|
Details, datasheet, quote on part number:WDD20-12S3
| |
Datasheet text preview:
WDD20 SERIES
DC - DC CONVERTER 15 ~ 20W 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 VO LTAG E
9~18 VDC 9~18 VDC 9~18 VDC 9~18 VDC 18~36 VDC 18~36 VDC 18~36 VDC 18~36 VDC 36~72 VDC 36~72 VDC 36~72 VDC 36~72 VDC
OUTPUT OUTPUT WATTA GE VO LTAG E Single Output Models
15 WATTS 20 WATTS 20 WATTS 20 WATTS 15 WATTS 20 WATTS 20 WATTS 20 WATTS 15 WATTS 20 WATTS 20 WATTS 20 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
4500 mA 4000 mA 1670 mA 1330 mA 4500 mA 4000 mA 1670 mA 1330 mA 4500 mA 4000 mA 1670 mA 1330 mA
EFF. (typ.)
80% 83% 86% 87% 80% 85% 86% 88% 80% 85% 87% 88%
EFF. (min.)
77% 81% 84% 85% 78% 83% 84% 86% 78% 83% 85% 86%
WDD20 - 03S1 WDD20 - 05S1 WDD20 - 12S1 WDD20 - 15S1 WDD20 - 03S2 WDD20 - 05S2 WDD20 - 12S2 WDD20 - 15S2 WDD20 - 03S3 WDD20 - 05S3 WDD20 - 12S3 WDD20 - 15S3
Dual Output Models
WDD20 - 12D1 WDD20 - 15D1 WDD20 - 12D2 WDD20 - 15D2 WDD20 - 12D3 WDD20 - 15D3 9~18 VDC 9~18 VDC 18~36 VDC 18~36 VDC 36~72 VDC 36~72 VDC 20 WATTS 20 WATTS 20 WATTS 20 WATTS 20 WATTS 20 WATTS 12 VDC 15 VDC 12 VDC 15 VDC 12 VDC 15 VDC 830 mA 670 mA 830 mA 670 mA 830 mA 670 mA 85% 87% 87% 88% 87% 89% 83% 85% 85% 86% 85% 87%
www.chinfa.com
sales@chinfa.com
WDD20 SERIES
SINGLE & DUAL OUTPUT
CIRCUIT SCHEMATIC
B l o c k diagram for WDD20 series with single output
Vi +
Vo +
Switching Device
Re c t i f i e r
Vi PWM Controller O N / OFF Opto Isolation Re f e r e n c e & E r r o r Amp.
Vo -
Tr i m
B l o c k diagram for WDD20 series with dual output
Vi + Re c t i f i e r Switching Device Re c t i f i e r Vi -
Vo +
com
Vo -
PWM Controller
Opto Isolation
Re f e r e n c e & E r r o r Amp.
Tr i m
O N / OFF
www.chinfa.com
sales@chinfa.com
WDD20 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 M.T.B.F. Dimension Cooling Case material
Conditions
V i nom, Io nom I n p u t / Output I n p u t / Output, @ 500VDC V i nom, I o nom
3 . 3 V & 5V output models 1 2 V, 15V & dual output models
min.
1,500 100 -25 -25
typ.
180
max.
unit
KHz VDC M
+ 60 + 71 + 100
o o o
C C C C
O p e r a t i n g at Vi nom, Io nom Vi nom N o n operational A c c o r d i n g to MIL-HDBK-217F, GF40 L40.6 x W50.8 x H10.2 Free air convection Metal S e e derating curve -40 277,000
% / oC + 100
o
Hrs mm
INPUT SPECIFICATIONS
Characteristics
Input voltage range
Conditions
Ta min ... T max, Io nom a
min.
9 18 36
typ.
12 48 24 48
max.
18 36 72 20 15 10 20 40 75
unit
VDC VDC VDC mA mA mA VDC VDC VDC VDC VDC VDC
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
Startup voltage
Io nom
12V models 24V models 48V models
8.5 15 33
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 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 % / oC mV mV % % sales@chinfa.com
Vi nom, Io 0 ...1/2 Io nom Vi nom, Io nom Vi nom, Io nom, 3.3V & 5V output models BW = 20MHz 12V, 15V & dual Vi nom
3.3V output models
5V, 12V, 15V & dual
Vi nom, Io nom, Po / Pi
|
|
