Datasheet4U Logo Datasheet4U.com

L4974A Datasheet - STMicroelectronics

L4974A 3.5A SWITCHING REGULATOR

® 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 .

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 Datasheet (327.49 KB)

Preview of L4974A PDF
L4974A Datasheet Preview Page 2 L4974A Datasheet Preview Page 3

Datasheet Details

Part number:

L4974A

Manufacturer:

STMicroelectronics ↗

File Size:

327.49 KB

Description:

3.5a switching regulator.

📁 Related Datasheet

L497 HALL EFFECT PICKUP IGNITION CONTROLLER (STMicroelectronics)

L4970A 10A SWITCHING REGULATOR (STMicroelectronics)

L4971 1.5A STEP DOWN SWITCHING REGULATOR (STMicroelectronics)

L4972A 2A SWITCHING REGULATOR (STMicroelectronics)

L4972AD 2A SWITCHING REGULATOR (STMicroelectronics)

L4973 3.5A step down switching regulator (STMicroelectronics)

L4973D3.3 3.5A STEP DOWN SWITCHING REGULATOR (STMicroelectronics)

L4973D5.1 3.5A STEP DOWN SWITCHING REGULATOR (STMicroelectronics)

TAGS

L4974A 3.5A SWITCHING REGULATOR STMicroelectronics

L4974A Distributor