CHINFA WDD20

WDD20U SERIES
DC - DC CONVERTER
20W SINGLE & DUAL OUTPUT
FEATURES
‧EFFICIENCY UP TO 89%
‧2:1 WIDE INPUT RANGE
‧I/O ISOLATION
‧INPUT Pi FILTER
‧SHORT CIRCUIT PROTECTION
‧HIGH PERFORMANCE
‧2 YEARS WARRANTY
R
H a
UL 60950-1
EN 60950-1
MODEL LIST
INPUT
EFF.
EFF. CAPACITOR
INPUT
CURRENT OUTPUT OUTPUT OUTPUT
LOAD
MODEL NO.
VOLTAGE (typ.) (max.) WATTAGE VOLTAGE CURRENT (min.) (typ.) (max.)
Single Output Models
+3.3 VDC
6000 mA
79%
81%
7000 μF
20 WATTS
+ 5 VDC
4000 mA
83%
85%
7000 μF
20 WATTS
+ 12 VDC
1670 mA
82%
84%
1000 μF
2.72 A
20 WATTS
+ 15 VDC
1330 mA
83%
85%
470 μF
1.0 A
1.4 A
20 WATTS
+3.3 VDC
6000 mA
80%
82%
7000 μF
0.97 A
1.4 A
20 WATTS
+ 5 VDC
4000 mA
84%
86%
7000 μF
0.96 A
1.32 A
20 WATTS
+ 12 VDC
1670 mA
86%
88%
1000 μF
18~36 VDC
0.95 A
1.32 A
20 WATTS
+ 15 VDC
1330 mA
87%
89%
470 μF
35~75 VDC
0.5 A
0.71 A
20 WATTS
+3.3 VDC
6000 mA
81%
83%
7000 μF
WDD20 - 05S3U
35~75 VDC
0.49 A
0.71 A
20 WATTS
+ 5 VDC
4000 mA
82%
84%
7000 μF
WDD20 - 12S3U
35~75 VDC
0.48 A
0.7 A
20 WATTS
+ 12 VDC
1670 mA
86%
88%
1000 μF
WDD20 - 15S3U
35~75 VDC
0.47 A
0.7 A
20 WATTS
+ 15 VDC
1330 mA
87%
89%
470 μF
WDD20 - 03S1U
9~18 VDC
2.04 A
2.83 A
20 WATTS
WDD20 - 05S1U
9~18 VDC
1.98 A
2.72 A
WDD20 - 12S1U
9~18 VDC
1.97 A
2.75 A
WDD20 - 15S1U
9~18 VDC
1.96 A
WDD20 - 03S2U
18~36 VDC
WDD20 - 05S2U
18~36 VDC
WDD20 - 12S2U
18~36 VDC
WDD20 - 15S2U
WDD20 - 03S3U
Dual Output Models
WDD20 - 05D1U
9~18 VDC
2.0 A
2.75 A
20 WATTS
± 5 VDC
± 2000 mA
82%
84%
±1000 μF
WDD20 - 12D1U
9~18 VDC
1.93 A
2.72 A
20 WATTS
± 12 VDC
± 830 mA
83%
85%
± 470 μF
WDD20 - 15D1U
9~18 VDC
1.93 A
2.72 A
20 WATTS
± 15 VDC
± 670 mA
84%
86%
± 470 μF
WDD20 - 05D2U
18~36 VDC
0.98 A
1.4 A
20 WATTS
± 5 VDC
± 2000 mA
83%
85%
±1000 μF
WDD20 - 12D2U
18~36 VDC
0.96 A
1.32 A
20 WATTS
± 12 VDC
± 830 mA
86%
88%
± 470 μF
WDD20 - 15D2U
18~36 VDC
0.95 A
1.32 A
20 WATTS
± 15 VDC
± 670 mA
87%
89%
± 470 μF
WDD20 - 05D3U
35~75 VDC
0.49 A
0.7 A
20 WATTS
± 5 VDC
± 2000 mA
83%
85%
±1000 μF
WDD20 - 12D3U
35~75 VDC
0.48 A
0.7 A
20 WATTS
± 12 VDC
± 830 mA
86%
88%
± 470 μF
WDD20 - 15D3U
35~75 VDC
0.48 A
0.7 A
20 WATTS
± 15 VDC
± 670 mA
87%
89%
± 470 μF
www.chinfa.com
2010.05.21
[email protected]
P1
WDD20U 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
typ.
min.
max.
