KA7553A - onsemi

Manufacturer Part Number

KA7553A

Manufacturer

onsemi

Introduction

The KA7553A is a high-performance, dual-mode, positive output, high-voltage DC-DC switching controller IC. It is designed to provide a regulated DC output voltage from an unregulated input voltage source, making it suitable for a wide range of power supply applications.

Product Features and Performance

Dual-mode operation (pulse-width modulation and pulse-frequency modulation) for high efficiency across a wide output load range

Wide input voltage range of 8.7V to 30V

Single positive output with a maximum duty cycle of 46%

Synchronous rectification for improved efficiency

Thermal shutdown protection

Low quiescent current of typically 1.5mA

Product Advantages

Versatile design suitable for a variety of power supply applications

High efficiency across a wide load range

Robust protection features for reliable operation

Easy to implement in various circuit topologies

Key Reasons to Choose This Product

Proven performance and reliability from a trusted manufacturer

Flexibility to adapt to different power supply requirements

Cost-effective solution for a range of power management needs

Comprehensive protection features for improved system reliability

Quality and Safety Features

Thermal shutdown protection

Robust design for reliable operation

Compatibility

The KA7553A is a general-purpose DC-DC switching controller that can be used in a variety of power supply applications, such as industrial equipment, consumer electronics, and automotive systems.

Application Areas

Industrial power supplies

Consumer electronics power adapters

Automotive power management systems

Product Lifecycle

The KA7553A is an obsolete product, meaning it is no longer in active production. However, there may be equivalent or alternative models available from other manufacturers. Customers are advised to contact our website's sales team for more information on available options and recommendations for suitable replacement products.