ADP1740ACPZ-1.2-R7

更新时间： 2024-01-02 02:56:00

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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替代型号

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ADP1740ACPZ-1.2-R7 数据手册

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Data Sheet

ADP1740/ADP1741

–10

–20

–30

–40

–50

–60

–70

–80

–90

–100

LOAD = 2A

LOAD = 1.2A

LOAD = 800mA

LOAD = 400mA

LOAD = 100mA

LOAD = 10mA

3V TO 3.5V INPUT VOLTAGE STEP, 2V/µs

OUT

5mV/DIV

= 1.5V

OUT

= C

= 4.7µF

OUT

CH1 500mV

CH2 5mV

M10µs

9.40%

A CH4

800mV

100

10k

100k

10M

FREQUENCY (Hz)

Figure 17. Line Transient Response, Load Current = 2 A

Figure 20. Power Supply Rejection Ratio vs. Frequency,

_OUT= 0.75 V, V_IN= 1.75 V

–10

–20

–30

–40

–50

–60

–70

–80

–90

–100

LOAD = 2A

2.5V

LOAD = 1.2A

LOAD = 800mA

LOAD = 400mA

LOAD = 100mA

LOAD = 10mA

1.5V

0.75V

0.0001

0.001

0.01

0.1

100

10k

100k

LOAD CURRENT (A)

FREQUENCY (Hz)

Figure 18. Noise vs. Load Current and Output Voltage

Figure 21. Power Supply Rejection Ratio vs. Frequency,

_OUT= 1.5 V, V_IN= 2.5 V

–10

–20

–30

–40

–50

–60

–70

–80

–90

–100

LOAD = 2A

LOAD = 1.2A

LOAD = 800mA

LOAD = 400mA

LOAD = 100mA

LOAD = 10mA

1.5V

2.5V

0.1

0.75V

0.01

100

10k

100k

100

10k

100k

FREQUENCY (Hz)

Figure 19. Noise Spectral Density vs. Output Voltage, I_LOAD= 10 mA

Figure 22. Power Supply Rejection Ratio vs. Frequency,

_OUT= 2.5 V, V_IN= 3.5 V

Rev. E | Page 9 of 20

1...6 7 8910 11 12...20

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ADP1740ACPZ-1.2-R7 替代型号

型号	品牌	替代类型	描述	数据表
ADP1754ACPZ-1.2-R7	ADI	类似代替	1.2 A, Low VIN, Low Dropout Linear Regulator
ADP1752ACPZ-1.2-R7	ADI	类似代替	0.8 A, Low VIN, Low Dropout Linear Regulator

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