L4972A Datasheet (PDF) Download
STMicroelectronics
L4972A

Description

The L4972A is a stepdown monolithic power switching regulator delivering 2A at a voltage variable from 5.1 to 40V.

Key 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
  • PWM LATCH FOR SINGLE PULSE PER