250
KHz
1500
100KHz / 1V
Vi nom,
Io nom
VDC
MΩ
100
1000
3.3V & 5V output models
-40
12V, 15V & dual output models
-40
o
+100
o
o
Operating at Vi nom, Io nom
Derating
Vi nom
Non operational
-40
+100
Vi nom, Io nom
20
95
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
PF
+ 61
+ 71
Case temperature
Storage temperature
Relative humidity
unit
C
% RH
% / oC
mm
Hours
958000
Free air convection
INPUT SPECIFICATIONS
Characteristics
Input voltage range
min.
typ.
9
18
VDC
18
12
24
36
VDC
35
48
75
VDC
12V models
25
mA
24V models
20
mA
48V models
15
mA
12V models
20
VDC
24V models
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 models
Startup voltage
Io nom
max.
unit
VDC
8.5
16
VDC
24V models
48V models
33
VDC
12V models
VDC
Pi type
Input filter
OUTPUT SPECIFICATIONS
Characteristics
Conditions
Output voltage accuracy
Vi nom, Io nom
Minimum load
Vi nom
typ.
single output models
0
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
3.3V & 5V models
12V, 15V & dual
3.3V model
5V, 12V, 15V & dual
Efficiency
Vi nom, Io nom, Po / Pi
%
%
Vi nom, Io min ... Io nom, dual output models
Cross regulation (Dual model)
unit
%
10
Io nom, Vi min ...Vi max
Vi nom, Io 0 ... Io nom, single output models
Load regulation
max.
±2
dual output models (each output)
Line regulation
min.
± 5
±1
%
±2
±5
%
±5
30
%
ms
%
500
μs
100
mV
150
mV
%
%
±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
2010.05.21
[email protected]
P2
WDD20U 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 : 3A, 24Vin : 1.5A, 48Vin : 1A)
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, CB scheme
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
Patting material
Silicone
MECHANISM & PIN CONFIGURATION
mm [inch]
2.54 [0.10]
45.72 [1.80]
5.08 [0.20]
5
10.16 [0.4]
DIA 1.00 [0.04]
6
1
5.08 [0.20]
6.00 [0.24]
10.16 [0.40]
2
7
10.16 [0.40]
10.16 [0.40]
4
8
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]
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 WDD20U series with dual output
‧Block diagram for WDD20U 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 +
WDD20U
Vin -
Vo -
-
www.chinfa.com
2010.05.21
C3
[email protected]
P3
WDD20U SERIES
SINGLE & DUAL OUTPUT
RECOMMENDED CIRCUIT
DERATING AND EFFICIENCY CURVE
‧The commponents used in the above figure, together with the
manufacturer part numbers for these components, are as follows.
C2
C3
WDD20-XXX1U
3.3μF / 50V
MLCC
3.3μF / 50V
MLCC
InF / 2KV
MLCC
WDD20-XXX2U
1μF / 50V
MLCC
1μF / 50V
MLCC
InF / 2KV
MLCC
WDD20-XXX3U
3.3μF / 100V 3.3μF / 100V
MLCC
MLCC
InF / 2KV
MLCC
100
L1
12V, 15V & dual
Power out [ % ]
C1
Temperature derating curve
1.5mH
Common
Choke
1.5mH
Common
Choke
0.5mH
Common
Choke
NATURAL
CONVECTION
COOLING
0
-40
3.3V & 5V
61
71
Ambient Temperature [ oC ]
100
DERATING AND EFFICIENCY CURVE
89
90
88
85
Efficiency [ % ]
Efficiency [ % ]
Efficiency Vs Input Voltage
WDD20-05S2U
87
86
85
20
22
24
26
28
30
32
34
80
75
70
65
Io : Full Load
84
18
Efficiency Vs Output Load
WDD20-05S2U
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
7
8
( For Dual output )
Vo +
Rext 1
Vo -
Trim
6
7
8
Vo +
Vo 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%
7.5KΩ
3KΩ
WDD20-03SXU
820Ω
Type
Vo nom -5%
Vo nom +5%
Vo nom +10%
WDD20-05SXU
3.9KΩ
0Ω
4.7KΩ
0Ω
WDD20-12SXU
130KΩ
18KΩ
10KΩ
1KΩ
WDD20-15SXU
130KΩ
20KΩ
20KΩ
3.9KΩ
WDD20-05DXU
33KΩ
12KΩ
10KΩ
3KΩ
WDD20-12DXU
120KΩ
56KΩ
12KΩ
2KΩ
WDD20-15DXU
180KΩ
75KΩ
10KΩ
1.2KΩ
www.chinfa.com
2010.05.21
0Ω
Vo nom -10%
[email protected]
P4
WDD20U SERIES
DC - DC CONVERTER
20W SINGLE & DUAL OUTPUT
FEATURES
‧EFFICIENCY UP TO 84%
‧4:1 WIDE INPUT RANGE
‧I/O ISOLATION
‧INPUT Pi FILTER
‧SHORT CIRCUIT PROTECTION
‧HIGH PERFORMANCE
‧2 YEARS WARRANTY
R
H a
UL 60950-1
EN 60950-1
MODEL LIST
INPUT
EFF. CAPACITOR
INPUT
OUTPUT OUTPUT OUTPUT EFF.
