Datasheet > AAT2556

AAT2556

更新时间： 2022-04-23 23:00:11

品牌	Logo	应用领域
ANALOGICTECH		转换器电池便携式
页数	文件大小	规格书
29页	745K
描述
Battery Charger and Step-Down Converter for Portable Applications

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AAT2556 数据手册

AAT2556

Battery Charger and Step-Down

Converter for Portable Applications

Typical Characteristics – Step-Down Converter

Load Transient Response

(10mA to 250mA; V_IN= 3.6V; V_OUT= 1.8V;

Load Transient Response

(10mA to 250mA; V_IN= 3.6V; V_OUT= 1.8V; C_OUT= 4.7µF)

_OUT= 4.7µF; C_FF= 100pF)

2.0

1.9

1.8

1.7

1.6

1.5

1.4

1.3

1.2

2.0

1.9

1.8

1.7

1.6

1.5

1.4

1.3

1.2

1.4

1.2

1.0

0.8

0.6

0.4

0.2

0.0

-0.2

V_O

I_O

I_LX

Time (25µs/div)

Line Response

(V_OUT= 1.8V @ 250mA; C_FF= 100pF)

Output Ripple

(V_IN= 3.6V; V_OUT= 1.8V; I_OUT= 1mA)

0.07

0.06

0.05

0.04

0.03

0.02

0.01

0.00

-0.01

1.90

1.85

1.80

1.75

1.70

1.65

1.60

1.55

1.50

7.0

6.5

6.0

5.5

5.0

4.5

4.0

3.5

3.0

V_O

-20

-40

-60

-80

-100

-120

V_IN

I_L

Time (25µs/div)

Time (2µs/div)

Output Ripple

(V_IN= 3.6V; V_OUT= 1.8V; I_OUT= 250mA)

0.8

0.7

0.6

0.5

0.4

0.3

0.2

0.1

0.0

V_O

-20

-40

-60

-80

-100

-120

I_L

Time (200ns/div)

2556.2006.05.1.0

1...5 6 789 10 11...29

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