CHINFA WDD30

WDD30U SERIES
DC - DC CONVERTER
23 ~ 30W SINGLE & DUAL OUTPUT
FEATURES
LOW COST
2:1 WIDE INPUT RANGE
I/O ISOLATION
INPUT Pi FILTER
SHORT CIRCUIT PROTECTION
HIGH PERFORMANCE
2 YEARS WARRANTY
MODEL LIST
OUTPUT
CURRENT
EFF.
(typ.)
EFF.
(min.)
+3.3 VDC
7000 mA
81%
79%
+ 5 VDC
+ 12 VDC
5000 mA
2500 mA
85%
84%
83%
82%
+ 15 VDC
+3.3 VDC
2000 mA
7000 mA
85%
82%
83%
80%
25 WATTS
+ 5 VDC
5000 mA
86%
84%
18~36 VDC
30 WATTS
+ 12 VDC
2500 mA
88%
86%
WDD30 - 15S2U
18~36 VDC
30 WATTS
+ 15 VDC
2000 mA
89%
87%
WDD30 - 03S3U
35~75 VDC
23 WATTS
7000 mA
83%
81%
WDD30 - 05S3U
WDD30 - 12S3U
WDD30 - 15S3U
35~75 VDC
35~75 VDC
35~75 VDC
25 WATTS
30 WATTS
30 WATTS
+3.3 VDC
+ 5 VDC
5000 mA
2500 mA
2000 mA
86%
88%
89%
84%
86%
87%
MODEL NO.
INPUT
VOLTAGE
WDD30 - 03S1U
9~18 VDC
23 WATTS
WDD30 - 05S1U
WDD30 - 12S1U
9~18 VDC
9~18 VDC
25 WATTS
30 WATTS
WDD30 - 15S1U
WDD30 - 03S2U
9~18 VDC
18~36 VDC
30 WATTS
23 WATTS
WDD30 - 05S2U
18~36 VDC
WDD30 - 12S2U
OUTPUT
OUTPUT
WATTAGE
VOLTAGE
Single Output Models
+ 12 VDC
+ 15 VDC
Dual Output Models
WDD30 - 05D1U
9~18 VDC
25 WATTS
5 VDC
2500 mA
84%
82%
WDD30 - 12D1U
9~18 VDC
30 WATTS
12 VDC
1250 mA
85%
83%
WDD30 - 15D1U
9~18 VDC
30 WATTS
15 VDC
1000 mA
86%
84%
WDD30 - 05D2U
18~36 VDC
25 WATTS
5 VDC
2500 mA
86%
84%
WDD30 - 12D2U
18~36 VDC
30 WATTS
12 VDC
1250 mA
88%
86%
WDD30 - 15D2U
WDD30 - 05D3U
18~36 VDC
35~75 VDC
30 WATTS
25 WATTS
15 VDC
5 VDC
1000 mA
2500 mA
89%
86%
87%
84%
WDD30 - 12D3U
35~75 VDC
30 WATTS
12 VDC
1250 mA
88%
86%
WDD30 - 15D3U
35~75 VDC
30 WATTS
15 VDC
1000 mA
89%
87%
www.chinfa.com
2008.09.23
sales@chinfa.com
WDD30U SERIES
SINGLE & DUAL OUTPUT
CIRCUIT SCHEMATIC
Block diagram for WDD30U series with single output
Vo +
Vi +
Switching
Device
Rectifier
Vo -
Vi PWM
Controller
Opto Isolation
Reference &
Error Amp.
Trim
ON / OFF
Block diagram for WDD30U series with dual output
Vo +
Vi +
Rectifier
com
Switching
Device
Rectifier
Vo -
Vi -
PWM
Controller
Opto Isolation
Reference &
Error Amp.
Trim
ON / OFF
www.chinfa.com
2008.09.23
sales@chinfa.com
WDD30U SERIES
SINGLE & DUAL OUTPUT
SPECIFICATION
o
All Specifications Typical At Nominal Line, Full Load, 25 C Unless Otherwise Noticed
GENERAL
Characteristics
Conditions
min.
typ.
max.
250
unit
Switching frequency
Vi nom, Io nom
Isolation voltage
Input / Output
Isolation resistance
Input / Output, @ 500VDC
100
Ambient temperature
Vi nom,
Io nom
3.3V & 5V output models
-40
+ 60
o
12V, 15V & dual output models
-40
+ 71
o
+ 100
o
KHz
1,500
Case temperature
Operating at Vi nom, Io nom
Derating
Vi nom
Storage temperature
Non operational
Dimension
L40.6 x W50.8 x H10.2
Cooling
Free air convection
Case material
Metal
VDC
M
C
C
C
% / oC
See derating curve
-40
o
+ 100
C
mm
max.
unit
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.
typ.
12
18
48
24
36
VDC
35
48
75
VDC
12V models
30
24V models
20
48V models
15
mA
12V models
20
24V models
40
Input filter
Io nom
VDC
80
48V models
Startup voltage
VDC
9
18
12V models
8.5
VDC
24V models
16
VDC
48V models
33
VDC
Pi type
OUTPUT SPECIFICATIONS
Characteristics
Conditions
Output voltage accuracy
Vi nom, Io nom
Minimum load
Vi nom
min.
typ.
max.
2
single output models
dual output models (each output)
unit
%
0
%
10
%
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
5
%
Transient recovery time
Vi nom, Io 0 ...1/2 Io nom
S
500
o
Temperature coefficient
Vi nom, Io nom
0.02
% / C
Ripple & noise
Vi nom, Io nom, 3.3V & 5V output models
100
mV
BW = 20MHz
12V, 15V & dual
150
mV
Vi nom
3.3V output models
Voltage trim range
5V, 12V, 15V & dual
Efficiency
www.chinfa.com
2008.09.23
Vi nom, Io nom, Po / Pi
5
%
10
%
Up to 89%, See model list
sales@chinfa.com
WDD30U SERIES
SINGLE & DUAL OUTPUT
SPECIFICATION
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
Output short circuit
Continuous
APPROVALS AND STANDARD
UL/cUL
UL60950-1
TUV
EN60950-1
CE
EN61204-3(Class A for EMI)
MECHANISM & PIN CONFIGURATION
mm [inch]
45.72 [1.80]
2.54 [0.10]
5.08 [0.20]
50.80 [2.00]
5
10.16 [0.4]
1
5.08 [0.20]
5.00 [0.20]
DIA 1.00 [0.04]
6
10.16 [0.40]
2
7
10.16 [0.40]
10.16 [0.40]
4
7.62 [0.30]
40.64 [1.60]
10.16 [0.40]
17.78 [0.70]
8
BOTTOM VIEW
PHYSICAL CHARACTERISTICS
CASE SIZE
40.6 x 50.8 x 10.2 mm 1.6 x 2 x 0.4 inches
CASE MATERIAL
Metal
WEIGHT
60 g
PIN ASSIGNMENT
GENERAL
PIN NO.
1
2
4
5
6
7
8
SINGLE
Vi+
Vi -
S. D.
NO PIN
Vo +
Vo -
Trim
DUAL
Vi+
Vi -
S. D.
Vo +
com
Vo -
Trim
S.D. : REMOTE ON / OFF
DERATING
Power out [ % ]
100
12V, 15V & dual
NATURAL
CONVECTION
COOLING
0
-40
3.3V & 5V
60
71
100
o
www.chinfa.com
2008.09.23
Ambient Temperature [ C ]
sales@chinfa.com