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UBA3077HN

Part Number	UBA3077HN
Manufacturer	NXP Semiconductors
Description	Three-channel switched-mode LED driver
Published	Mar 10, 2011
Detailed Description	UBA3077HN Three-channel switched-mode LED driver Rev. 1 — 8 February 2011 Objective data sheet 1. General description T...
Datasheet	UBA3077HN PDF File

Overview

UBA3077HN Three-channel switched-mode LED driver Rev.
1 — 8 February 2011 Objective data sheet 1.
General description The UBA3077HN is a high efficiency LED driver in an HVQFN40 package for general LED lighting or backlighting LCD displays.
Operating from a supply of 10 V to 42 V, it can drive up to 3 strings of 20 LEDs each.
The low voltage circuitry is powered by an external 5 V voltage supply.
The chip can operate autonomously or be controlled via a 400 kHz I2C-bus.
The peak current in each string is fixed by an external resistor.
Three independent Pulse-Width Modulated (PWM) signals are available for dimming purposes.
These PWM signals are delivered either directly by the graphic proces...

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UBA3077HN Three-channel switched-mode LED driver - NXP Semiconductors

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