CURRENT
LOAD
MODEL NO.
VOLTAGE (typ.) (max.) WATTAGE VOLTAGE CURRENT (min.) (typ.) (max.)
Single Output Models
WDD20 - 03S4U
9~36 VDC
1.06 A
2.88 A
20 WATTS
+3.3 VDC
6000 mA
77%
79%
7000 μF
WDD20 - 05S4U
9~36 VDC
1.06 A
2.88 A
20 WATTS
+ 5 VDC
4000 mA
78%
80%
3500 μF
WDD20 - 12S4U
9~36 VDC
1.03 A
2.8 A
20 WATTS
+ 12 VDC
1670 mA
80%
82%
470 μF
WDD20 - 15S4U
9~36 VDC
1.02 A
2.8 A
20 WATTS
+ 15 VDC
1330 mA
81%
83%
220 μF
WDD20 - 03S5U
18~75 VDC
0.53 A
1.45 A
20 WATTS
+3.3 VDC
6000 mA
77%
79%
7000 μF
WDD20 - 05S5U
18~75 VDC
0.51 A
1.45 A
20 WATTS
+ 5 VDC
4000 mA
79%
81%
3500 μF
WDD20 - 12S5U
18~75 VDC
0.5 A
1.4 A
20 WATTS
+ 12 VDC
1670 mA
82%
84%
3500 μF
WDD20 - 15S5U
18~75 VDC
0.5 A
1.4 A
20 WATTS
+ 15 VDC
1330 mA
82%
84%
1000 μF
Dual Output Models
WDD20 - 05D4U
9~36 VDC
1.06 A
2.88 A
20 WATTS
± 5 VDC
± 2000 mA
78%
80%
±1000 μF
WDD20 - 12D4U
9~36 VDC
1.02 A
2.8 A
20 WATTS
± 12 VDC
± 830 mA
81%
83%
± 470 μF
WDD20 - 15D4U
9~36 VDC
1.0 A
2.8 A
20 WATTS
± 15 VDC
± 670 mA
82%
84%
± 470 μF
WDD20 - 05D5U
18~75 VDC
0.52 A
1.4 A
20 WATTS
± 5 VDC
± 2000 mA
80%
82%
±1000 μF
WDD20 - 12D5U
18~75 VDC
0.49 A
1.4 A
20 WATTS
± 12 VDC
± 830 mA
82%
84%
± 470 μF
WDD20 - 15D5U
18~75 VDC
0.5 A
1.4 A
20 WATTS
± 15 VDC
± 670 mA
82%
84%
± 470 μF
www.chinfa.com
2010.05.21
[email protected]
P5
WDD20U 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
250
100KHz / 1V
Vi nom,
Io nom
VDC
MΩ
100
3.3V & 5V output models
-40
12V, 15V & dual output models
-40
Derating
Vi nom
Non operational
Vi nom, Io nom
+ 61
+ 71
PF
o
C
o
C
+100
o
-40
+100
o
20
95
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
KHz
1000
Operating at Vi nom, Io nom
Temperature coefficient
max.
1500
Case temperature
Storage temperature
Relative humidity
typ.
min.
C
% RH
% / oC
mm
Hours
960000
Free air convection
INPUT SPECIFICATIONS
Characteristics
Input voltage range
min.
typ.
9
24
36
VDC
18
48
75
VDC
24V models
20
mA
48V models
15
mA
24V models
40
80
VDC
Conditions
Ta min ...Ta max, Io nom
No load input current
Vi nom, Io=0
Input voltage w/o damage
Io nom
Startup voltage
Io nom
48V models
max.
unit
VDC
24V models
8.5
VDC
48V models
16
VDC
Pi type
Input filter
OUTPUT SPECIFICATIONS
Characteristics
Conditions
Output voltage accuracy
Vi nom, Io nom
Minimum load
Vi nom
typ.
