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See Technical Specifications

L4972A +BOM

2 A SWITCHING REGULATOR

Manufacturer:

STMicroelectronics, Inc
Mfr.Part #:

L4972A
Datasheet:

L4972A Datasheet (PDF)
Series: L4972
Function:

Step-Down
Output Configuration:

Positive
Topology:

Buck
EDA/CAD Models:

Request Free CAD Models for L4972A

L4972A Information

Description

The STMicroelectronics L4972A is a 2A switching regulator that offers a wide input voltage range of 8V to 55V, making it suitable for various applications. It features an adjustable output voltage from 5V to 50V, internal thermal shutdown, current limiting, frequency jittering for reduced EMI, and short circuit protection. The device also has an enable input for remote ON/OFF control. The L4972A is designed for use in consumer electronics, telecommunications, networking equipment, industrial equipment, automotive applications, medical devices, LED lighting, solar panels, portable devices, and robotics. Its compact PDIP-20 package makes it ideal for space-constrained designs. With its high level of integration and flexibility, the L4972A is a suitable choice for many switching regulator applications.

Features

According to the product information, the features of L4972A from STMicroelectronics are:

Wide input voltage range: 8V to 55V
Output current up to 2A
Adjustable output voltage from 5V to 50V
Internal thermal shutdown
Current limiting
Frequency jittering for reduced EMI
Short circuit protection
Enable input for remote ON/OFF control

These features make L4972A suitable for various applications such as consumer electronics, telecommunications, and more.

Package

According to the product information, the package type of L4972A is PDIP-20.

Manufacturer

The manufacturer of the L4972A is STMicroelectronics, a leading global semiconductor company that designs, develops, manufactures, and markets semiconductor products for various applications, including consumer electronics, telecommunications, automotive, and more.

Applications

The L4972A switching regulator is suitable for various applications, including consumer electronics, telecommunications, networking equipment, industrial equipment, automotive applications, medical devices, LED lighting, solar panels, portable devices, and robotics. Its adjustable output voltage and high current capability make it a versatile component for powering various electronic systems.

Equivalent

The equivalent products of L4972A are:

Texas Instruments LM3405
ON Semiconductor NCP1404
Analog Devices ADP8860
Maxim Integrated MAX1771

These ICs offer similar features, such as adjustable output voltage, high current capability, and thermal shutdown. However, please note that each product has its unique characteristics, and the choice of equivalent depends on specific application requirements.

Specifications

Category	Integrated Circuits (ICs)Power Management (PMIC)Voltage Regulators - DC DC Switching Regulators	Function	Step-Down
Output Configuration	Positive	Topology	Buck
Output Type	Adjustable	Number of Outputs	1
Voltage - Input (Min)	15V	Voltage - Input (Max)	50V
Voltage - Output (Min/Fixed)	5.1V	Voltage - Output (Max)	40V
Current - Output	2A	Frequency - Switching	100kHz ~ 200kHz
Synchronous Rectifier	No	Operating Temperature	-40°C ~ 150°C (TJ)
Mounting Type	Through Hole	Base Product Number	L4972
Product Category	Switching Voltage Regulators	Mounting Style	Through Hole
Output Voltage	5.1 V to 40 V	Output Current	2 A
Input Voltage, Min	15 V	Input Voltage, Max	55 V
Quiescent Current	13 mA	Switching Frequency	200 kHz
Minimum Operating Temperature	- 40 C	Maximum Operating Temperature	+ 150 C
Height	4.59 mm	Input Voltage	15 V to 50 V
Length	24.8 mm	Operating Supply Current	16 mA
Product Type	Switching Voltage Regulators	Shutdown	Shutdown
Factory Pack Quantity	1000	Subcategory	PMIC - Power Management ICs
Supply Voltage - Min	15 V	Type	Step-Down
Width	7.1 mm	Unit Weight	0.079719 oz
Package/Case	DIP20