ISL97900CRZ-T - Renesas Electronics America Inc

Manufacturer Part Number

ISL97900CRZ-T

Manufacturer

Renesas Electronics America

Introduction

The ISL97900CRZ-T is a highly integrated PWM controlled LED driver that offers power management for display backlighting and keypad backlights.

Product Features and Performance

DC DC Regulator with internal switches

Step-Down (Buck) and Step-Up (Boost) topology

Supports three output channels

High-frequency operation at 2.5MHz allows small component size

I2C interface for dimming control

Supports multiple LED configurations

Product Advantages

Efficient power conversion for extended battery life

Minimal external components due to high integration

Smooth brightness control through I2C dimming

Multiphase capability for reduced input ripple

Key Technical Parameters

Number of Outputs: 3

Voltage - Supply (Min): 2.8V

Voltage - Supply (Max): 5.5V

Voltage - Output: 5.5V

Current - Output / Channel: 500mA

Frequency: 2.5MHz

Quality and Safety Features

Integrated over-temperature protection

Under-voltage lockout for system reliability

Compatibility

Surface Mount compatible

Package compatible with 28-QFN (4x5) footprint

Application Areas

Mobile phones

Portable media players

Handheld devices with backlit displays

Product Lifecycle

Obsolete status—no longer in active production

Potential for limited availability and support

Replacement or upgrade options may be limited

Several Key Reasons to Choose This Product

High efficiency for power-sensitive applications

I2C programmability enables flexible lighting schemes

High-frequency operation for small passive components

Integrated features reduce system complexity