Datasheet > XRAH-03HXX0

XRAH-03HXX0

更新时间： 2024-11-25 07:07:23

品牌	Logo	应用领域
BEL		转换器
页数	文件大小	规格书
9页	293K
描述
NON-ISOLATED DC/DC CONVERTERS

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中文翻译

获取价格

数据手册

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XRAH-03HXX0 数据手册

NON-ISOLATED DC/DC CONVERTERS

4.5 Vdc - 32 Vdc Input

1.2 Vdc - 5.0 Vdc/3 A Output

xRAH-03Hxx0 Series RoHS Compliant

Rev.B

•

Non-Isolated

High Efficiency

High Power Density

Excellent Thermal Performance

UL60950-1 Recognized (UL/cUL)

•

Remote On/Off

Input Under Voltage Lockout

OCP/SCP

Low Cost

Description

The Bel xRAH-03Hxx0 is part of the low cost non-isolated dc/dc power converter series. It is packaged in a

compact, overmolded package rated at 3 A. Optional lead forming provides a vertical mount product for minimal

footprint or a surface mount option for a very low profile. The output is closely regulated and the efficiency of 3.3

Vdc output is typically 90% at full load. Typical features include remote on/off, input under voltage lockout, over

current protection and short circuit protection.

Part Selection

Output

Voltage

5.0 V

Input Voltage

Max. Output

Current

3 A

Max. Output

Power

15 W

Typical

Efficiency

92%

Part Number

Surface Mount

SRAH-03H500

SRAH-03H330

SRAH-03H250

SRAH-03H180

SRAH-03H150

SRAH-03H120

Part Number

Vertical Mount

VRAH-03H500

VRAH-03H330

VRAH-03H250

VRAH-03H180

VRAH-03H150

VRAH-03H120

8.0 V - 32 V

4.9 V - 32 V

4.5 V - 32 V

3.3 V

2.5 V

1.8 V

1.5 V

3 A

10 W

7.5 W

5.4 W

4.5 W

90%

88%

85%

83%

1.2 V

3 A

3.6 W

81%

Notes: 1. Add “0” suffix at the end of the model number to indicate “Tube Packaging”, and “R” for “Reel

Packaging”, and “G” for “Tray Packaging”.

2. All part numbers above indicate RoHS 6. Change the second letter "R" to "7" for RoHS 5 part numbers.

Absolute Maximum Ratings

Parameter

Min

Typ

Max

34 V

12 V

85 °C

125 °C

Notes

Input Voltage (continuous)

Output Enable Terminal Voltage

Ambient Temperature

-0.3 V

-40 °C

Storage Temperature

Input Specifications

Parameter

Min

Typ

Max

Notes

Input Voltage

4.5 V

32 V

See “Part Selection” for more details.

Input Current (no load)

Input Current (full load)

Remote Off Input Current

Input Reflected Ripple Current

(pk-pk)

Input Reflected Ripple Current

(rms)

I²t Inrush Current Transient

Turn on Voltage Threshold ¹

Turn off Voltage Threshold ²

30 mA

4 mA

3 A

Tested with simulated source impedance of

500 nH, 5 Hz to 20 MHz and two

100 uF/50 V electrolytic capacitors and a 3.3

uF/50 V ceramic capacitor at the input.

200 mA

400 mA

100 mA

150 mA

0.02 A²s

4.1 V

0.1 A²s

4.5 V

3.3 V

4.0 V

Notes: 1. The max Turn on Voltage threshold of the 3.3 V & 5.0 V output module will be relaxed to 4.9 V & 8.0 V

respectively.

2. The max Turn off Voltage threshold of the 3.3 V output module will be relaxed to 4.5 V. The 5.0 V output

module does not have such function.

Bel Fuse Inc. 206 Van Vorst Street, Jersey City, NJ 07302 • Tel 201-432-0463 • Fax 201-432-9542 • www.belfuse.com

12 3 4 5 6 7...9

中文翻译

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