ADP1740ACPZ-1.2-R7

更新时间： 2024-02-26 12:32:59

品牌	Logo	应用领域
亚德诺 - ADI		稳压器
页数	文件大小	规格书
20页	743K
描述
2 A, Low VIN, Low Dropout Linear Regulator

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数据手册

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ADP1740ACPZ-1.2-R7 数据手册

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ADP1740/ADP1741

Data Sheet

100

4500

4000

3500

3000

2500

2000

1500

1000

500

LOAD = 10mA

LOAD = 100mA

LOAD = 400mA

LOAD = 800mA

LOAD = 1.2A

LOAD = 2A

1.9V

2.0V

2.4V

2.6V

3.0V

3.6V

–40

–15

2.3

2.4

2.5

2.6

2.7

2.8

TEMPERATURE (°C)

INPUT VOLTAGE (V)

Figure 11. Shutdown Current vs. Temperature at Various Input Voltages

Figure 14. Ground Current vs. Input Voltage (in Dropout), V_OUT= 2.5 V

0.25

LOAD

0.20

0.15

1.6V

0.10

1mA TO 2A LOAD STEP, 2.5A/µs, 1A/DIV

OUT

2.5V

50mV/DIV

0.05

= 3.6V

= 1.5V

OUT

CH1 1.0 A Ω

CH2 50mV

M10µs

A CH1

380mA

100

10k

10.40%

LOAD CURRENT (mA)

Figure 12. Dropout Voltage vs. Load Current, V_OUT= 1.6 V, 2.5 V

Figure 15. Load Transient Response, C_IN= 4.7 µF, C_OUT= 4.7 µF

2.50

2.45

2.40

2.35

2.30

LOAD

1mA TO 2A LOAD STEP, 2.5A/µs, 1A/DIV

OUT

2.25

LOAD = 10mA

LOAD = 100mA

LOAD = 400mA

LOAD = 800mA

LOAD = 1.2A

LOAD = 2A

2.20

2.15

2.10

50mV/DIV

= 3.6V

= 1.5V

OUT

CH1 1.0 A Ω

CH2 50mV

M10µs

A CH1

880mA

2.3

2.4

2.5

2.6

2.7

2.8

10.20%

INPUT VOLTAGE (V)

Figure 13. Output Voltage vs. Input Voltage (in Dropout), V_OUT= 2.5 V

Figure 16. Load Transient Response, C_IN= 22 µF, C_OUT= 22 µF

Rev. E | Page 8 of 20

1...5 6 789 10 11...20

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