LC3300 Variable Frequency Step-up DC/DC Converter

Leadchip semi

Description

LC3300 - Max.3MHz, Variable Frequency Step-up DC/DC Converter .
The LC3300 variable frequency step-up Converter drives white LEDs with a constant current to provide backlight in cell phones, PDAs, and other hand-he.

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Datasheet Specifications

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

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

Applications

* Compact Back Light Module Power Source for LED Constant Current Source TYPICAL APPLICATION L1 VIN 10uH D1 SS14 LED1 LED17 LED2 Cin 4.7uF LED18 Cout 4.7uF LED3 LED19 VIN ON OFF CE LX OVP LED4 LC3300 FB GND LED20 R1 R5 Figure1. LC3300 Typical Applicati

LC3300 Distributors

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LC3300 Variable Frequency Step-up Converter Leadchip semi

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