G2621 - Constant Current 40V White-LEDs Driver

Product Overview

Global Mixed-mode Technology

Part number	G2621
Manufacturer	Global Mixed-mode Technology
File Size	89.08 KB
Description	Constant Current 40V White-LEDs Driver
Datasheet	G2621 Datasheet
Note	This datasheet PDF includes multiple part numbers: G2621, G2621-GlobalMixed. Please refer to the document for exact specifications by model.
Additional preview pages of the G2621 datasheet.

The G2621 step-up converter drives white LEDs with a constant current to provide backlight in cell phones, PDAs, and other hand-held devices.

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 LED’s brightness. The fast 1.0MHz current-mode PWM control allows for smaller capacitor and inductor. Fault condition protection uses cycle-by-cycle current limiting to sense maximum inductor current, thermal protection and over-voltage protection. Also included soft-start eliminates inrush current during start-up. The 0.2V low reference v.

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Published: Jan 25, 2016 |