General Description

APW7323/A is a synchronous buck converters with integrated 85mW high side and 75mWlow side power

MOSFET s. The APW7323/A with a current-mode control scheme can convert wide input voltage of 2.9V to 6V to the output voltage adjustable from 0.8V to 6V to provide excellent output voltage regulation.

Features

• High Efficiency up to 94

• Adjustable Output Voltage from 0.8V to VPVDD

• Operating from 2.9 to 6V Supply

• Integrated 85mWHigh Side / 75mWLow Side MOSFETs

• Low Dropout Operation: 100 Duty Cycle

• Stable with Low ESR Ceramic Capacitors

• Current up to 3.2A

• Power-On-Reset Detection on VCC and VIN

• Model Selection :

APW7323 : Automatic PFM/PWM

APW7323A : Forced PWM

• Integrate Soft-Start and Soft-Stop

• Over-Temperature Protection

• Over-Voltage Protection

• Under-Voltage Protection

• High/ Low Side Current Limit

• Power Good Indication

• Enable/Shutdown Function

• Available in SOP-8P and TDFN3x3-10 Package

• Lead Free and Green Devices Available (RoHS Compliant)

Applications

• Notebook Computer & UMPC

• LCD Monitor/TV

• Set-Top Box

• DSL, Switch HUBr

• Portable Instrument