Datasheet > AAT1281IWO-T1

AAT1281IWO-T1

更新时间： 2024-02-16 08:32:46

品牌	Logo	应用领域
思佳讯 - SKYWORKS		驱动接口集成电路
页数	文件大小	规格书
18页	543K
描述
LED Driver

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技术参数
数据手册

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AAT1281IWO-T1 技术参数

是否Rohs认证：	符合	生命周期：	Active
Reach Compliance Code：	compliant	ECCN代码：	EAR99
HTS代码：	8542.39.00.01	风险等级：	5.76
接口集成电路类型：	LED DISPLAY DRIVER	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

AAT1281IWO-T1 数据手册

PRODUCT DATASHEET

AAT1281

SwitchReg

2A Driver IC for High Intensity LED Camera Flash

Typical Characteristics

Boost Converter Efficiency (P_OUT/P_IN)

Flash Mode LED Current Matching

vs. Temperature

without SuperCap

(L = 1µH)

(I_FLOUTX= 1A/Channel; V_IN= 3.6V; SuperCap [5.5V, 0.55F])

100

3.5

2.5

1.5

274mA

200mA

142mA

100mA

0.5

2.7

3.1

3.5

3.9

4.3

4.7

5.1

5.5

-40

-15

Input Voltage (V)

Temperature (°C)

Flash Mode LED Current vs. Temperature

Flash Turn On Characteristic

(I_FLOUTX= 1A/Channel; V_IN= 3.6V; SuperCap [5.5V, 0.55F])

(I_FLOUTX= 1A/Ch; V_IN= 3.6V; SuperCap [5.5V, 0.55F])

1200

1000

800

600

400

200

V_OUT

(2V/div)

V_SW

(5V/div)

I_FLOUTX

(1A/div)

V_SINK

(5V/div)

-40

-15

Temperature (°C)

Time (100ms/div)

Movie Mode LED Current Accuracy

Movie Mode LED Current Matching

(I_FLOUTX= 100mA/Channel; L = 1µH)

1.8

1.6

1.4

1.2

-2

-4

-6

-8

0.8

0.6

0.4

0.2

2.7

3.1

3.5

3.9

4.3

4.7

5.1

5.5

2.7

3.1

3.5

3.9

4.3

4.7

5.1

5.5

Input Voltage (V)

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

1281.2008.11.1.1

1 2 3 456 7 8...18

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