD05 - 15S2U
18~36 VDC
0.30A
0.42A
6 WATTS
+ 15 VDC
400 mA
81%
83%
180μF
RDD05 - 03S3U
35~75 VDC
0.13A
0.19A
5 WATTS
+3.3 VDC
1500 mA
78%
80%
2200μF
RDD05 - 05S3U
35~75 VDC
0.13A
0.18A
5 WATTS
+ 5 VDC
1000 mA
80%
82%
1500μF
RDD05 - 12S3U
35~75 VDC
0.15A
0.22A
6 WATTS
+ 12 VDC
500 mA
80%
82%
270μF
RDD05 - 15S3U
35~75 VDC
0.15A
0.22A
6 WATTS
+ 15 VDC
400 mA
81%
83%
180μF
RDD05 - 03S4U
9~36 VDC
0.22A
0.62A
4 WATTS
+3.3 VDC
1200 mA
75%
77%
2200 μF
RDD05 - 05S4U
9~36 VDC
0.27A
0.76A
5 WATTS
+ 5 VDC
1000 mA
77%
79%
1500 μF
RDD05 - 12S4U
9~36 VDC
0.31A
0.87A
6 WATTS
+ 12 VDC
500 mA
80%
82%
270μF
6 WATTS
+ 15 VDC
400 mA
80%
82%
180μF
RDD05 - 15S4U
9~36 VDC
0.31A
0.87A
RDD05 - 03S5U
18~75 VDC
0.11A
0.31A
4 WATTS
+3.3 VDC
1200 mA
75%
77%
2200 μF
RDD05 - 05S5U
18~75 VDC
0.13A
0.38A
5 WATTS
+ 5 VDC
1000 mA
77%
79%
1500 μF
RDD05 - 12S5U
18~75 VDC
0.15A
0.43A
6 WATTS
+ 12 VDC
500 mA
80%
82%
270μF
RDD05 - 15S5U
18~75 VDC
0.15A
0.43A
6 WATTS
+ 15 VDC
400 mA
80%
82%
180μF
RDD05 - 05D1U
9~18 VDC
0.51A
0.72A
5 WATTS
± 5 VDC
± 500 mA
80%
82%
± 680μF
RDD05 - 12D1U
9~18 VDC
0.60A
0.83A
6 WATTS
± 12 VDC
± 250 mA
82%
84%
± 150μF
RDD05 - 15D1U
9~18 VDC
0.59A
0.83A
6 WATTS
± 15 VDC
± 200 mA
83%
85%
±
RDD05 - 05D2U
18~36 VDC
0.26A
0.36A
5 WATTS
± 5 VDC
± 500 mA
79%
81%
± 680μF
Dual Output Models
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2014.05.26
68μF
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P1
RDD05U SERIES
SINGLE & DUAL OUTPUT
MODEL LIST
INPUT
EFF.
EFF. CAPACITOR
INPUT
OUTPUT OUTPUT OUTPUT
LOAD
CURRENT
MODEL NO.
VOLTAGE
WATTAGE VOLTAGE CURRENT (min.) (typ.) (max.)
(typ.) (max.)
Dual Output Models
RDD05 - 12D2U
18~36 VDC
0.30A
0.42A
6 WATTS
± 12 VDC
± 250 mA
81%
83%
± 150μF
RDD05 - 15D2U
18~36 VDC
0.31A
0.42A
6 WATTS
± 15 VDC
± 200 mA
80%
82%
±
RDD05 - 05D3U
35~75 VDC
0.13A
0.19A
5 WATTS
± 5 VDC
± 500 mA
80%
82%
± 680μF
RDD05 - 12D3U
35~75 VDC
0.15A
0.22A
6 WATTS
± 12 VDC
± 250 mA
81%
83%
± 150μF
RDD05 - 15D3U
35~75 VDC
0.15A
0.22A
6 WATTS
± 15 VDC
± 200 mA
80%
82%
±
RDD05 - 05D4U
9~36 VDC
0.27A
0.76A
5 WATTS
± 5 VDC
± 500 mA
77%
79%
± 680μF
RDD05 - 12D4U
9~36 VDC
0.31A
0.87A
6 WATTS
± 12 VDC
± 250 mA
80%
82%
± 150μF
RDD05 - 15D4U
9~36 VDC
0.31A
0.87A
6 WATTS
± 15 VDC
± 200 mA
80%
82%
±
RDD05 - 05D5U
18~75 VDC
0.13A
0.38A
5 WATTS
± 5 VDC
± 500 mA
77%
79%
± 680μF
RDD05 - 12D5U
18~75 VDC
0.15A
0.43A
6 WATTS
± 12 VDC
± 250 mA
80%
82%
± 150μF
RDD05 - 15D5U
18~75 VDC
0.15A
0.43A
6 WATTS
± 15 VDC
± 200 mA
80%
82%
±
68μF
68μF
68μF
68μF
SPECIFICATION
All Specifications Typical At Nominal Line, Full Load, 25oC Unless Otherwise Noticed
GENERAL
Characteristics
Conditions
Switching frequency
Isolation voltage
Vi nom, Io nom
Input / Output
Isolation resistance
Isolation capacitance
Input / Output, @ 500VDC
Ambient temperature
100KHz / 1V
Operating at Vi nom, Io nom
Case temperature
Operating at Vi nom, Io nom
Derating
Vi nom
Non operational
Vi nom, Io nom
Storage temperature
Relative humidity
Temperature coefficient
min.
max.
