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WRA-YHD-3W Datasheet, PDF (1/3 Pages) Microdc power Technology Co., Ltd – 3W,WIDEINPUT, ISOLATED®ULATEDDUAL/SINGLEOUTPUTDC-DCCONVERTER | |||
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WRA-YHD-3W&WRB-YHD-3W Series
3W, WIDE INPUT, ISOLATED & REGULATED DUAL/SINGLE OUTPUT DC-DC CONVERTER
FEATURES
â3 WATTS REGULATED OUTPUT POWER
âOUTPUT CURRENT UP TO 600mA
âSTANDARD 31.8 X 20.3X 10.2mm
âHIGH EFFICIENCY UP TO 80%
â2:1 WIDE INPUT VOLTAGE RANGE
âSWITCHING FREQUENCY (100KHz, MIN)
âINCLUDE 3.3VDC OUTPUT
âSTANDARD 24 PIN DIP PACKAGE &
SYMMETRIC PIN LAYOUT
âDUAL SEPARATE OUTPUT
âCE MARK MEETS 2006/95/EC, 93/68/EEC AND 2004/108/EC
âUL60950-1, EN60950-1 AND IEC60950-1 LICENSED
âISO9001 CERTIFIED MANUFACTURING FACILITIES
âCOMPLIANT TO RoHS EU DIRECTIVE 2002/95/EC
MODEL SELECTION
WRAâ 24â¡15â¢Y⣠HDâ¤-3W(100)â¥
â Product Series
â¡Input Voltage
â¢Output Voltage â£2:1Wide Input Volage Range
â¤Symmetric pin layout DIP24 Package Style
â¥Rated Power(Output current)
APPLICATIONS
The WRA-YHD-3W & WRB-YHD-3W series
offer 3 watts of output power from a package in
an IC compatible 24pin DIP configuration
without derating to 71ºC ambient temperature.
WRA-YHD-3W & WRB-YHD-3W series have
2:1 wide input voltage of 4.5-6, 9-18, 18-36 and
36-75VDC.
.
MICRODC reserves the copyright
OUTPUT SPECIFICATIONS
Output power
Voltage accuracy
Full load and nominal Vin
3 Watts, max.
±1%
Minimum load (Note 7)
Line regulation
LL to HL at Full Load
Load regulation
Min Load to Full Load
Single
Dual
3.3Vout
Others
See table
±0.2%
±0.3%
±0.2%
±2%
Cross regulation (Dual) Asymmetrical load 25% / 100% FL
Ripple and noise
20MHz bandwidth
± 5%
See table
Temperature coefficient
±0.02% / ºC, max.
Transient response recovery time 25% load step change
500μS
Over load protection % of FL at nominal input
180%, typ.
Short circuit protection
GENERAL SPECIFICATIONS
Continuous, automatics recovery
Efficiency
Isolation voltage
Isolation resistance
Isolation capacitance
Input to Output
See table
1600VDC, min.
109ohms, min.
300pF, max.
Switching frequency
100KHz, min.
Approvals and standard
IEC60950-1, UL60950-1, EN60950-1
Case material
Base material
Non-conductive black plastic
Non-conductive black plastic
Potting material
Dimensions
Epoxy (UL94-V0)
1.25 X 0.80 X 0.40 Inch
(31.8 X 20.3 X 10.2 mm)
Weight
DIP24
14g
MTBF (Note 1)
MIL-HDBK-217F
3.018 x 106hrs
*IINnpuPt vUolTtageScaPnâEt eCxcIeeFd IthCis AvalTueI,oOr wNillScause the permanent damage.
Input voltage range
5V nominal input
12V nominal input
24V nominal input
48V nominal input
4.5â6VDC
9â18VDC
18â36VDC
36â75VDC
Input filter
Pi type
Input reflected ripple current Nominal Vin and full load
120mAp-p
Start up time
Nominal Vin and
constant resistive load
Power up
ENVIRONMENTAL SPECIFICATIONS
30mS, typ.
Operating ambient temperature
-25ºC ~ +71ºC(non derating)
Storage temperature range
-55ºC ~ +105ºC
Thermal shock
MIL-STD-810F
Vibration
MIL-STD-810F
Relative humidity
EMC CHARACTERISTICS
5% to 95% RH
EMI
EN55022
Class A
ESD
EN61000-4-2
Air
Contact
±8KV
±6KV
Perf. Criteria A
Radiated immunity
EN61000-4-3
10 V/m Perf. Criteria A
Fast transient (Note 6)
EN61000-4-4
±2KV Perf. Criteria B
Surge (Note 6)
EN61000-4-5
±1KV Perf. Criteria B
Conducted immunity
EN61000-4-6
10 Vr.m.s Perf. Criteria A
*Input voltage canât exceed this value,or will cause the permanent damage.
http://www.microdc.cn Technical Enquiries-Email:tech@microdc.cn Tel:0086-20-86000646 Page 1 of 3
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