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WDD30U SERIES
DC - DC CONVERTER
23 ~ 30W SINGLE & DUAL OUTPUT
FEATURES
‧EFFICIENCY UP TO 89%
‧2:1 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
MODEL NO.
INPUT
EFF.
EFF. CAPACITOR
INPUT
CURRENT OUTPUT OUTPUT OUTPUT
LOAD
VOLTAGE (typ.) (max.) WATTAGE VOLTAGE CURRENT (min.) (typ.) (max.)
Single Output Models
WDD30 - 03S1U
9~18 VDC
2.4 A
3.3 A
23 WATTS
+3.3 VDC
7000 mA
79%
81%
7000 μF
WDD30 - 05S1U
9~18 VDC
2.5 A
3.35 A
25 WATTS
+ 5 VDC
5000 mA
83%
85%
7000 μF
WDD30 - 12S1U
9~18 VDC
3.0 A
4.1 A
30 WATTS
+ 12 VDC
2500 mA
82%
84%
1000 μF
WDD30 - 15S1U
9~18 VDC
2.97 A
4.1 A
30 WATTS
+ 15 VDC
2000 mA
83%
85%
470 μF
WDD30 - 03S2U
18~36 VDC
1.19 A
1.62 A
23 WATTS
+3.3 VDC
7000 mA
80%
82%
7000 μF
WDD30 - 05S2U
18~36 VDC
1.22 A
1.66 A
25 WATTS
+ 5 VDC
5000 mA
84%
86%
7000 μF
WDD30 - 12S2U
18~36 VDC
1.42 A
1.95 A
30 WATTS
+ 12 VDC
2500 mA
86%
88%
1000 μF
WDD30 - 15S2U
18~36 VDC
1.42 A
1.95 A
30 WATTS
+ 15 VDC
2000 mA
87%
89%
470 μF
WDD30 - 03S3U
35~75 VDC
0.59 A
0.82 A
23 WATTS
+3.3 VDC
7000 mA
81%
83%
7000 μF
WDD30 - 05S3U
35~75 VDC
0.6 A
0.82 A
25 WATTS
+ 5 VDC
5000 mA
82%
84%
7000 μF
WDD30 - 12S3U
35~75 VDC
0.71 A
1.0 A
30 WATTS
+ 12 VDC
2500 mA
86%
88%
1000 μF
WDD30 - 15S3U
35~75 VDC
0.7 A
1.0 A
30 WATTS
+ 15 VDC
2000 mA
87%
89%
470 μF
Dual Output Models
WDD30 - 05D1U
9~18 VDC
2.51 A
3.4 A
25 WATTS
± 5 VDC
± 2500 mA
82%
84%
±3500 μF
WDD30 - 12D1U
9~18 VDC
2.95 A
4.1 A
30 WATTS
± 12 VDC
± 1250 mA
83%
85%
± 470 μF
WDD30 - 15D1U
9~18 VDC
2.94 A
4.0 A
30 WATTS
± 15 VDC
± 1000 mA
84%
86%
± 470 μF
WDD30 - 05D2U
18~36 VDC
1.24 A
1.7 A
25 WATTS
± 5 VDC
± 2500 mA
83%
85%
±3500 μF
WDD30 - 12D2U
18~36 VDC
1.41 A
1.95 A
30 WATTS
± 12 VDC
± 1250 mA
86%
88%
± 470 μF
WDD30 - 15D2U
18~36 VDC
1.42 A
1.95 A
30 WATTS
± 15 VDC
± 1000 mA
87%
89%
± 470 μF
WDD30 - 05D3U
35~75 VDC
0.62 A
0.88 A
25 WATTS
± 5 VDC
± 2500 mA
83%
85%
±3500 μF
WDD30 - 12D3U
35~75 VDC
0.7 A
1.0 A
30 WATTS
± 12 VDC
± 1250 mA
86%
88%
± 470 μF
WDD30 - 15D3U
35~75 VDC
0.71 A
1.0 A
30 WATTS
± 15 VDC
± 1000 mA
87%
89%
± 470 μF
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2014.09.12
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P1
WDD30U SERIES
SINGLE & DUAL OUTPUT
SPECIFICATION
o
All Specifications Typical At Nominal Line, Full Load, 25 C 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
min.
typ.
max.
