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L4974A Datasheet - STMicroelectronics

L4974A - 3.5A SWITCHING REGULATOR

® L4974A 3.5A SWITCHING REGULATOR .

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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

L4974A Features

* of BLOCK DIAGRAM the L4974A include reset and power fail for microprocessors, feed forward line regulation, soft start, limiting current and thermal protection. The device is mountedin a Powerdip16 + 2 + 2 plastic package and requires few external components. Efficient operation at switching freque

L4974A_STMicroelectronics.pdf

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Datasheet Details

Part number:

L4974A

Manufacturer:

STMicroelectronics ↗

File Size:

327.49 KB

Description:

3.5a switching regulator.

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