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
MODEL NO. INPUT VOLTAGE
9~18 VDC 9~18 VDC 9~18 VDC 9~18 VDC 18~36 VDC 18~36 VDC 18~36 VDC 18~36 VDC 35~75 VDC 35~75 VDC 35~75 VDC 35~75 VDC
OUTPUT OUTPUT WATTAGE VOLTAGE Single Output Models
23 WATTS 25 WATTS 30 WATTS 30 WATTS 23 WATTS 25 WATTS 30 WATTS 30 WATTS 23 WATTS 25 WATTS 30 WATTS 30 WATTS +3.3 VDC + 5 VDC + 12 VDC + 15 VDC +3.3 VDC + 5 VDC + 12 VDC + 15 VDC +3.3 VDC + 5 VDC + 12 VDC + 15 VDC
OUTPUT CURRENT
7000 mA 5000 mA 2500 mA 2000 mA 7000 mA 5000 mA 2500 mA 2000 mA 7000 mA 5000 mA 2500 mA 2000 mA
EFF. (typ.)
81% 85% 84% 85% 82% 86% 88% 89% 83% 86% 88% 89%
EFF. (min.)
79% 83% 82% 83% 80% 84% 86% 87% 81% 84% 86% 87%
WDD30 - 03S1U WDD30 - 05S1U WDD30 - 12S1U WDD30 - 15S1U WDD30 - 03S2U WDD30 - 05S2U WDD30 - 12S2U WDD30 - 15S2U WDD30 - 03S3U WDD30 - 05S3U WDD30 - 12S3U WDD30 - 15S3U
Dual Output Models
WDD30 - 05D1U WDD30 - 12D1U WDD30 - 15D1U WDD30 - 05D2U WDD30 - 12D2U WDD30 - 15D2U WDD30 - 05D3U WDD30 - 12D3U WDD30 - 15D3U 9~18 VDC 9~18 VDC 9~18 VDC 18~36 VDC 18~36 VDC 18~36 VDC 35~75 VDC 35~75 VDC 35~75 VDC 25 WATTS 30 WATTS 30 WATTS 25 WATTS 30 WATTS 30 WATTS 25 WATTS 30 WATTS 30 WATTS 5 VDC 12 VDC 15 VDC 5 VDC 12 VDC 15 VDC 5 VDC 12 VDC 15 VDC 2500 mA 1250 mA 1000 mA 2500 mA 1250 mA 1000 mA 2500 mA 1250 mA 1000 mA 84% 85% 86% 86% 88% 89% 86% 88% 89% 82% 83% 84% 84% 86% 87% 84% 86% 87%
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WDD30U SERIES
SINGLE & DUAL OUTPUT
CIRCUIT SCHEMATIC
Block diagram for WDD30U series with single output
Vi +
Vo +
Switching Device
Rectifier
Vi PWM Controller ON / OFF Opto Isolation Reference & Error Amp.
Vo -
Trim
Block diagram for WDD30U series with dual output
Vi + Rectifier Switching Device Rectifier Vi -
Vo +
com
Vo -
PWM Controller
Opto Isolation
Reference & Error Amp.
Trim
ON / OFF
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WDD30U SERIES
SINGLE & DUAL OUTPUT
SPECIFICATION
All Specifications Typical At Nominal Line, Full Load, 25 C Unless Otherwise Noticed
o
GENERAL
Characteristics
Switching frequency Isolation voltage Isolation resistance Ambient temperature Case temperature Derating Storage temperature Dimension Cooling Case material
Conditions
Vi nom, Io nom Input / Output Input / Output, @ 500VDC Vi nom, Io nom
3.3V & 5V output models 12V, 15V & dual output models
min.
1,500 100 -40 -40
typ.
250
max.
unit
KHz VDC M
+ 60 + 71 + 100
o o o
C C C
Operating at Vi nom, Io nom V i nom Non operational L40.6 x W50.8 x H10.2 Free air convection Metal See derating curve -40
% / oC + 100 C mm
o
INPUT SPECIFICATIONS
Characteristics
Input voltage range
Conditions
Ta min ... T max, Io nom a
min.
9 18 35
typ.
12 48 24 48 30 20 15
max.
18 36 75
unit
VDC VDC VDC mA
No load input current
Vi nom, Io = 0
12V models 24V models 48V models
Input voltage w/o damage
Io nom
12V models 24V models 48V models
20 40 80 8.5 16 33 VDC VDC VDC VDC
Startup voltage
Io nom
12V models 24V models 48V models
Input filter
Pi type
OUTPUT SPECIFICATIONS
Characteristics
Output voltage accuracy Minimum load Line regulation Load regulation Transient recovery time Temperature coefficient Ripple & noise Voltage trim range Efficiency www.chinfa.com 2008.09.23 Vi nom
Conditions
Vi nom, Io nom
single output models dual output models (each output)
min.
0 10
typ.
max.
2
unit
% % %
Io nom, Vi min ...Vi max
Vi nom, Io 0 ... Io nom, single output models Vi nom, Io min ... Io nom, dual output models
1 2 5 500 0.02 100 150 5 10 Up to 89%, See model list
% % % S %/C mV mV % %
o
Vi nom, Io 0 ...1/2 Io nom Vi nom, Io nom Vi nom, Io nom, 3.3V & 5V output models BW = 20MHz Vi nom
12V, 15V & dual
3.3V output models
5V, 12V, 15V & dual
Vi nom, Io nom, Po / Pi
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WDD30U SERIES
SINGLE & DUAL OUTPUT
SPECIFICATION
CONTROL AND PROTECTION
Remote ON / OFF Input reversed Output short circuit ON: opened or 8 ~ 10VDC applied, reference to input GND OFF: -0.3 ~ 2VDC applied, reference to input GND Shunt diode built in, external fuse recommended Continuous
APPROVALS AND STANDARD
UL/cUL TUV CE UL60950-1 EN60950-1 EN61204-3(Class A for EMI)
MECHANISM & PIN CONFIGURATION
mm [inch]
50.80 [2.00]
17.78 [0.70] 2.54 [0.10] 45.72 [1.80] 5.08 [0.20]
5
10.16 [0.40]
1 2 4 6
40.64 [1.60]
10.16 [0.4] 5.00 [0.20] DIA 1.00 [0.04]
5.08 [0.20] 10.16 [0.40] 7.62 [0.30]
10.16 [0.40]
7
10.16 [0.40]
8
BOTTOM VIEW
PHYSICAL CHARACTERISTICS
CASE SIZE CASE MATERIAL WEIGHT 40.6 x 50.8 x 10.2 mm 1.6 x 2 x 0.4 inches Metal 60 g
PIN ASSIGNMENT
GENERAL
PIN NO. SINGLE DUAL 1 Vi+ Vi+ 2 Vi Vi 4 S. D. S. D. 5 NO PIN Vo + 6 Vo + com 7 Vo Vo 8 Trim Trim
S.D. : REMOTE ON / OFF
DERATING
100 Power out [ % ]
12V, 15V & dual
NATURAL CONVECTION COOLING
3.3V & 5V
0 -40 www.chinfa.com 2008.09.23
60 Ambient Temperature [ C ]
o
71
100 sales@chinfa.com
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