CHINFA WDD15-15S5

WDD15 SERIES
DC - DC CONVERTER
12 ~ 15W SINGLE & DUAL OUTPUT
FEATURES
O n/o
ff
‧EFFICIENCY UP TO 84%
‧4:1 WIDE INPUT RANGE
‧I/O ISOLATION
‧INPUT Pi FILTER
‧SHORT CIRCUIT PROTECTION
‧HIGH PERFORMANCE
‧2 YEARS WARRANTY
MODEL LIST
MODEL NO.
INPUT
EFF. CAPACITOR
INPUT
OUTPUT OUTPUT OUTPUT EFF.
LOAD
CURRENT
VOLTAGE
WATTAGE VOLTAGE CURRENT (min.) (typ.) (max.)
(typ.)
Single Output Models
WDD15 - 03S4
10~36 VDC
0.63 A
12 WATTS
+3.3 VDC
3600 mA
77%
80%
7000 μF
WDD15 - 05S4
10~36 VDC
0.78 A
15 WATTS
+ 5 VDC
3000 mA
79%
81%
7000 μF
WDD15 - 12S4
10~36 VDC
0.75 A
15 WATTS
+ 12 VDC
1250 mA
81%
83%
470μF
WDD15 - 15S4
10~36 VDC
0.75 A
15 WATTS
+ 15 VDC
1000 mA
81%
83%
220μF
WDD15 - 03S5
18~72 VDC
0.32 A
12 WATTS
+3.3 VDC
3600 mA
77%
80%
7000 μF
WDD15 - 05S5
18~72 VDC
0.39 A
15 WATTS
+ 5 VDC
3000 mA
79%
81%
7000 μF
WDD15 - 12S5
18~72 VDC
0.37 A
15 WATTS
+ 12 VDC
1250 mA
82%
84%
470μF
WDD15 - 15S5
18~72 VDC
0.38 A
15 WATTS
+ 15 VDC
1000 mA
80%
82%
220μF
Dual Output Models
WDD15 - 12D4
10~36 VDC
0.78 A
15 WATTS
± 12 VDC
± 630 mA
80%
82%
± 1000μF
WDD15 - 15D4
10~36 VDC
0.78 A
15 WATTS
± 15 VDC
± 500 mA
79%
81%
± 1000μF
WDD15 - 12D5
18~72 VDC
0.39 A
15 WATTS
± 12 VDC
± 630 mA
80%
82%
± 1000μF
WDD15 - 15D5
18~72 VDC
0.38 A
15 WATTS
± 15 VDC
± 500 mA
79%
81%
± 1000μF
www.chinfa.com
2010.02.09
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P1
WDD15 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
100KHz / 1V
Vi nom,
Io nom
VDC
MΩ
100
1000
3.3V & 5V output models
-25
12V, 15V & dual output models
-25
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
1500
Operating at Vi nom, Io nom
Temperature coefficient
max.
230
Case temperature
Storage temperature
Relative humidity
typ.
min.
C
% RH
% / oC
mm
Hours
1270000
Free air convection
INPUT SPECIFICATIONS
Characteristics
Input voltage range
Conditions
Ta min ...Ta max, Io nom
min.
typ.
10
24
48
Vi nom, Io=0
Input voltage w/o damage
Io nom
Startup voltage
Io nom
unit
36
VDC
72
VDC
24V models
15
mA
48V models
10
mA
24V models
40
75
VDC
18
No load input current
max.
48V models
VDC
24V models
9.5
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.
%
10
%
Vi nom, Io min ... Io nom, dual output models
Cross regulation (Dual model)
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
unit
%
0
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 : 2A, 48Vin : 1A)
Output short circuit
Current limited (Auto-recovery)
Rated over load protection
110%min....140%max
www.chinfa.com
2010.02.09
[email protected]
P2
WDD15 SERIES
SINGLE & DUAL OUTPUT
PHYSICAL CHARACTERISTICS
Case size
50.8 x 40.64 x 10.16 mm (2 x 1.6 x 0.4 inches)
Case material
Plastic base / Metal case
Weight
60 g
Patting material
Epoxy
MECHANISM & PIN CONFIGURATION
mm [inch]
2.54 [0.10]
45.72 [1.80]
5.08 [0.20]
5
10.16 [0.4]
6.00 [0.24]
30.00[1.18] - 120.00[4.72]
±0.50[0.02]
7
10.16 [0.40]
4
GENERAL TOLERANCE
±0.30[0.01]
10.16 [0.40]
2
10.16 [0.40]
DIA 1.00 [0.04]
0.00[0.00] - 30.00[1.18]
6
1
5.08 [0.20]
40.64 [1.60]
10.16 [0.40]
17.78 [0.70]
8
50.80 [2.00]
BOTTOM VIEW
PIN ASSIGNMENT
GENERAL
PIN NO.
1
2
4
5
6
7
8
SINGLE
Vi+
Vi -
ON / OFF
NO PIN
Vo +
Vo -
Trim
DUAL
Vi+
Vi -
ON / OFF
Vo +
com
Vo -
Trim
CIRCUIT SCHEMATIC
‧Block diagram for WDD15 series with dual output
‧Block diagram for WDD15 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.
PWM
Controller
Trim
ON / OFF
Vo -
Vi -
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 +
WDD15
Vin -
Vo -
C3
‧The commponents used in the above figure, together with the
manufacturer part numbers for these components, are as follows.
C1
WDD15-XXX4
WDD15-XXX5
www.chinfa.com
2010.02.09
1μF / 50V
MLCC
C2
1μF / 50V
MLCC
3.3μF / 100V 3.3μF / 100V
MLCC
MLCC
C3
InF / 2KV
MLCC
InF / 2KV
MLCC
L1
1.5mH
Common
Choke
3.5mH
Common
Choke
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P3
WDD15 SERIES
SINGLE & DUAL OUTPUT
DERATING AND EFFICIENCY CURVE
Temperature derating curve
100
Power out [ % ]
12V, 15V & dual
NATURAL
CONVECTION
COOLING
0
-25
3.3V & 5V
61
71
Ambient Temperature [ oC ]
100
Efficiency Vs Input Voltage
WDD15-05S4
90
83
85
Efficiency [ % ]
82
Efficiency [ % ]
Efficiency Vs Output Load
WDD15-05S4
81
80
79
20
22
24
26
28
30
32
34
75
70
65
Io : Full Load
78
18
80
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
Rext 2
Vo nom -2.5%
Vo nom -5%
Vo nom +2.5%
Vo nom +5%
WDD15-03SX
750Ω
510Ω
8.66KΩ
3.9KΩ
Type
Vo nom -5%
Vo nom -10%
Vo nom +5%
Vo nom +10%
WDD15-05SX
4.7KΩ
0Ω
4.7KΩ
470Ω
WDD15-12SX
47KΩ
15KΩ
5.6KΩ
200Ω
WDD15-15SX
150KΩ
56KΩ
12KΩ
1KΩ
WDD15-12DX
130KΩ
51KΩ
10KΩ
750Ω
WDD15-15DX
330KΩ
150KΩ
20KΩ
3KΩ
www.chinfa.com
2010.02.09
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P4