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L4977A
7A SWITCHING
REGULATOR
7A OUTPUT CURRENT 5.
1V TO 40V OUTPUT VOLTAGE RANGE 0 TO 90% DUTY CYCLE RANGE INTERNAL FEED-FORWARD LINE REGULATION INTERNAL CURRENT LIMITING PRECISE 5.
1V ± 2% ON CHIP REFERENCE RESET AND POWER FAIL FUNCTIONS SOFT START 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 500KHz THERMAL SHUTDOWN CONTINUOUS MODE OPERATION DESCRIPTION The L4977A is a stepdown monolithic power switching
regulator delivering 7A at a voltage variable from 5.
1 to 40V.
BLOCK DIAGRAM
MULTIPOWER BCD TECHNOLOGY
Multiwatt15V ORDERING NUMBER: L4977A
Realized with BCD mixed technology, ...