Datasheet > ACT8750

ACT8750

更新时间： 2022-04-23 23:00:11

品牌	Logo	应用领域
技领 - ACTIVE-SEMI		便携式便携式设备
页数	文件大小	规格书
2页	98K
描述
Six Channel Integrated Power Management IC for Handheld Portable Equipment

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ACT8750 数据手册

ACT8750

Product Brief, 09-Nov-07

Advanced Information - All Information Subject to Change

Six Channel Integrated Power Management IC

for Handheld Portable Equipment

FEATURES

GENERAL DESCRIPTION

The patent-pending ACT8750 is a complete, cost-

effective, highly-efficient ActivePMU^TMpower man-

agement solution that is ideal for a wide range of

portable handheld equipment. This device inte-

grates two PWM step-down DC/DC converters, one

step-up DC/DC converter with over-voltage protec-

tion (OVP) for WLED bias, and three low dropout

linear regulators (LDOs) into a single, thin, space-

saving package.

• Multiple Patents Pending

• Six Integrated Regulators

− 350mA PWM Step-Down DC/DC

− 550mA PWM Step-Down DC/DC

− Step-Up DC/DC with OVP for WLED Bias

− 150mA Low Noise LDO

REG1 and REG2 are fixed-frequency, current-mode

PWM step-down DC/DC converters that are opti-

mized for high efficiency and are capable of supply-

ing up to 350mA and 550mA, respectively. REG3 is

a fixed-frequency, step-up DC/DC converter that

safely and efficiently biases a string of up to seven

white-LEDs for backlighting applications. The three

LDOs are low noise, high PSRR linear regulators

capable of supplying up to 150mA each.

• Minimal External Components

• 4x4mm, Thin-QFN (TQFN44-24) Package

− Only 0.75mm Height

− RoHS Compliant

APPLICATIONS

• Portable Devices and PDAs

The ACT8750 is available in a tiny 4mm x 4mm

24-pin Thin-QFN package that is just 0.75mm thin.

• Wireless Handhelds

• DMB Enabled Devices

• GPS Receivers, etc.

SYSTEM BLOCK DIAGRAM

Innovative Products. Active Solutions.

ActivePMU^TMis a trademark of Active-Semi.

- 1 -

www.active-semi.com

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