Datasheet > AAT1239ITP-1-T1

AAT1239ITP-1-T1

更新时间： 2024-02-19 14:40:28

品牌	Logo	应用领域
ANALOGICTECH		转换器
页数	文件大小	规格书
21页	904K
描述
40V Step-Up Converter for 4 to 10 White LEDs

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技术参数
数据手册

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AAT1239ITP-1-T1 技术参数

生命周期：	Transferred	包装说明：	,
Reach Compliance Code：	unknown	风险等级：	5.82

AAT1239ITP-1-T1 数据手册

PRODUCT DATASHEET

AAT1239-1

SwitchReg^TM

40V Step-Up Converter for 4 to 10 White LEDs

Typical Characteristics

Efficiency vs. LED Current

(10 White LEDs; R_BALLAST= 30.1Ω)

Efficiency vs. LED Current

(9 White LEDs; R_BALLAST= 30.1Ω)

V_IN= 5V

V_IN= 3.6V

V_IN= 4.2V

V_IN= 3.6V

V_IN= 4.2V

I_LED(mA)

Shutdown Current vs. Input Voltage

(EN = GND)

Line Transient

(10 White LEDs; R_BALLAST= 30.1Ω)

1.0

0.8

0.6

0.4

0.2

0.0

4.2V

3.6V

33.2

25°C

85°C

32.8

0.62

0.6

-40°C

0.58

2.7

3.1

3.5

3.9

4.3

4.7

5.1

5.5

Input Voltage (V)

Time (50µs/div)

Accuracy I_LEDvs. Input Voltage

(V_FB= 0.6V; R_BALLAST= 30.1Ω)

Accuracy I_LEDvs. Temperature

(V_FB= 0.6V; R_BALLAST= 30.1Ω)

2.0

1.5

1.0

1.5

1.0

-40°C

25°C

0.5

0.0

85°C

-0.5

-1.0

-1.5

-2.0

-0.5

-1.0

-1.5

-40

-15

2.7

3.2

3.7

4.2

4.7

5.2

5.7

Input Voltage (V)

Temperature (°C)

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

1239-1.2007.10.1.0

1 2 3 456 7 8...21

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