ADP1752-1.5-EVALZ 查看數據表（PDF） - Analog Devices

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ADP1752-1.5-EVALZ

0.8 A, Low VIN, Low Dropout Linear Regulator

Analog Devices 

ADP1752/ADP1753

100

1.9V

90

2.0V

2.4V

80

2.6V

3.0V

70

3.6V

60

50

40

30

20

10

0

–40

–15

10

35

60

85

TEMPERATURE (°C)

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

0.08

0.07

0.06

0.05

0.04

1.6V

0.03

0.02

2.5V

0.01

0

1

10

100

1k

LOAD CURRENT (mA)

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

2.60

2.55

2.50

2.45

2.40

2.35

2.30

2.25

2.20

2.3

LOAD = 10mA

LOAD = 100mA

LOAD = 400mA

LOAD = 800mA

2.4

2.5

2.6

2.7

2.8

INPUT VOLTAGE (V)

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

Data Sheet

4500

4000

3500

LOAD = 10mA

LOAD = 100mA

LOAD = 400mA

LOAD = 800mA

3000

2500

2000

1500

1000

500

0

2.3

2.4

2.5

2.6

2.7

2.8

INPUT VOLTAGE (V)

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

T

ILOAD

1

1mA TO 800mA LOAD STEP, 2.5A/µs, 500mA/DIV

VOUT

2

50mV/DIV

VIN = 3.6V

VOUT = 1.5V

CH1 500mA Ω BW CH2 50mV BW M10µs A CH1

T 10.20%

380mA

Figure 15. Load Transient Response, CIN = 4.7 µF, COUT = 4.7 µF

T

ILOAD

1

1mA TO 800mA LOAD STEP, 2.5A/µs, 500mA/DIV

2

VOUT

20mV/DIV

VIN = 3.6V

VOUT = 1.5V

CH1 500mA Ω BW CH2 20mV BW M10µs A CH1

T 10.20%

530mA

Figure 16. Load Transient Response, CIN = 22 µF, COUT = 22 µF

Rev. E | Page 8 of 20

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