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WRA1212YMD-20W PDF预览

WRA1212YMD-20W

更新时间： 2024-11-30 11:46:27
品牌 Logo 应用领域
MICRODC 转换器输出元件输入元件DC-DC转换器
页数 文件大小 规格书
3页 654K
描述
20W, WIDE INPUT, ISOLATED®ULATED DUAL OUTPUTDC-DC CONVERTER

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WRA1212YMD-20W 数据手册

 浏览型号WRA1212YMD-20W的Datasheet PDF文件第2页浏览型号WRA1212YMD-20W的Datasheet PDF文件第3页 
WRA-YMD-20W Series  
20W, WIDE INPUT, ISOLATED&REGULATED DUAL OUTPUTDC-DC CONVERTER  
SELECTION GUIDE  
Input  
Output  
Efficiency  
(%)  
Capacitor  
Load (uF)  
Current  
No Load  
(mA)  
Current  
Full Load  
(mA)  
Order code  
Voltage  
(VDC)  
Voltage  
(VDC)  
Current  
(mA)  
WRA1212YMD-20W  
WRA1215YMD-20W  
WRA2412YMD-20W  
WRA2415YMD-20W  
WRA4812YMD-20W  
WRA4815YMD-20W  
9-18  
9-18  
30  
30  
30  
30  
20  
20  
1937  
1937  
957  
±12  
± 15  
±12  
± 15  
±12  
± 15  
±835  
± 665  
± 835  
± 665  
± 835  
± 665  
89  
89  
90  
90  
90  
89  
±470  
± 330  
± 470  
± 330  
± 470  
± 330  
FEATURES  
◆Efficiency up to 87%  
18-36  
18-36  
36-75  
36-75  
957  
◆Wide (2:1)Input Range  
478  
◆1500 VDC I/O Isolation  
484  
*Input voltage can’t exceed this value, or will cause the permanent damage.  
◆Short Circuit Protection (automatic recovery)  
◆Operating Temperature: -40°C to+85°C  
◆Internal SMD construction  
◆Metal Shielding Package  
Input Specifications  
◆Reg. Dual Output  
Voltage Range  
2:1 Wide Input  
Input Filter  
PI Type  
◆MTBF>1,000,000 hours  
Input Reflected Ripple Current¹  
Start up Time (Nom. Vin and constant resistive load)  
20 mA pk-pk  
20mS, typ.  
◆Soft Start and Remote Ctrl.  
◆Over Voltage/Current Protection  
◆RoHS Compliance  
Output Specifications  
Voltage Accuracy  
± 1%  
Voltage Adjustability (Trim–only Single Output)  
Short Circuit Protection  
± 10%, max.  
Indefinite (Hiccup, Automatic Recovery)  
140% of max. Iout  
± 0.2%  
Over Current Protection  
Line Regulation  
MODEL SELECTION  
①
②
③
④
⑤
⑥
Load Regulation (0% - 100%)  
Cross Regulation³ (Dual Output)  
Ripple and Noise (20Mhz bandwidth)  
Temperature Coefficient  
± 1% (Dual)  
WRA 12 12 Y MD -20W(835)  
± 5%  
75 mV pk-pk  
①Product Series  
③Output Voltage  
⑤package style  
②Input Voltage  
④Wide (2:1) Input Range  
± 0.02% /°C  
250us, typ.  
Transient Recovery Time4  
Transient Response Deviation4  
⑥Rated Power(Output current)  
± 3%, max.  
General Specifications  
Efficiency  
See Table  
I/O Isolation Voltage (3 sec.)  
I/O Isolation Capacitance  
I/O Isolation Resistance  
Switching Frequency  
1500 VDC  
1200 pF, typ.  
1000 M Ohm  
330 kHz, typ.  
95% rel H  
APPLICATIONS  
The WRA-YMD-20W series is a family of cost effective 20 W,  
dual output DC/DC converters with a wide 2:1 Input. These  
converters are encapsulated in nickel coated copper2 ″ x1 ″  
case with high performance technology like active clamp, high  
efficiency operation and output voltage accuracy of ± 1%  
maximum. Precise controlled design provides tight line / load  
regulation .  
Humidity  
Reliability Calculated MTBF (MIL-HDBK-217F)  
> 0.684 Mhrs  
Physical Specifications  
Case Material  
Potting Material  
Weight  
Nickel Coated Copper  
Epoxy (UL94V-0 rated)  
~ 30g, typ.  
Environment Specifications  
Operating Temperature  
Maximum Case Temperature  
Storage Temperature  
Cooling  
-40 to +71°C (ambient)  
100°C  
-40 to +125°C  
Free Air Convection  
RoHS Conform  
Soldering 260°C, max. (1.5mm from case 10s.)  
MICRODC reserves the copyright  
http://www.microdc.cn Technical Enquiries-Email:tech@microdc.cn Tel:0086-20-86000646  
Page 1 of 3  
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