Linear Technology LT1374 4.5A 500kHz Step-Down Switching Regulator Datasheet

About this manual

The LT1374 is a constant‑frequency, current‑mode buck converter designed for portable computers, battery chargers and other distributed‑power applications. It integrates a 4.5 A switch, oscillator, control and logic circuitry in a monolithic package, offering high efficiency and a small external component size.

The device includes shutdown, synchronization and bias pins for power‑saving and performance tuning, and is offered in several surface‑mount packages such as 7‑lead TO‑220, 8‑lead plastic and 16‑lead TSSOP. Detailed electrical characteristics, pin functions and typical performance graphs are provided for designers.

What's inside

• Features
• Description
• Electrical Characteristics
• Pin Functions
• Typical Performance Characteristics
• Package Description
• Typical Application
• Related Parts

Specifications

Frequently asked questions

What is the shutdown current of the LT1374?

The shutdown supply current is 20 µA.

What package options are available for the LT1374?

The LT1374 is offered in 7‑lead TO‑220, 8‑lead plastic, and 16‑lead TSSOP packages.