General Description

APW7153/A/B is a 3A synchronous buck converter with integrated 110mW power MOSFETs. The APW7153/A/B is designed with a current-mode control scheme; it can convert wide input voltage of 2.6V to 5.5V to the output voltage adjustable from 0.8V to 5.5V to provide excellent output voltage regulation.

Features

· High Efficiency up to 95

- PFM/PWM Mode Operation

· Adjustable Output Voltage from 0.8V to VIN

· Integrated 110mW High/Low Side MOSFET

· Programmable Switching Frequency: 300kHz to 2MHz

· Low Dropout Operation: 100 Duty Cycle

· Stable with Low ESR Capacitors

· Power-On-Reset Detection on VDD and PVDD

· Integrate Soft-Start and Soft-Off

· Over-Temperature Protection

· Over-Voltage Protection

· Under-Voltage Protection

· High/Low Side Current-Limit

· Power Good Indicator (APW7153A/B)

· Enable/Shutdown Function

· Small TDFN3x3-10 and SOP-8P Packages

· Lead Free and Green Devices Available (RoHS Compliant)

Applications

· LCD Minitor/TV

· Set-Top Box

· DSL, Switch HUB

· Notebook Computer

· Portable Instrument