AS3676 datasheet(88/92 Pages) AMSCO

Nome de Peças	AS3676

Descrição Electrónicos	Flexible Lighting Management

PDF	92 Pages

Scroll/Zoom	100%

Fabricante Electrônico	AMSCO [ams AG]

Página de início	http://www.ams.com

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AS3676

Datasheet - E x t e r n a l C o m p o n e n ts

As system efficiency is depending on LED configurations, external components and operating conditions, see austria-

microsystems application note ‘Mobile Backlight Selection Guide 1vx.pdf’ for optimizing efficiency and components

size (coil L1, transistor Q1, diode D1).

Q1 (+ D1)

Fairchild FDFMA3N109

Integrated NMOS and Schottky

diode

MicroFET

2x2mm

Fairchild FDFME3N311ZT or

OnSemi NTLUF4189NZ

Integrated NMOS and Schottky

diode; recommended for

configurations up to 12 LEDs

MicroFET

1.6x1.6mm

D2:D20

LED

As required by application

1. in 1/100 inch (unless otherwise specified)

2. Specified >1µF at 20V; use up to 20V DCDC output voltage

3. Results in improved efficiency compared to 10µH

4. For highest efficiency

Table 122. External Components List

Part Number

Min

Value

Typ

Max

tol.

(min.)

Rating

(max)

Notes

Package

(min.)

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