CAT4237TD-GT3 - onsemi

Manufacturer Part Number

CAT4237TD-GT3

Manufacturer

onsemi

Introduction

The CAT4237TD-GT3 is a high-efficiency, DC-DC step-up LED driver from onsemi that boosts the voltage to power LED backlights in portable devices.

Product Features and Performance

High efficiency DC-DC step-up regulator

Supports analog and PWM dimming

Internal switch included

Capable of driving up to 40mA output current

Operates over a wide input voltage range from 2.8V to 5.5V

Delivers up to 30V output voltage

1MHz operating frequency for small size external components

Designed for backlight applications

Product Advantages

Allows for compact and efficient backlight solutions

Supports a wide range of input voltages for flexible design compatibility

High-frequency operation minimizes the size of external components

Both analog and PWM dimming offer versatility in controlling brightness

Key Technical Parameters

Voltage Supply (Min): 2.8V

Voltage Supply (Max): 5.5V

Voltage Output: 30V

Current Output / Channel: 40mA

Frequency: 1MHz

Dimming: Analog, PWM

Operating Temperature: -40°C ~ 85°C (TA)

Quality and Safety Features

Operates reliably within a wide temperature range (-40°C to 85°C)

Integrated switch for reduced external component count and complexity

Compatibility

Suited for surface mount technology (SMT) with SOT-23-5 thin package

Universal design suitable for a wide range of portable device backlight applications

Application Areas

Ideal for powering LED backlights in portable electronic devices such as smartphones, tablets, and digital cameras

Product Lifecycle

Product status is Last Time Buy, indicating it is nearing discontinuation

Potential buyers should consider planning for replacements or upgrades

Several Key Reasons to Choose This Product

High efficiency reduces power consumption and extends battery life in portable devices

Supports both analog and PWM dimming methods for flexible backlight control

Compact component size due to high-frequency operation and integrated internal switch

Broad compatibility with various input voltages and portable device applications

Operation within a wide temperature range ensures reliability in varying environmental conditions