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AAT2847IML-QI-T1

更新时间： 2024-02-01 01:52:53

品牌	Logo	应用领域
ANALOGICTECH		驱动器驱动程序和接口接口集成电路
页数	文件大小	规格书
20页	382K
描述
Four-Channel Backlight Driver with Dual LDOs

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技术参数
数据手册

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AAT2847IML-QI-T1 技术参数

生命周期：	Active	包装说明：	,
Reach Compliance Code：	unknown	ECCN代码：	EAR99
HTS代码：	8542.39.00.01	风险等级：	5.69
接口集成电路类型：	LED DISPLAY DRIVER	Base Number Matches：	1

AAT2847IML-QI-T1 数据手册

AAT2847

Four-Channel Backlight Driver with Dual LDOs

Pin Descriptions

Symbol

Pin #

Function

AAT2847-EE AAT2847-QG/QI

LED2 current channel input. Connect to the cathode of backlight LED 2. If not

used, connect D2 to the OUT pin.

LED1 current channel input. Connect to the cathode of backlight LED 1. If not

used, connect D1 to the OUT pin.

4, 6

LDOB

Output of LDOB.

Input voltage supply connection.

PGND

Power Ground.

AAT2847-EE: Feedback pin of LDOA. Internally regulated at 1.2V.

AAT2847-QG/QI: No connection. Do not make any connection to this pin.

Output of LDOA.

FBA

LDOA

C2-

LDOA

C2-

Negative terminal of flying capacitor 2.

C2+

Positive terminal of flying capacitor 2.

Charge pump output to drive load circuit. Connect a 1µF or larger ceramic

capacitor between OUT and PGND.

OUT

C1-

C1+

EN/SET

ENB

C1-

C1+

EN/SET

ENB

Negative terminal of flying capacitor 1.

Positive terminal of flying capacitor 1.

AS Cwire control pin for backlight LED current profile selection and control.

Enable pin for LDOB. Active logic high.

LED4 current channel input. Connect to the cathode of backlight LED 4. If not

used, connect D4 to the OUT pin.

LED3 current channel input. Connect to the cathode of backlight LED 3. If not

used, connect D3 to the OUT pin.

GND

ENA

GND

ENA

Ground.

Enable pin for LDOA. Active logic high.

AAT2847-EE: Feedback pin of LDOB. Internally regulated at 1.2V.

AAT2847-QG/QI: No connection. Do not make any connection to this pin.

Exposed pad (bottom).

FBB

N/C

2847.2007.09.1.0

123 4 5 6 7...20

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