LC3300 - Variable Frequency Step-up DC/DC Converter

Product Overview

Leadchip semi

Datasheet Details

Part number	LC3300
Manufacturer	Leadchip semi
File Size	148.53 KB
Description	Variable Frequency Step-up DC/DC Converter
Datasheet	LC3300 Datasheet
Additional preview pages of the LC3300 datasheet.

Product details

Description

The LC3300 variable frequency step-up Converter drives white LEDs with a constant current to provide backlight in cell phones, PDAs, and other hand-held devices.

Features

allowing series connection of the white LEDs so that the LED currents are identical for uniform brightness. An enable input can be pulsed repeatedly to adjust LEDs brightness. The fast 3MHz operation frequency allows for smaller capacitor and inductor. Fault condition protection uses cycle-by cycle current limiting to sense maximum inductor current and over-voltage protection. The 0.2V low reference voltage minimized the power loss across the current sense resistor. The converter can operate fro.

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Published: Nov 25, 2013 |