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See Technical Specifications

L4978D +BOM

2A Step down switching regulator

Manufacturer:

Stmicroelectronics
Mfr.Part #:

L4978D
Datasheet:

L4978D Datasheet (PDF)
Input Voltage Min Volt:

8.0
Input Voltage Max Volt:

55.0
Operating Temp Min Celsius:

-40.0
Operating Temp Max Celsius:

150.0
EDA/CAD Models:

Request Free CAD Models for L4978D

L4978D General Description

The L4978D is a cutting-edge power switching regulator that combines high efficiency, fast switching speeds, and robust protection features in a compact package. With a maximum output current of 2A and the ability to deliver voltages between 3.3V and 50V, this device is well-suited for a wide range of applications. Its integrated D-MOS transistor with low Rdson ensures minimal power loss and optimal performance. The L4978D also offers advanced features such as pulse-by-pulse current limiting, hiccup mode for short circuit protection, and thermal shutdown for added reliability

Key Features

PROTECTION AGAINST FEEDBACK DISCONNECTION
INHIBIT FOR ZERO CURRENT CONSUMPTION
SOFT START FUNCTION
THERMAL SHUTDOWN
ZERO LOAD CURRENT OPERATION
VOLTAGE FEEDFORWARD
UP TO 2A STEP DOWN CONVERTER
PRECISE 3.3V (±1%) INTERNAL REFERENCE VOLTAGE
OPERATING INPUT VOLTAGE FROM 8V TO 55V
SWITCHING FREQUENCY ADJUSTABLE UP TO 300KHz
INTERNAL CURRENT LIMITING (PULSE-BYPULSE AND HICCUP MODE)
OUTPUT VOLTAGE ADJUSTABLE FROM 3.3V TO 50V

Specifications

Input Voltage Min Volt	8.0	Input Voltage Max Volt	55.0
Operating Temp Min Celsius	-40.0	Operating Temp Max Celsius	150.0
ECCN US	EAR99	ECCN EU	NEC
Packing Type	Tube	Grade	Industrial