MC33163P

3.4 A，步上/下/反相开关稳压器 3.4 A, Step−Up/Down/Inverting Switching Regulators

The MC34163 series are monolithic power switching regulators that contain the primary functions required for dc−to−dc converters. This series is specifically designed tobe incorporated in step−up,

step−down, and voltage−inverting applications with a minimum number of external components.

Features

•Output Switch Current in Excess of 3.0 A

•Operation from 2.5 V to 40 V Input

•Low Standby Current

•Precision 2% Reference

•Controlled Duty Cycle Oscillator

•Driver with Bootstrap Capability for Increased Efficiency

•Cycle−by−Cycle Current Limiting

•Internal Thermal Shutdown Protection

•Low Voltage Indicator Output for Direct Microprocessor Interface

•Heat Tab Power Package