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