ACT8937QJ2PQ-T datasheet(1/44 Pages) ACTIVE-SEMI

Part #	ACT8937QJ2PQ-T

Description	Advanced PMU for Samsung S5PC100, S5PC110 and S5PV210 Processors

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Manufacturer	ACTIVE-SEMI [Active-Semi, Inc]

Direct Link	http://www.active-semi.com

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www.active-semi.com

ActivePMU

TM and ActivePathTM are trademarks of Active-Semi.

I2CTM is a trademark of NXP.

Innovative PowerTM

Active-Semi Proprietary―For Authorized Recipients and Customers

Rev 0, 21-Sep-10

ACT8937

Advanced PMU for Samsung S5PC100, S5PC110 and S5PV210 Processors

FEATURES

• Optimized for Samsung S5PC100, S5PC110 and

S5PV210 Processors

• Three Step-Down DC/DC Converters

• Four Low-Dropout Linear Regulators

• Integrated ActivePathTM Charger

• I2CTM Serial Interface

• Advanced Enable/Disable Sequencing Controller

• Minimal External Components

• Tiny 5×5mm TQFN55-40 Package

− 0.75mm Package Height

− Pb-Free and RoHS Compliant

GENERAL DESCRIPTION

The ACT8937 is a complete, cost effective, highly-

efficient ActivePMUTM power management solution,

optimized

for

the

unique

power,

voltage-

sequencing, and control requirements of the

Samsung S5PC100, S5PC110 and S5PV210

processors.

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 ActivePathTM

system-power selection function.

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 1100mA of output

current, while the third supports up to 1200mA. All

four low-dropout linear regulators are high-

performance, low-noise, regulators that supply up to

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

The ACT8937 is available in a compact, Pb-Free

and RoHS-compliant TQFN55-40 package.

TYPICAL APPLICATION DIAGRAM

®

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ACT8937QJ2PQ-T Datasheet(PDF) 1 Page - Active-Semi, Inc

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