AA1700 - Constant Current White LED driver

Product Overview

Agamem Microelectronic

Datasheet Details

Part number	AA1700
Manufacturer	Agamem Microelectronic
File Size	265.40 KB
Description	Constant Current White LED driver
Datasheet	AA1700 Datasheet
Additional preview pages of the AA1700 datasheet.

Product details

Description

Pin No. I O O Output voltage feedback pin AA1700 Constant Current White LED driver Description Soft start and short circuit protection setting Power supply pin ON/OFF control pin Output driver pin Ground pin Internal PWM frequency setting pin Error amplifier output pin BLOCK DIAGRAM Vcc 3 CLK 7 Regulator 0.5V 0.1V Error Amp.+ Oscillator 5 + PWM COMP.+ + P0 IN 1 Output driver ER 8 0.6V

Features

Drives Up to 8 LEDs in Series.
Second or more string of LEDs can be added.
Low current consumption: Typically 5.5 mA in operation, 1 µA or less in stand-by.
PWM mode operation of the boost circuit (frequency range: 10 kHz to 1 MHz).
Incorporates a soft start circuit and adjustable soft start time.
Timer latch LED short-circuit protection circuit (SP).
On/off control function.
Available in an 8-pin TSSOP or SOP packag.

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Published: Jan 22, 2009 |