Datasheet > WR48D12/1250U

WR48D12/1250U

更新时间： 2024-11-20 08:08:19

品牌	Logo	应用领域
其他 - ETC		转换器
页数	文件大小	规格书
2页	40K
描述
30 Watt Wide input DC/DC converters

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数据手册

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WR48D12/1250U 数据手册

WR-U SERIES

Single and dual output

• 30 Watts output powe r

• UL approve d (48V input mode ls )

• 2:1 input range

• Efficie ncy to 86%

• Is olate d outputs

The WR-U series DC/DC converters accept a wide input voltage range of 9 to

18VDC, 18 to 36VDC, and 36 to 72VDC. A 100kHz switching regulator produces

operating efficiencies as high as 86% with output loads as light as 25% of full

load. These 30 Watt models provide for remote sensing, input/output isolation of

500VDC minimum, and short circuit protection. The WRU Series incorporates

six sided continuous EMI/RFI shielding. The “U” package measures 2.56 x 4.56

x 0.83 inches and is PCB mountable. Other pertinent specifications include:

overvoltage protection on all outputs, operating temperature range of –25°C to

71°C with no derating required and all models are free-air convection cooled.

[ 2 YEAR WARRANTY ]

SPECIFICATION ^{All specifications are typical at nominal input, full load at 25°C unless otherwise stated}

OUTPUT SPECIFICATIONS

INPUT SPECIFICATIONS CONTINUED

Voltage accuracy

±1.0%

±10% , max.

Yes

Remote ON/OFF

Logic compatibility

E_c-ON

CMOS or open collector TTL

Voltage adjustability

Remote sense

Singles

+5.5VDC min. or open-circuit

max. 1.8VDC

E_c-OFF

Singles

Shutdown idle current

Input resistance

Control common

5mA

0VDC <Ein< 9VDC; 100kΩ

Referenced to input minus

Line regulation

LL-HL, all outputs

±0.2% , max.

Load regulation

FL-NL

±5.0% , max.

±1.0% , max.

GENERAL SPECIFICATIONS

FL-0.25% FL

Efficiency

Typical

Input/Output

75% to 86%

Voltage balance

Ripple and noise

Duals

±2.0%

Isolation voltage

See Note 5

500VDC

250VDC

5Hz to 20MHz

75mV pk-pk

10mV rms, max.

Input/Case

Switching frequency

Fixed

100kHz

UL1950

Transient response

25% step load

change

±1.0% error band

500µs rec.

Approvals and

standards

Safety

Temperature coefficient

±0.02% /°C, max.

Case material

Black coated copper with

non-conductive base

Overvoltage protection Single +5V output

6.8V ±10%

18.0V ±10%

Single +12 and+15V

Duals

Material flammability

Weight

UL94V-0

390g (13.77oz)

840,000 hours

Short circuit protection

Continuous

automatic recovery

MTBF

See Note 6

INPUT SPECIFICATIONS

ENVIRONMENTAL SPECIFICATIONS

Input voltage range

12VDC

24VDC

48VDC

9 to 18VDC

18 to 36VDC

36 to 72VDC

Thermal performance

Operating ambient

-25°C to +71°C

Non-operating amb. -55°C to +105°C

Case, temp. rise

Derating

Cooling

+30°C at FL max.

None required

Free-air convection cooled

No load input current

12VDC

24VDC

48VDC

30mA

25mA

20mA

Relative humidity

Altitude

Non-condensing

5% to 95% RH

Input filter

See Note 7

Single outputs

Dual outputs

Pi filter

Low ESR cap

Operating

Non operating

10,000 feet max.

40,000 feet max.

Reverse voltage

protection

Internal shunt diode

(Use external fuse)

Vibration, Pressure

5Hz to 500Hz

2.5G rms (approx.)

2000

The information and specifications contained in this data sheet are believed to be correct at time of publication. However, Artesyn Technologies accepts no responsibility for consequences arising

from printing errors or inaccuracies. Specifications are subject to change without notice. No rights under any patent accompany the sale of any such product(s) or information contained herein.

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