L4972A
2A SWITCHING REGULATOR
1 Features
■ 2A OUTPUT CURRENT ■ 5.1V TO 40V OUTPUT VOLTAGE RANGE ■ 0 TO 90% DUTY CYCLE RANGE ■ INTERNAL FEED-FORWARD LINE REG. ■ INTERNAL CURRENT LIMITING ■ PRECISE 5.1V ± 2% ON CHIP REFERENCE ■ RESET AND POWER FAIL FUNCTIONS ■ INPUT/OUTPUT SYNC PIN ■ UNDER VOLTAGE LOCK OUT WITH
HYSTERETIC TURN-ON ■ PWM LATCH FOR SINGLE PULSE...
