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OCP8178

Part Number	OCP8178
Manufacturer	ORIENT-CHIP
Description	White LED Driver
Published	Oct 17, 2018
Detailed Description	WWW.ORIENT-CHIP.COM OCP8178 White LED Driver With Digital and PWM Brightness Control ◼ General Description With a 40-...
Datasheet	OCP8178 PDF File

Overview

WWW.
ORIENT-CHIP.
COM OCP8178 White LED Driver With Digital and PWM Brightness Control ◼ General Description With a 40-V rated integrated switch FET, the OCP8178 is a boost converter that drives LEDs in series.
The boost converter runs at 600kHz fixed switching frequency to reduce output ripple, improve conversion efficiency, and allows for the use of small external components.
The default white LED current is set with the external sensor resistor Rset, and the feedback voltage is regulated to 200mV, as shown in the typical application.
During the operation, the LED current can be controlled using the 1-wire digital interface through the CTRL pin.
Alternatively, a pulse width modulation (PW...

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