Datasheet > WRA1212YMD-20W

WRA1212YMD-20W

更新时间： 2024-02-24 19:51:29

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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数据手册

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WRA1212YMD-20W 数据手册

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

1937

957

±12

± 15

±12

± 15

±12

± 15

±835

± 665

± 835

± 665

± 835

± 665

±470

± 330

± 470

± 330

± 470

± 330

FEATURES

◆Efficiency up to 87%

18-36

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

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