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WRA-YHD-3W Datasheet, PDF (1/3 Pages) Microdc power Technology Co., Ltd – 3W,WIDEINPUT, ISOLATED®ULATEDDUAL/SINGLEOUTPUTDC-DCCONVERTER
WRA-YHD-3W&WRB-YHD-3W Series
3W, WIDE INPUT, ISOLATED & REGULATED DUAL/SINGLE OUTPUT DC-DC CONVERTER
FEATURES
◆3 WATTS REGULATED OUTPUT POWER
◆OUTPUT CURRENT UP TO 600mA
◆STANDARD 31.8 X 20.3X 10.2mm
◆HIGH EFFICIENCY UP TO 80%
◆2:1 WIDE INPUT VOLTAGE RANGE
◆SWITCHING FREQUENCY (100KHz, MIN)
◆INCLUDE 3.3VDC OUTPUT
◆STANDARD 24 PIN DIP PACKAGE &
SYMMETRIC PIN LAYOUT
◆DUAL SEPARATE OUTPUT
◆CE MARK MEETS 2006/95/EC, 93/68/EEC AND 2004/108/EC
◆UL60950-1, EN60950-1 AND IEC60950-1 LICENSED
◆ISO9001 CERTIFIED MANUFACTURING FACILITIES
◆COMPLIANT TO RoHS EU DIRECTIVE 2002/95/EC
MODEL SELECTION
WRA①24②15③Y④ HD⑤-3W(100)⑥
①Product Series
②Input Voltage
③Output Voltage ④2:1Wide Input Volage Range
⑤Symmetric pin layout DIP24 Package Style
⑥Rated 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 vUolTtageScaPn’Et eCxcIeeFd IthCis AvalTueI,oOr wNillScause the permanent damage.
Input voltage range
5V nominal input
12V nominal input
24V nominal input
48V nominal input
4.5–6VDC
9–18VDC
18–36VDC
36–75VDC
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 can’t exceed this value,or will cause the permanent damage.
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