CP2129 - White LED Step-up Converter

CHIP

CP2129 Datasheet Preview — Preview of CP2129 PDF

Datasheet Details

Part number	CP2129
Manufacturer	CHIP
File Size	125.25 KB
Description	White LED Step-up Converter
Datasheet	CP2129_CHIP.pdf

CP2129 Product details

Description

CP2129 V1.1 DC/DC Series The CP2129 is a step-up DC/DC converter specifically designed for driving white LEDs with a constant current.The device can drive up to 4 white LEDs from a 3V power supply.PWM dimming control is supported to adjust the brightness of the white LEDs.The CP2129 switches at 1.1 MHz allowing the use of tiny components.250mV feedback voltage minimizes the power loss in the current setting resistor for better efficiency.The CP2129 is equipped with the over voltage prote

Features

y y y y y y y y Inherently matched LED current High efficiency: 84% (typical) Stable 20V bipolar switches Internal output over-voltage protection (17V typical) Fast 1.1MHz switching frequency Uses tiny 1mm height inductors Shutdown current:.

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Published: May 22, 2009 |