CAT4139TD-GT3 - onsemi

Manufacturer Part Number

CAT4139TD-GT3

Manufacturer

onsemi

Introduction

High-efficiency step-up LED driver for backlighting applications

Product Features and Performance

Integrated power switch

Boost topology for higher voltage output

1MHz switching frequency for small external components

PWM and analog dimming capabilities

Stable operation with a 2.2V to 5.5V input voltage range

Capable of delivering 22V output voltage

Supports up to 750mA switch current output

Operates in a wide temperature range from -40°C to 85°C

SOT-23-5 package for compact design

Product Advantages

High integration level reduces external component count

High frequency allows for the use of small, low-cost inductors and capacitors

Compatible with both analog and PWM dimming for versatile control

Efficient power conversion extends battery life in portable devices

Key Technical Parameters

Type: DC DC Regulator

Topology: Step-Up (Boost)

Internal Switch(s): Yes

Number of Outputs: 1

Voltage Supply (Min): 2.2V

Voltage Supply (Max): 5.5V

Voltage Output: 22V

Current Output / Channel: 750mA (Switch)

Frequency: 1MHz

Dimming: Analog, PWM

Operating Temperature Range: -40°C to 85°C

Quality and Safety Features

Over temperature protection

Overcurrent protection

Built-in soft start function to prevent inrush current

Compatibility

Suitable for use in devices requiring LED backlighting

Compatible with small form factor designs due to SOT-23-5 package

Application Areas

LED Backlighting for LCD displays

Portable electronics

Battery-powered devices

Product Lifecycle

Product Status: Last Time Buy

Nearing discontinuation with limited time for purchase

Potential for replacement or upgrade products available from manufacturer

Reasons to Choose This Product

Reliable performance in a wide range of operating conditions

Optimized for portable applications where efficiency is key

Flexible dimming options to match various user requirements

Small package size ideal for space-constrained applications

Comprehensive protection features ensure long product lifetime

Assured availability for a limited time, making it suitable for end-of-life product designs