Datasheet > AAT1239-1_0810

AAT1239-1_0810

更新时间： 2022-12-26 05:18:36

品牌	Logo	应用领域
ANALOGICTECH		转换器
页数	文件大小	规格书
23页	1104K
描述
40V Step-Up Converter for 4 to 10 White LEDs

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数据手册

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AAT1239-1_0810 数据手册

PRODUCT DATASHEET

AAT1239-1

SwitchReg^TM

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

Typical Characteristics

Soft Start

(10 White LEDs; V_FB= 0.6V)

Soft Start

(10 White LEDs; V_FB= 0.3V)

3.3V

0.6

0.4

0.2

Time (200µs/div)

Shutdown

(10 White LEDs; V_FB= 0.6V)

Shutdown

(10 LEDs; V_FB= 0.3V)

3.3V

0.6

0.4

0.2

0.4

0.2

0.5

0.0

0.5

Time (100µs/div)

Time (50µs/div)

Output Ripple

(10 White LEDs; V_IN= 3.6V; C_OUT= 2.2µF; I_LED= 13mA)

Output Ripple

(10 White LEDs; V_IN= 3.6V; C_OUT= 2.2µF; I_LED= 20mA)

V_OUT

(AC Coupled)

(20mV/div)

V_OUT

(AC Coupled)

(20mV/div)

V_SW

(20V/div)

V_SW

(20V/div)

I_L

(500mA/div)

I_L

(500mA/div)

Time (200ns/div)

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

1239-1.2008.10.1.2

1...3 4 567 8 9...23

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