CAT3644HV3-GT2 - onsemi

Manufacturer Part Number

CAT3644HV3-GT2

Manufacturer

onsemi

Introduction

The CAT3644HV3-GT2 from onsemi is a high-efficiency, quad-output LED driver.

Product Features and Performance

Switched Capacitor (Charge Pump) topology

Supports 4 LED outputs

Internal switching regulation

Frequency operation range between 1MHz and 1.3MHz

Features Multi-Step dimming control

Surface Mount package for compact PCB design

Product Advantages

High integration for space-constrained applications

Built-in switches reduce component count

High-frequency operation for reduced noise and size of external components

Extended operating temperature suitable for diverse environments

Key Technical Parameters

Type: DC DC Regulator

Number of Outputs: 4

Voltage - Supply (Min): 2.5V

Voltage - Supply (Max): 5.5V

Voltage - Output: 7V

Current - Output / Channel: 25mA

Frequency: 1MHz ~ 1.3MHz

Dimming: Multi-Step

Quality and Safety Features

Operating temperature range from -40°C to 85°C ensures reliability across various temperatures

Compatibility

Suitable for use in applications requiring LED backlighting

Application Areas

Backlight applications, such as LCD screens for mobile devices and other small-format displays

Product Lifecycle

Obsolete status indicates the product is no longer being manufactured

Availability of replacements or upgrades should be checked with the manufacturer or distributors

Several Key Reasons to Choose This Product

Obsoleted product offers potential cost savings for suitable existing designs

High-efficiency performance useful for battery-powered devices

Capability to drive multiple LEDs with a single device simplifies design

Multi-step dimming enhances user experience with adjustable brightness levels

Robust operating temperature range increases system reliability in variable climates

Surface mount technology for a more streamlined manufacturing process