Datasheet4U Logo Datasheet4U.com

L4974A - 3.5A SWITCHING REGULATOR

Description

The L4974Aisa stepdownmonolithicpower switching regulator delivering 3.5A at a voltage variable from 5.1 to 40V.

Realized with BCD mixed technology, the device uses a DMOS output transistor to obtain very high efficiency and very fast switching times.

Features

  • of BLOCK.

📥 Download Datasheet

📁 Similar Datasheet

Part Number Description Manufacturer
L4937 Dual Low Drop Fixed Output Linear Regulator ETC
L493EC T-1 3/4 (5mm) CYLINDRICAL LED LAMPS ETC
L493GC T-1 3/4 (5mm) CYLINDRICAL LED LAMPS ETC
L493GT T-1 3/4 (5mm) CYLINDRICAL LED LAMPS ETC
L493IT T-1 3/4 (5mm) CYLINDRICAL LED LAMPS ETC

Other Datasheets by STMicroelectronics

Part Number Description
L497 HALL EFFECT PICKUP IGNITION CONTROLLER
L4970A 10A SWITCHING REGULATOR
L4971 1.5A STEP DOWN SWITCHING REGULATOR
L4972A 2A SWITCHING REGULATOR
L4972AD 2A SWITCHING REGULATOR

Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

View original datasheet text
® 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.
Published: |