Datasheet > A7642

A7642

更新时间： 2024-11-24 01:14:35

品牌	Logo	应用领域
创瑞 - AITSEMI		DC-DC转换器
页数	文件大小	规格书
9页	315K
描述
DC-DC CONVERTER/BOOST PWM REGULATOR

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A7642 数据手册

A7642

DC-DC CONVERTER/BOOST (STEP-UP)

1MHz, 2A PWM REGULATOR

AiT Semiconductor Inc.

www.ait-ic.com

DESCRIPTION

FEATURES

A7642 is an asynchronous PWM boost converter

using a constant frequency peak current mode. An

external Schottky diode is needed. At light load,

A7642 works in the light load mode. The supply

current during the light mode is 100uA , together

with the 200mΩ internal NMOS power transistor

guarantees high efficiency in the whole output load

current range. Up to 2A peak current, Let A7642

can provide 1A output load current, which is

suitable to use as MID and mobile power supply.

The input voltage 3V~25V.The operating frequency

is internally set at 1MHz.



High Efficiency: Up to 92%

1.0MHz Constant Switching Frequency

Switch current up to 2A

Low R_DS(ON): 0.2Ω

Accurate Reference:0.6V

Tiny External Components

Available in SOT-26 Package

APPLICATION



WLED Drivers

Networking cards powered from PCI or PCI-express

slots



MID and Mobile Power

The A7642 is available in SOT-26 package.

TYPICAL APPLICATION

ORDERING INFORMATION

Package Type

SOT-26

Part Number

A7642E6R

A7642E6VR

V: Halogen free Package

R: Tape & Reel

Note

SPQ: 3,000/pcs

AiT provides all RoHS products

Figure 1. Basic Application Circuit with A7642

Suffix ꢀ V ꢀ means Halogen free Package

REV1.0

- JUN 2014 RELEASED -

- 1 -

12 3 4 5 6 7...9

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