STMicroelectronics A5972D Step-Down Switching Regulator Datasheet

The A5972D is a 1.5A step down switching regulator from ST with the following features: input voltage range from 4V to 36V, adjustable output voltage, low dropout, 250kHz fixed frequency, voltage feedforward, zero current shutdown.


STMicroelectronics A5972D Step-Down Switching Regulator Datasheet - cover page
Brand
STMicroelectronics
Category
Other Electronics
Document type
Datasheet
Language
English
Pages
37
File format
PDF
File size
1.2 MB
Published
10 August, 2012
Updated
30 September, 2023
MD5 checksum
965E5AC3ABDF919E505BD7DE46167062

About this manual

The STMicroelectronics A5972D is a monolithic step-down switching regulator specifically designed for automotive applications. It features a minimum switch current limit of 1.8 A, allowing it to deliver up to 1.5 A of DC output current. The device operates with an input voltage range from 4 V to 36 V and includes a 3.3 V reference voltage.

What's inside

  • Pin settings
  • Electrical data
  • Functional description
  • Additional features and protection
  • Closing the loop
  • Application information
  • Typical characteristics
  • Package mechanical data

Specifications

Output current1.5 A
Input voltage range4 V to 36 V
Switching frequency250 kHz
Maximum junction temperature150 °C
Quiescent current2.5 mA

Frequently asked questions

What is the switching frequency of the A5972D?

The device uses an internal oscillator that fixes the switching frequency at 250 kHz.

Is the A5972D qualified for automotive use?

Yes, the device is qualified following the AEC-Q100 requirements.

What is the minimum input voltage required?

The device has a minimum input voltage of 4 V, suitable for cold crank conditions.

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