AAT3143ITP-T1

更新时间： 2024-01-12 01:31:22

品牌	Logo	应用领域
ANALOGICTECH		泵
页数	文件大小	规格书
11页	478K
描述
High Efficiency 1X/1.5X/2X Charge Pump with PWM Control for White LED Applications

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中文翻译

获取价格

数据手册

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AAT3143ITP-T1 数据手册

AAT3143

High Efficiency 1X/1.5X/2X Charge Pump with

PWM Control for White LED Applications

Typical Characteristics

V_IN= 3.5V, C_IN= C_CP= C₁= C₂= 1µF, T_A= 25°C, unless otherwise noted.

Efficiency

(100% Duty Cycle, 4x20mA/channel)

Turn-On to 1X Mode

(V_IN= 4.2V)

100

V_EN

(1V/div)

V_CP

(2V/div)

V_LED

(2V/div)

I_IN

(100mA/div)

2.7 2.8 2.9 3.0 3.1 3.2 3.3 3.4 3.5 3.6 3.7 3.8 3.9 4.0 4.1 4.2

Input Voltage (V)

Time (50µs/div)

Turn-On to 1.5X Mode

(V_IN= 3.5V)

Turn-On to 2X Mode

(V_IN= 2.7V)

V_EN

(1V/div)

V_EN

(1V/div)

V_CP

(2V/div)

V_CP

(2V/div)

V_LED

(2V/div)

V_LED

(2V/div)

I_IN

(50mA/div)

I_IN

(50mA/div)

Time (50µs/div)

LED Turn-On Delay

(PWM Frequency = 500Hz)

LED Turn-On Delay

(PWM Frequency = 5kHz)

V_EN

(2V/div)

V_EN

(2V/div)

V_LED

(2V/div)

V_LED

(2V/div)

I_LED

(10mA/div)

I_LED

(10mA/div)

Time (5µs/div)

Time (1µs/div)

3143.2006.05.1.0

1 2 3 456 7 8...11

中文翻译

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