LTC3230EUD#PBF - Analog Devices Inc.

Manufacturer Part Number

LTC3230EUD#PBF

Manufacturer

Analog Devices

Introduction

LED driver integrated circuit designed for power management applications, specifically for driving LEDs with a high-efficiency, switched-capacitor charge pump topology.

Product Features and Performance

Integrated charge pump DC/DC regulator

Capable of driving up to 5 LED outputs

High switching frequency of 900kHz

Built-in internal switches

Operates with a supply voltage range from 2.7V to 5.5V

Provides a consistent 25mA output current per channel

Product Advantages

High-efficiency operation reduces power consumption

Compact 20-WFQFN package saves board space

Supports multiple LED configurations with its 5 outputs

Continuous brightness levels achieved through high-frequency operation

Suitable for portable battery-powered applications due to low minimum supply voltage

Key Technical Parameters

Number of Outputs: 5

Minimum Supply Voltage: 2.7V

Maximum Supply Voltage: 5.5V

Output Current per Channel: 25mA

Operating Frequency: 900kHz

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

Mounting Type: Surface Mount

Package: 20-WFQFN Exposed Pad

Device Package: 20-QFN (3x3)

Quality and Safety Features

Operates reliably within a wide temperature range

Exposed pad package for enhanced thermal performance

Compatibility

Backlight applications in various devices

Compatible with a broad input voltage range for flexible design considerations

Application Areas

Portable electronics

Mobile phones and handheld devices

Industrial and medical lighting

Automotive interior lighting

Product Lifecycle

Product Status: Active

Not nearing discontinuation

Replacements or upgrades should be available if necessary due to commonality of form factor and function

Several Key Reasons to Choose This Product

Space-saving design with a small footprint 20-QFN package

High output drive capability with 5 outputs at 25mA each

Efficient power management for extended battery life in portable applications

Wide operating temperature range ensures reliability in harsh conditions

Active product status indicates ongoing manufacturer support and availability

High switching frequency allows for less perceptible flicker in LED applications