Datasheet > AAT2504_08

AAT2504_08

更新时间： 2022-04-23 23:00:11

品牌	Logo	应用领域
ANALOGICTECH		稳压器
页数	文件大小	规格书
21页	771K
描述
Adjustable 3-Channel Regulator

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AAT2504_08 数据手册

PRODUCT DATASHEET

AAT2504178

SystemPower^TM

Adjustable 3-Channel Regulator

Typical Characteristics–Step-Down Converter

Step-Down Converter Efficiency vs. Output Current

(V_OUT= 1.8V)

Output Voltage Error vs. Temperature

(V_IN= 3.6V; V_OUT= 2.5V)

100

0.4

0.3

400mA

600mA

0.2

0.1

0.0

V_IN= 5.5V

V_IN= 4.2V

V_IN= 3.6V

V_IN= 2.7V

-0.1

-0.2

-0.3

-0.4

-0.5

800mA

100mA

PWM/Light Load Mode

Forced PWM Mode

0.1

100

1000

-40

-15

Output Current (mA)

Temperature (°C)

Step-Down Converter Load Regulation

(V_OUT= 2.5V; Forced PWM)

Step-Down Converter Line Regulation

(V_OUT= 2.5V; Forced PWM)

0.2

0.1

0.4

0.3

0.2

0.1

0.0

-0.1

-0.2

V_IN= 3.6V

V_IN= 3V

100mA

50mA

1mA

0.0

-0.1

-0.2

-0.3

V_IN= 4.2V

800mA

600mA

V_IN= 5.5V

0.1

100

1000

2.8

3.1

3.4

3.7

4.0

4.3

4.6

4.9

5.2

5.5

Output Current (mA)

Input Voltage (V)

Step-Down Converter Output Ripple

(V_IN= 3.6V; V_OUT= 1.8V; I_OUT= 800mA)

Step-Down Converter Load Transient

(V_IN= 3.6V; I_OUT= 300mA to 650mA)

1.82

2.2

2.0

1.8

1.6

1.81

1.80

1.79

V_OUT

I_OUT

I_INDUCTOR

1.0

0.8

0.6

0.4

0.2

0.9

I_L

0.6

0.3

0.0

Time (200ns/div)

Time (20µs/div)

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

2504.2008.02.1.2

1 2 3 456 7 8...21

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