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BL8548 - Variable Frequency Step-up DC/DC Converter

BL8548 Description

BL8548 Max.3MHz, Variable Frequency Step-up DC/DC Converter .
The BL8548 variable frequency step-up Converter drives white LEDs with a constant current to provide backlight in cell phones, PDAs, and other hand-he.

BL8548 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

BL8548 Applications

* Compact Back Light Module
* Power Source for LED
* Constant Current Source BL8548 is available in SOT23-6 package that is PB free. TYPICAL APPLICATION BL8548 www. belling. com. cn Figure1. BL8548 Typical Application Circuit 1 ORDERING INFORMATION BL8548
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Datasheet Details

Part number
BL8548
Manufacturer
BELLING
File Size
375.36 KB
Datasheet
BL8548-BELLING.pdf
Description
Variable Frequency Step-up DC/DC Converter

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Variable Frequency Step-up Converter BELLING
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