ADM869L 查看數據表（PDF） - Analog Devices

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ADM869L

2 A, High-Side P-Channel Switch with Current Limit and Thermal Shutdown

Analog Devices 

ADM869L

VFAULT,

5V/DIV

1

VOUT,

5V/DIV

2

IOUT, 4A/DIV

3

CIN = 100␮F

COUT = 0.1␮F

RLOAD = 1.0⍀

VIN, 5V/DIV

4

CH1 5.00V CH2 5.00V M 20.0␮s CH3

120mV

TPC 10. Fast Current-Limit Response

VON

1

VOUT

2

IOUT, 0.5A/DIV

3

4

CH1 5.00V CH2 5.00V M 50.0␮s CH1

CH3 50.0mV BW CH4 5.00V

VFAULT

2.2V

TPC 13. Switch Turn-On Time

VFAULT,

5V/DIV

1

T

VOUT,

5V/DIV

2

IOUT, 2A/DIV

T

3

VIN, 5V/DIV

T

4

CH1 5.00V CH2 5.00V M 50.0␮s CH3

CH3 100mV BW CH4 5.00V

64mV

TPC 11. Slow Current-Limit Response

T

1

T

2

VON

VOUT

T

3

IOUT, 0.5A/DIV

T

4

CH1 5.00V CH2 5.00V M 1.00␮s CH1

CH3 100mV CH4 5.00V

VFAULT

2.5V

TPC 14. Switch Turn-Off Time

T

IOUT = 0mA TO

1A, 0.5A/DIV

3

VOUT RIPPLE,

100mV/DIV, 2

T

AC COUPLED

CH2 100mV BW M 10.0␮s CH2 –52mV

CH3 50.0mV BW

TPC 12. Load Transient Response

1

T

2

T

3

T

VON

VOUT

IOUT, 0.5A/DIV

4

T

CH1 5.00V CH2 2.00V M 500␮s CH1

CH3 100mV CH4 2.00V

VFAULT

3.1V

TPC 15. USB Circuit Output Rise Time

1

T

T

2

3

T

VON

VOUT

IOUT, 0.5A/DIV

4

CH1 5.00V CH2 2.00V M 500␮s CH1

CH3 100mV CH4 2.00V

VFAULT

3.1V

TPC 16. USB Circuit Output Fall Time

–6–

REV. A

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