PAM2811CSCR datasheet(1/12 Pages) PAM

部件名	PAM2811CSCR

功能描述	4-Channel Single-Wire Dimming LED Drive with Ultra Low Dropout Current Sink

PDF	12 Pages

Scroll/Zoom	100%

制造商	PAM [Power Analog Micoelectronics]

网页	http://www.poweranalog.com

标志

1 / 12 page

Features

Applications

Description

Packages.

n

Support up to 4 LEDs

LED sink current 20mA

Low Dropout Voltage

Low Quiescent Supply Current:270uA(typ)

No Noise and EMI

Shutdown Current Less than 1uA

Over Temperature Protection

16-Step Brightness Control

Small Package: QFN3x3-16L,MSOP-8L

SOT23-8L, DFN2X2-8L

Pb-free Package

Mobile phone

Digital camera

PDA Mp3

QFN3x3-16L,MSOP-

8L,

n

The PAM2811 provides 4 regulated current sinks,

capable of sinking up to 20mA current to

accommodate 4 white LEDs. It requires no charge

pump, has no noise and EMI, and significantly

improves the efficiency in Li battery range.

LED brightness can be controlled by Single-wire

dimming techniques. The constant current sink is

set by16-step.

The PAM2811 is available in

SOT23-8L and DFN2X2-8L

Typical Application

1

www.poweranalog.com

03/2010 Rev1.0

,

Power Analog Microelectronics Inc

PAM2811

4-Channel Single-Wire Dimming LED Drive with

Ultra Low Dropout Current Sink

PAM2811

EN

LED4

LED3

LED2

LED1

GND

1uF

VIN

Pulse Input

ss

12

n16

≤

PGND

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