DESCRIPTION

The L4963 is a monolithic power switching regulator delivering 1.5A at 5.1V. The output voltage is adjust able from 5.1V to 36V, working in discontinuous variable frequency mode. Features of the device include remote inhibit, internal current limiting and thermal protection, reset and power fail outputs for microprocessor.

■ 1.5A OUTPUT LOAD CURRENT

■ 5.1 TO 36V OUTPUT VOLTAGE RANGE

■ DISCONTINUOUS VARIABLE FREQUENCY MODE

■ PRECISE (+/–2) ON CHIP REFERENCE

■ VERY HIGH EFFICIENCY

■ VERY FEW EXTERNAL COMPONENTS

■ NO FREQ. COMPENSATION REQUIRED

■ RESET AND POWER FAIL OUTPUT FOR MICROPROCESSOR

■ INTERNAL CURRENT LIMITING

■ THERMAL SHUTDOWN