L4972AD, L4972, L4972A 2A SWITCHING REGULATOR,
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 PER PERIOD
VERY HIGH EFFICIENCY
SWITCHING FREQUENCY UP TO 200KHz
THERMAL SHUTDOWN
CONTINUOUS MODE OPERATION
