Datasheet > ACT8934A

ACT8934A

更新时间： 2024-11-19 12:24:03

品牌	Logo	应用领域
技领 - ACTIVE-SEMI		/
页数	文件大小	规格书
45页	768K
描述
Advanced PMU for Samsung S3C2416/S3C2450

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ACT8934A 数据手册

ACT8934A

Rev 1, 22-Oct-12

Advanced PMU for Samsung S3C2416/S3C2450

FEATURES

GENERAL DESCRIPTION

The ACT8934A is a complete, cost effective, highly-

• Optimized for Samsung S3C2416/S3C2450

efficient ActivePMU^TMpower management solution,

optimized for the unique power, voltage-

sequencing, and control requirements of the

Samsung S3C2416/S3C2450 processors.

Processors

• Three Step-Down DC/DC Converters

• Four Low-Dropout Linear Regulators

• Integrated ActivePath^TMCharger

• I²C^TMSerial Interface

• Advanced Enable/Disable Sequencing Controller

• Minimal External Components

This device features three step-down DC/DC

converters and four low-noise, low-dropout linear

regulators, along with a complete battery charging

solution featuring the advanced ActivePath^TM

system-power selection function.

• Tiny 5×5mm TQFN55-40 Package

− 0.75mm Package Height

− Pb-Free and RoHS Compliant

The three DC/DC converters utilize

a high-

efficiency, fixed-frequency (2MHz), current-mode

PWM control architecture that requires a minimum

number of external components. Two DC/DCs are

capable of supplying up to 900mA of output current,

while the third supports up to 700mA. All four low-

dropout linear regulators are high-performance,

low-noise regulators that supply up to 150mA,

150mA, 250mA, and 250mA, respectively.

The ACT8934A is available in a compact, Pb-Free

and RoHS-compliant TQFN55-40 package.

TYPICAL APPLICATION DIAGRAM

ACT8934A

Innovative Power^TM

www.active-semi.com

- 1 -

ActivePMU^TMand ActivePath^TMare trademarks of Active-Semi.

I²C^TMis a trademark of NXP.

12 3 4 5 6 7...45

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