280
unit
KHz
1,500
VDC
100
MΩ
PF
1,000
+ 71
o
+100
o
-40
+100
o
20
95
-40
C
C
See derating curve
Vi nom, Io min
C
% RH
% / oC
mm
± 0.02
Dimension
MTBF
Cooling
typ.
L31.8 x W20.3 x H10.2
1,120,000
Bellcore issue [email protected] oC, GB
Hours
Free air convection
INPUT SPECIFICATIONS
Characteristics
Input voltage range
min.
typ.
max.
unit
9
12
18
VDC
18
36
75
VDC
35
24
48
9
24
36
VDC
18
48
75
VDC
12V
30
mA
24V
30
mA
48V
20
mA
12V
20
VDC
24V
40
VDC
48V
80
VDC
Conditions
Ta min ... Ta max, Io nom
2:1
4:1
No load input current
Input voltage w/o damage
Startup voltage
Input filter
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2014.05.26
Vi nom, Io = 0
Io nom
Io nom
VDC
12V
8.7
VDC
24V
17.4
VDC
48V
31.5
VDC
Pi type
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P2
RDD05U SERIES
SINGLE & DUAL OUTPUT
SPECIFICATION
o
All Specifications Typical At Nominal Line, Full Load, 25 C Unless Otherwise Noticed
OUTPUT SPECIFICATIONS
Characteristics
Conditions
Output voltage accuracy
min.
Vi nom, Io nom
single output models
Vi nom
Minimum load
Load regulation
max.
unit
± 2
%
0
dual output models (each output)
Line regulation
typ.
%
10
%
Io nom, Vi min ...Vi max
Vi nom, Io 0 ...Io nom, single output models
± 0.5
%
± 0.5
%
Vi nom, Io min ...Io nom, dual output models
%
Cross regulation (Dual model)
Aymmetrical load 10% - 100% FL
± 1
± 5
Startup time
Transient recovery time
Vi nom, Io nom
700
%
ms
1
ms
Ripple & noise
Vi nom, Io nom, BW = 20MHz
Efficiency
Vi nom, Io nom, Po / Pi
Vi nom, 1~0.5 Io nom
mV
50
Up to 85%, See model list and efficiency curve
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
APPROVALS AND STANDARD
UL/cUL
UL 60950-1 Recognized
TUV
EN 60950-1
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
Potting material
Silicone
MECHANISM & PIN CONFIGURATION
mm [inch]
31.80 [1.25]
2 3
10.2 [0.40]
11
9
15.24 [0.60]
20.30 [0.80]
23 22
16
14
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
PIN NO.
2&3
9
11
14
16
22 & 23
SINGLE
Vi -
N. C.
N. C.
Vo+
Vo -
Vi+
DUAL
Vi -
com
Vo -
Vo+
com
Vi+
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2014.05.26
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P3
RDD05U SERIES
SINGLE & DUAL OUTPUT
CIRCUIT SCHEMATIC
‧Block diagram for RDD05U series with single output
Vi +
‧Block diagram for RDD05U series with dual output
Vo +
Rectifier
Vi +
Vo +
Rectifier
Switching
Device
Switching
Device
Vo -
Vi -
PWM
Controller
Rectifier
Vi -
PWM
Controller
Reference &
Error Amp.
Opto Isolation
com
Vo -
Opto Isolation
Reference &
Error Amp.
RECOMMENDED CIRCUIT
‧Recommended filter for EN55022 Class B compliance
‧Recommended EN 55022 Class B filter circuit layout.
‧The components used in the above figure, together with
the manufacturer part numbers for these components,
are as follows.
L1
C1
L1
RDD05-XXX1U
2.2 μF / 50V
MLCC
1.5mH common
choke
RDD05-XXX2U
2.2 μF / 50V
MLCC
1.5mH common
choke
RDD05-XXX3U
2.2 μF / 100V
MLCC
1.5mH common
choke
RDD05-XXX4U
2.2 μF / 50V
MLCC
1.5mH common
choke
RDD05-XXX5U
2.2 μF / 100V
MLCC
1.5mH common
choke
Vi +
Vin +
C1
Vo +
U
RDD05U
Vin -
Vo -
Vi -
DERATING AND EFFICIENCY CURVE
Temperature derating curve
Power out [ % ]
100
Safe Operating Area
0
-40
Ambient Temperature [ oC ]
100
Efficiency Vs Input Voltage RDD05-05S2U
82
80
81
80
79
78
Io : Full Load
77
18
20
22
24
26
28
30
Input Voltage (V)
32
34
36
Vi : 24VDC
20
30
40
50
60
70
Output Load (%)
80
90
100
Efficiency Vs Output Load RDD05-05S4U
80
Efficiency [ % ]
Efficiency [ % ]
55
85
81
80
79
Io : Full Load
78
12
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2014.05.26
75
70
65
60
50
45
10
Efficiency Vs Input Voltage RDD05-05S4U
82
77
9
Efficiency Vs Output Load RDD05-05S2U
85
Efficiency [ % ]
Efficiency [ % ]
71
15
18
21
24
27
Input Voltage (V)
30
33
36
75
70
65
60
Vi : 24VDC
55
50
45
10
20
30
40
50
60
70
Output Load (%)
80
90
100
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P4