250
KHz
1,500
100KHz / 1V
Vi nom,
Io nom
VDC
MΩ
100
3.3V & 5V output models
-40
12V, 15V & dual output models
-40
1,000
PF
+ 61
+ 71
o
+100
o
o
Case temperature
Operating at Vi nom, Io nom
Derating
Vi nom
Non operational
-40
+100
Vi nom, Io nom
20
95
Storage temperature
Relative humidity
Temperature coefficient
C
o
C
C
See derating curve
Vi nom, Io min
± 0.02
L50.8 x W40.64 x H10.16
Dimension
Be1lcore issue [email protected] oC, GB
MTBF
Cooling
unit
C
% RH
% / oC
mm
Hours
7,480,000
Free air convection
INPUT SPECIFICATIONS
Characteristics
Input voltage range
min.
typ.
max.
unit
9
18
VDC
18
12
24
36
VDC
35
48
75
VDC
12V
25
mA
24V
20
mA
48V
15
mA
12V
20
VDC
24V
40
80
VDC
Conditions
Ta min ...Ta max, Io nom
No load input current
Input voltage w/o damage
Vi nom, Io=0
Io nom
48V
Startup voltage
Io nom
VDC
8.5
16
VDC
24V
48V
33
VDC
12V
VDC
Pi type
Input filter
OUTPUT SPECIFICATIONS
Characteristics
Conditions
Output voltage accuracy
Vi nom, Io nom
Minimum load
Vi nom
Line regulation
min.
single output models
0
dual output models (each output)
10
typ.
Aymmetrical load 10% - 100% FL
Startup time
Transient recovery time
Vi nom, Io nom
Ripple & noise
Voltage trim range
1)
Vi nom, 1~0.5 Io nom
Vi nom, Io nom,
BW = 20MHz
Vi nom
±1
%
±2
±5
%
±5
30
%
ms
%
500
3.3V & 5V models
100
mV
12V, 15V & dual
3.3V model
150
mV
5V, 12V, 15V & dual
Efficiency
%
%
Vi nom, Io min ... Io nom, dual output models
Cross regulation (Dual model)
unit
±2
%
Io nom, Vi min ...Vi max
Vi nom, Io 0 ... Io nom, single output models
Load regulation
max.
Vi nom, Io nom, Po / Pi
± 5
%
%
±10
Up to 89%, See model list and efficiency curve
NOTE 1 : Pls refer to Fig 1 & Table 1 for connection and resistance recommended.
www.chinfa.com
2014.09.12
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P2
WDD30U SERIES
SINGLE & DUAL OUTPUT
SPECIFICATION
o
All Specifications Typical At Nominal Line, Full Load, 25 C Unless Otherwise Noticed
CONTROL AND PROTECTION
ON : opened or 8 ~ 10VDC applied, reference to input GND
Remote ON / OFF
OFF : -0.3 ~ 2VDC applied, reference to input GND
Input reversed
Shunt diode built in, external fuse recommended (12Vin : 5A, 24Vin : 2A, 48Vin : 1.25A)
Output short circuit
Current limited (Auto-recovery)
Rated over load protection
110%min....140%max
APPROVALS
APPROVALSAND
ANDSTANDARD
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
meet IEC 60068-2-6 (10-500 Hz, 2G, along X, Y, Z each Axis, 60 min for each Axis)
Vibration
PHYSICAL CHARACTERISTICS
Case size
50.8 x 40.64 x 10.16 mm (2 x 1.6 x 0.4 inches)
Plastic base / Metal case
Case material
Weight
60 g
Potting material
Silicone
MECHANISM & PIN CONFIGURATION
mm [inch]
2.54 [0.10]
45.72 [1.80]
5.08 [0.20]
5
6.00 [0.24]
DIA 1.00 [0.04]
6
1
5.08 [0.20]
10.16 [0.40]
2
7
10.16 [0.40]
10.16 [0.40]
4
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]
40.64 [1.60]
10.16 [0.40]
17.78 [0.70]
10.16 [0.4]
8
50.80 [2.00]
BOTTOM VIEW
PIN ASSIGNMENT
GENERAL
PIN NO.
