DESCRIPTION

The ST750A is an adjustable output CMOS, step-down switching regulator. The ST750A accepts inputs between 4V and 11V and delivers 450mA. Typical efficiencies are 85 to 96.

■ UP TO 450mA LOAD CURRENTS

■ 200kHz HIGH-FREQUENCY CURRENT-MODE PWM

■ 85 TO 96 EFFICIENCIES

■ 33µH OR 100µH PRE-SELECTED INDUCTOR VALUE, NO COMPONENT DESIGN REQUIRED

■ 0.8mA QUIESCENT CURRENT

■ 0.3µA SHUTDOWN SUPPLY CURRENT

■ ADJUSTABLE OUTPUT VOLTAGE

■ OVERCURRENT, SOFT-START AND UNDERVOLTAGE LOCKOUT PROTECTION

■ CYCLE-BY-CYCLE CURRENT LIMITING

■ PACKAGE AVAILABLE : DIP- 8 AND SO - 8