Datasheet > AAT1146_08

AAT1146_08

更新时间： 2022-04-23 23:00:11

品牌	Logo	应用领域
ANALOGICTECH		转换器
页数	文件大小	规格书
20页	663K
描述
Fast Transient 400mA Step-Down Converter

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AAT1146_08 数据手册

PRODUCT DATASHEET

AAT1146

SwitchReg^TM

FastTransient 400mA Step-Down Converter

Typical Characteristics

P-Channel R_DS(ON)vs. Input Voltage

N-Channel R_DS(ON)vs. Input Voltage

750

700

750

700

650

600

550

500

450

400

350

300

650

120°C

100°C

120°C

100°C

600

550

500

85°C

450

25°C

400

25°C

350

300

2.5

3.0

3.5

4.0

4.5

5.0

5.5

6.0

2.5

3.0

3.5

4.0

4.5

5.0

5.5

6.0

Input Voltage (V)

Load Transient Response

(1mA to 300mA; V_IN= 3.6V; V_OUT= 1.8V;

Load Transient Response

(300mA to 400mA; V_IN= 3.6V;

V_OUT= 1.8V; C₁= 4.7μF)

C₁= 10μF; C_FF= 100pF)

2.0

1.9

1.8

1.7

1.90

1.85

1.80

1.75

V_O

I_O

300mA

400mA

300mA

1mA

I_L

0.4

0.3

0.2

0.1

I_L

Time (50μs/div)

Load Transient Response

(300mA to 400mA; V_IN= 3.6V;

V_OUT= 1.8V; C₁= 10μF)

Load Transient Response

(300mA to 400mA; V_IN= 3.6V; V_OUT= 1.8V;

C₁= 10μμF; C₄= 100pF)

1.850

1.90

1.85

1.80

1.75

1.825

1.800

1.775

V_O

I_O

V_O

I_O

400mA

300mA

0.4

0.3

0.2

0.1

0.4

0.3

0.2

0.1

I_L

Time (50μs/div)

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

1146.2008.06.1.6

1...4 5 678 9 10...20

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