Datasheet > AAT3351IWP-T1

AAT3351IWP-T1

更新时间： 2024-02-27 16:37:04

品牌	Logo	应用领域
ANALOGICTECH		/
页数	文件大小	规格书
17页	2077K
描述
Interface Circuit

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技术参数
数据手册

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AAT3351IWP-T1 技术参数

是否Rohs认证：	符合	生命周期：	Obsolete
包装说明：	,	Reach Compliance Code：	unknown
ECCN代码：	EAR99	HTS代码：	8542.39.00.01
风险等级：	5.82	模拟集成电路 - 其他类型：	SWITCHED CAPACITOR REGULATOR
峰值回流温度（摄氏度）：	NOT SPECIFIED	处于峰值回流温度下的最长时间：	NOT SPECIFIED
Base Number Matches：	1

AAT3351IWP-T1 数据手册

PRODUCT DATASHEET

AAT3351

ChargePump

High Efficiency 1x/1.5x Charge Pump

Pin Descriptions

Pin Number

TDFN33-12

TSOPJW-14

Name

Function

Backlight LED 4 current sink. D4 controls the current through backlight LED 4.

Connect the cathode of backlight LED 4 to D4. If not used, connect D4 to OUT.

EN/SET

C2-

S²Cwire serial interface control pin.

Negative terminal of charge pump capacitor 2.

Positive terminal of charge pump capacitor 2. Connect the 1ꢀF charge pump

capacitor 2 from C2+ to C2-.

C2+

Charge pump output. OUT is the output of the charge pump and supplies current

to the backlight LEDs. Connect the backlight LED anodes to OUT. Bypass OUT to

PGND with a 1ꢀF or larger ceramic capacitor as close to the AAT3351 as possible.

OUT

C1-

Negative terminal of charge pump capacitor 1.

Positive terminal of charge pump capacitor 1. Connect the 1ꢀF charge pump

capacitor 1 from C1+ to C1-.

C1+

Power input. Connect IN to the input source voltage. Bypass IN to GND with a 1ꢀF

or larger ceramic capacitor as close to the AAT3351 as possible.

Ground pin.

Backlight LED 1 current sink. D1 controls the current through backlight LED 1.

Connect the cathode of backlight LED 1 to D1. If not used, connect D1 to OUT.

GND

Backlight LED 2 current sink. D2 controls the current through backlight LED 2.

Connect the cathode of backlight LED 2 to D2. If not used, connect D2 to OUT.

Backlight LED 3 current sink. D3 controls the current through backlight LED 3.

Connect the cathode of backlight LED 3 to D3. If not used, connect D3 to OUT.

N/A

13, 14

N/A

N/C

Not connected.

Exposed paddle (bottom). Connect to GND directly beneath package.

Pin Configuration

TSOPJW-14

(Top View)

TDFN33-12

(Top View)

N/C

EN/SET

C2-

N/C

EN/SET

C2-

C2+

OUT

C1-

C2+

GND

OUT

C1-

C1+

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

3351.2009.06.1.1

123 4 5 6 7...17

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