1
4
ON / OFF
6
7
8
Vi+
2
Vi -
5
SINGLE
DUAL
NO PIN
Vo -
Trim
Vi+
Vi -
ON / OFF
Vo +
Vo +
com
Vo -
Trim
CIRCUIT SCHEMATIC
‧Block diagram for WDD30U series with dual output
‧Block diagram for WDD30U series with single output
Vo +
Vi +
Vo +
Vi +
Rectifier
Switching
Device
com
Switching
Device
Rectifier
Rectifier
Vo -
Vi PWM
Controller
Opto Isolation
Reference &
Error Amp.
ON / OFF
Vo -
Vi -
PWM
Controller
Trim
Opto Isolation
Reference &
Error Amp.
Trim
ON / OFF
RECOMMENDED CIRCUIT
‧Recommended filter for EN55022 Class B compliance
‧Recommended EN 55022 Class B filter circuit layout.
L1
+
Vin +
C1
C2
Vo +
WDD30U
Vin -
Vo -
-
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2014.09.12
C3
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P3
WDD30U SERIES
SINGLE & DUAL OUTPUT
RECOMMENDED CIRCUIT
DERATING CURVE
‧The components used in the above figure, together with the manufacturer
part numbers for these components, are as follows.
C2
C3
WDD30-XXX1U
3.3μF / 50V
MLCC
3.3μF / 50V
MLCC
InF / 2KV
MLCC
WDD30-XXX2U
1.5μF / 50V
MLCC
1.5μF / 50V
MLCC
InF / 2KV
MLCC
3.3μF / 100V 3.3μF / 100V
MLCC
MLCC
InF / 2KV
MLCC
WDD30-XXX3U
100
L1
12V, 15V & dual
Power out [ % ]
C1
Temperature derating curve
1.5mH
Common
Choke
3.5mH
Common
Choke
0.5mH
Common
Choke
Safe Operating Area
3.3V & 5V
0
-40
61
71
Ambient Temperature [ oC ]
100
EFFICIENCY CURVE
88
90
87
85
Efficiency [ % ]
Efficiency [ % ]
Efficiency Vs Input Voltage
WDD30-05S2U
86
85
84
20
22
24
26
28
30
32
34
80
75
70
65
Io : Full Load
83
18
Efficiency Vs Output Load
WDD30-05S2U
Vi : 24VDC
60
36
10
20
30
40
Input Voltage (V)
50
60
70
80
90
100
Output Load (%)
Fig. 1 Trim connection
( For Single output )
6
Vo +
7
Vo -
8
( For Dual output )
Rext 1
Trim
6
Vo +
7
Vo -
8
Rext 2
5
Vo +
5
Vo +
6
com
6
com
7
Vo -
7
Vo -
8
Trim
8
Trim
Rext 1
Rext 2
Trim
Table 1 Typical resistor values for various output voltage adjustment settings
Type
Rext 1
Vo nom -2.5%
Rext 2
Vo nom -5%
Vo nom +2.5%
Vo nom +5%
30KΩ
5.6KΩ
Vo nom +5%
Vo nom +10%
WDD30-03SXU
20KΩ
Type
Vo nom -5%
WDD30-05SXU
5.6KΩ
0Ω
1.5KΩ
WDD30-12SXU
43KΩ
20KΩ
10KΩ
1KΩ
WDD30-15SXU
120KΩ
56KΩ
24KΩ
4.7KΩ
WDD30-05DXU
330KΩ
150KΩ
10KΩ
3KΩ
WDD30-12DXU
130KΩ
56KΩ
10KΩ
2KΩ
WDD30-15DXU
130KΩ
68KΩ
15KΩ
2KΩ
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2014.09.12
0Ω
Vo nom -10%
1KΩ
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P4