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L4974A

Part Number	L4974A
Manufacturer	STMicroelectronics
Description	3.5A SWITCHING REGULATOR
Published	Mar 22, 2005
Detailed Description	® L4974A 3.5A SWITCHING REGULATOR . . . . . . . . . . . . . . 3.5A OUTPUT CURRENT 5.1V TO 40V OUTPUT VOLTAGE RANGE 0 ...
Datasheet	L4974A PDF File

Overview

® L4974A 3.
5A SWITCHING REGULATOR .
.
.
.
3.
5A 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 MULTIPOWER BCD TECHNOLOGY POWERDIP (16 + 2 + 2) ORDERING NUMBER : L4974A DESCRIPTION The L4974Aisa stepdownmonolithicpower switching regulator delivering 3.
5A at a voltage variable from 5.
1 to 40V.
Realized with BCD mixed te...

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