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NCP5030

Part Number	NCP5030
Manufacturer	ON Semiconductor
Description	Buck Boost Converter
Published	Dec 21, 2006
Detailed Description	NCP5030 Buck-Boost Converter to Drive a Single LED from 1 Li-Ion or 3 Alkaline Batteries The NCP5030 is a fixed frequen...
Datasheet	NCP5030 PDF File

Overview

NCP5030 Buck-Boost Converter to Drive a Single LED from 1 Li-Ion or 3 Alkaline Batteries The NCP5030 is a fixed frequency PWM buck−boost converter optimized for constant current applications such as driving high−powered white LED.
The buck−boost is implemented in an H−bridge topology and has an adaptive architecture where it operates in one of three modes: boost, buck−boost, or buck depending on the input and output voltage condition.
This device has been designed with high−efficiency for use in portable applications and is capable of driving in DC up to 900 mA into a high power LED for flashlight / torch applications.
To protect the device cycle−by−cycle current limiting and a thermal shut...

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