LTC1697EMS#PBF - Analog Devices Inc.

Manufacturer Part Number

LTC1697EMS#PBF

Manufacturer

Analog Devices

Introduction

The LTC1697EMS#PBF is a high-efficiency, regulated negative charge pump for driving cold cathode fluorescent lamps (CCFLs) in LCD backlighting applications. It features a wide input voltage range, a small package, and a simple interface, making it ideal for portable and space-constrained designs.

Product Features and Performance

Regulated negative output voltage from 2.8V to 5.5V input

Up to 30mA output current

High efficiency: up to 90%

Enables single-ended CCFL drive

Adjustable switching frequency from 100kHz to 300kHz

Thermal regulation and current limiting

Shutdown mode reduces quiescent current to 1μA

Product Advantages

Compact and power-efficient solution for CCFL backlighting

Wide input voltage range supports various battery chemistries

Simple external component count for easy design-in

Thermal regulation and current limiting for reliable operation

Key Reasons to Choose This Product

Optimized for LCD backlighting applications

Excellent efficiency and power density for extended battery life

Robust protection features ensure reliable operation

Easy to integrate into space-constrained designs

Quality and Safety Features

Industrial-grade operating temperature range of -40°C to 85°C

Stringent quality and reliability standards from Analog Devices

Compatibility

Suitable for use in a variety of portable electronics, including laptops, tablets, and mobile devices

Application Areas

Controller and Cold Cathode Fluorescent Lamp (CCFL) applications

Product Lifecycle

The LTC1697EMS#PBF is an active product, and there are no announced plans for discontinuation. Analog Devices may offer alternative or equivalent models in the future, but customers should contact our website's sales team for the latest product information and availability.