Datasheet > AAT2831

AAT2831

更新时间： 2022-04-23 23:00:11

品牌	Logo	应用领域
ANALOGICTECH		便携式便携式设备
页数	文件大小	规格书
21页	541K
描述
800mA Total Display Solution for Portable Devices

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数据手册

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AAT2831 数据手册

AAT2830/31

800mA Total Display Solution

for Portable Devices

Pin Description

Pin #

Symbol

Function

BL3

BL2

BL1

AGND

Power return (cathode) for backlight channel 3. If not used, connect to the OUT pin.

Power return (cathode) for backlight channel 2. If not used, connect to the OUT pin.

Power return (cathode) for backlight channel 1. If not used, connect to the OUT pin.

Signal ground.

Safety flash timer control capacitor input.

EN/SET

Enable and AS Cwire serial interface control input.

Power return (cathode) for Red LED of the RGB module.

Power return (cathode) for Green LED of the RGB module.

Power return (cathode) for Blue LED of the RGB module.

Positive node of flying capacitor 2.

Negative node of flying capacitor 2.

Output voltage pin. Connect to anode of all LEDs.

Input voltage pin.

Positive node of flying capacitor 1.

Negative node of flying capacitor 1.

Power ground.

Power return (cathode) for flash channel 4. If not used, connect to the OUT pin.

Power return (cathode) for flash channel 3. If not used, connect to the OUT pin.

Power return (cathode) for flash channel 2. If not used, connect to the OUT pin.

Power return (cathode) for flash channel 1. If not used, connect to the OUT pin.

Maximum backlight current programming resistor input. Ground this pin to use default values.

Power return (cathode) for backlight channel 6. If not used, connect to the OUT pin.

Power return (cathode) for backlight channel 5. If not used, connect to the OUT pin.

Power return (cathode) for backlight channel 4. If not used, connect to the OUT pin.

Exposed pad (bottom); connect to GND directly beneath the package

C2+

C2-

OUT

C1+

C1-

PGND

FL4

FL3

FL2

FL1

BSET

BL6

BL5

BL4

Pin Configuration

TQFN44-24

(Top View)

BL3

BL2

BL1

FL3

FL4

PGND

C1-

C1+

AGND

EN/SET

2830.2007.09.1.0

123 4 5 6 7...21

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