Datasheet > AHK3292IGU-T1

AHK3292IGU-T1

更新时间： 2024-09-26 20:02:15

品牌	Logo	应用领域
ANALOGICTECH		/
页数	文件大小	规格书
13页	1164K
描述
Interface Circuit

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数据手册

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AHK3292IGU-T1 数据手册

PRODUCT DATASHEET

AHK3292

PowerLinear

2 Channel LED Driver

General Description

Features

•

The AHK3292 is a linear current-sink LED driver, capable

of driving one or two LEDs up to 30.2mA each. Featuring

individual low resistance, low drop-out voltage current

sinks, the AHK3292 allows the LEDs to be regulated

directly from a Lithium Ion/Polymer battery without the

need for an additional step-up power supply, thereby

reducing the external component count, eliminating

switching noise and maximizing efficiency.

2.7V to 5.5V Input Supply Range

Drives up to 2 LEDs at up to 30.2mA each

Low Resistance Current Sinks

Low Dropout, Typically 40.5mV at Full Scale

▪

•

Linear LED Output Current Control

S²Cwire Interface

▪

•

Single-wire

32 Steps

•

±10% LED Output Current Accuracy

±3% LED Output Current Matching

Low Current Shutdown Mode

AnalogicTech’s Simple Serial Control™ (S²Cwire™) inter-

face is used to enable, disable, and set the LED drive

current for 32-level linear scale LED brightness control.

For maximum flexibility the LED current can be set, up

to a maximum of 30.2mA per channel, using an external

R_SETresistor.

Low Cost 6-pin SOT23 Package

Applications

The AHK3292 is packaged in a Pb-free 6-pin SOT23

package and is available over a -40 to +85^OC tempera-

ture range.

•

Entry Level Mobile Phones

Indicator LEDs

Keyboard Backlight

MP3 Players

Typical Application Circuit

Input Voltage

2.7V to 5.5V

C_IN

AHK3292

EN/SET

S Cwire

Interface

RSET

GND

R_SET

9.53kΩ

w w w . a n a l o g i c t e c h . c o m

3292.2009.06.1.2

12 3 4 5 6 7...13

中文翻译

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