0
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
μs
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
%
10
Io nom, Vi min ...Vi max
Vi nom, Io 0 ... Io nom, single output models
Load regulation
max.
±2
single output models
dual output models (each output)
Line regulation
min.
Vi nom, Io nom, Po / Pi
± 5
%
%
±10
Up to 84%, See model list and efficiency curve
NOTE 1 : Pls refer to Fig 1 & Table 1 for connection and resistance recommended.
CONTROL AND PROTECTION
Remote ON / OFF
ON : opened or 8 ~ 10VDC applied, reference to input GND
OFF : -0.3 ~ 2VDC applied, reference to input GND
Input reversed
Shunt diode built in, external fuse recommended (24Vin : 3A, 48Vin : 1.5A)
Output short circuit
Current limited (Auto-recovery)
Rated over load protection
110%min....140%max
www.chinfa.com
2010.05.21
[email protected]
P6
WDD20U SERIES
SINGLE & DUAL OUTPUT
SPECIFICATION
o
All Specifications Typical At Nominal Line, Full Load, 25 C Unless Otherwise Noticed
APPROVALS
APPROVALSAND
ANDSTANDARD
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
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
Case material
Weight
50.8 x 40.64 x 10.16 mm (2 x 1.6 x 0.4 inches)
Plastic base / Metal case
60 g
Patting material
Silicone
MECHANISM & PIN CONFIGURATION
mm [inch]
2.54 [0.10]
45.72 [1.80]
5.08 [0.20]
5
10.16 [0.4]
DIA 1.00 [0.04]
6
1
5.08 [0.20]
6.00 [0.24]
40.64 [1.60]
10.16 [0.40]
17.78 [0.70]
10.16 [0.40]
2
7
10.16 [0.40]
10.16 [0.40]
4
8
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]
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 WDD20U series with single output
‧Block diagram for WDD20U series with dual 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 +
WDD20U
Vin -
Vo -
C3
www.chinfa.com
2010.05.21
[email protected]
P7
WDD20U SERIES
SINGLE & DUAL OUTPUT
RECOMMENDED CIRCUIT
DERATING AND EFFICIENCY CURVE
‧The commponents used in the above figure, together with the
manufacturer part numbers for these components, are as follows.
C2
C3
1μF / 50V
MLCC
1μF / 50V
MLCC
InF / 2KV
MLCC
3.3μF / 100V 3.3μF / 100V
WDD20-XXX5U
MLCC
MLCC
100
L1
1.5mH
Common
Choke
0.5mH
Common
Choke
InF / 2KV
MLCC
12V, 15V & dual
Power out [ % ]
WDD20-XXX4U
C1
Temperature derating curve
NATURAL
CONVECTION
COOLING
0
-40
3.3V & 5V
61
71
Ambient Temperature [ oC ]
100
DERATING AND EFFICIENCY CURVE
90
90
85
85
Efficiency [ % ]
Efficiency [ % ]
Efficiency Vs Input Voltage
WDD20-05S4U
80
75
70
20
22
24
26
28
30
32
34
80
75
70
65
Io : Full Load
65
18
Efficiency Vs Output Load
WDD20-05S4U
60
36
Vi : 24VDC
10
20
30
40
Input Voltage (V)
50
60
70
80
90
100
Output Load (%)
Fig. 1 Trim connection
( For Single output )
6
7
8
( For Dual output )
Vo +
Rext 1
Vo -
Trim
6
7
8
Vo +
Vo 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%
7.5KΩ
3KΩ
WDD20-03SXU
820Ω
Type
Vo nom -5%
Vo nom +5%
Vo nom +10%
WDD20-05SXU
3.9KΩ
0Ω
4.7KΩ
0Ω
WDD20-12SXU
130KΩ
18KΩ
10KΩ
1KΩ
WDD20-15SXU
130KΩ
20KΩ
20KΩ
3.9KΩ
WDD20-05DXU
33KΩ
12KΩ
10KΩ
3KΩ
WDD20-12DXU
120KΩ
56KΩ
12KΩ
2KΩ
WDD20-15DXU
180KΩ
75KΩ
10KΩ
1.2KΩ
www.chinfa.com
2010.05.21
0Ω
Vo nom -10%
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P8