AA1700 - Constant Current White LED driver

Agamem Microelectronic

AA1700 Datasheet Preview — Preview of AA1700 PDF

Datasheet Details

Part number	AA1700
Manufacturer	Agamem Microelectronic
File Size	265.40 KB
Description	Constant Current White LED driver
Datasheet	AA1700_AgamemMicroelectronic.pdf

AA1700 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 |