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LC3300 Datasheet Variable Frequency Step-up DC/dc Converter

Manufacturer: Leadchip semi

Overview: LC3300 - Max. 3MHz, Variable Frequency Step-up DC/DC Converter.

Datasheet Details

Part number LC3300
Manufacturer Leadchip semi
File Size 148.53 KB
Description Variable Frequency Step-up DC/DC Converter
Datasheet LC3300_Leadchipsemi.pdf

General 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.

It

Key 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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