Datasheet > AAT1274

AAT1274

更新时间： 2022-02-26 14:04:33

品牌	Logo	应用领域
思佳讯 - SKYWORKS		/
页数	文件大小	规格书
17页	2053K
描述
1.5A Single Flash LED Driver IC

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AAT1274 数据手册

DATA SHEET

AAT1274

1.5A Single Flash LED Driver IC

Typical Characteristics

Flash Mode Efficiency vs. Input Voltage

Movie Mode Efficiency vs. Input Voltage

100

320mA, V_F= 2.91V

204mA

104mA

52mA

540mA, V_F= 3.00V

700mA, V_F= 3.04V

900mA, V_F= 3.04V

1500mA, V_F= 3.15V

1200mA, V_F= 3.27V

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)

Boost Switching Frequency vs. Input Voltage

Shutdown Current vs. Input Voltage

(Movie Mode; L = 1µH)

(V_EN/SET= V_FLEN= 0V)

2.5

0.03

0.025

0.02

0.015

0.01

0.005

1.5

85°C

25°C

0.5

25°C

-40°C

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)

Supply Current vs. Input Voltage

Movie Mode LED Current vs. Temperature

(V_EN= V_FLEN= 3.6V)

(I_FL= 206mA/Ch; V_IN= 3.6V; L = 1µH)

225

220

215

210

205

200

195

190

185

1000

900

800

700

600

500

400

300

200

100

85°C

25°C

-40°C

-40

-15

2.7

3.1

3.5

3.9

4.3

4.7

5.1

5.5

Input Voltage (V)

Temperature (°C)

Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com

201981A

• Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice. • May 21, 2012

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