ADM8843ACPZ-REEL7 - Analog Devices Inc.

Manufacturer Part Number

ADM8843ACPZ-REEL7

Manufacturer

Analog Devices

Introduction

Efficient, compact LED driver solution for power management

Product Features and Performance

Integrated charge pump energy conversion

4 independently controlled LED outputs

Support for PWM brightness dimming

Wide input voltage range

High switching frequency

Operation at 1.5MHz to minimize external component size

Product Advantages

High output current accuracy for uniform brightness

Minimal external components required due to integrated switches

Flexible design for various lighting applications

Key Technical Parameters

Type: DC DC Regulator

Topology: Switched Capacitor (Charge Pump)

Internal Switch(s): Yes

Number of Outputs: 4

Voltage - Supply (Min): 2.6V

Voltage - Supply (Max): 5.5V

Current - Output / Channel: 20mA

Frequency: 1.5MHz

Dimming capability with PWM

Quality and Safety Features

Over-temperature protection

Built-in soft start function to limit inrush current

Compatibility

Compatible with a broad range of LEDs for backlighting and flash

Application Areas

Backlighting for LCD displays

Camera flash for mobile devices

Portable electronics lighting

Product Lifecycle

Status: Active

Continued manufacturer support and availability

Several Key Reasons to Choose This Product

High efficiency for extended battery life in portable applications

Support for multiple LED configurations adds to design flexibility

Robust temperature range ensuring performance in diverse environments

Compact LFCSP-VQ package suitable for space-constrained applications

Tape and Reel packaging for simplified assembly process