RT9173 Просмотр технического описания (PDF) - Richtek Technology

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RT9173

Peak 3A Bus Termination Regulator

Richtek Technology 

RT9173/A

0.9VTT @ 1.5A Transient Response

100 VIN = 1.8V

VCNTL = 3.3V

50 VREFEN = 0.9V

Swing Frequency = 1KHz

0

-50

≈

≈

2

1

0

-1

-2

Time (250us/Div)

RDS(ON) vs. Temperature

0.31

0.30

VIN = 0.9V

0.29

VIN = 0.85V

0.28

0.27

VIN = 0.8V

0.26

0.25

0.24

0.23

0.22

VCNTL = 3.3V

VREFEN = 1.0V

25 35 45 55 65 75 85 95 105 115 125

Temperature (°C)

Output Short-Circuit Protection

12

Sink

10

8

VIN = 2.5V

VCNTL = 3.3V

VREFEN = 1.25V

6

4

2

0

-2

Force the output shorted to VDDQ

-4

Time (5ms/Div)

DS9173/A-18 March 2007

0.9VTT @ 3A Transient Response

100 VIN = 1.8V

VCNTL = 3.3V

50 VREFEN = 0.9V

Swing Frequency = 1KHz

0

-50

≈

≈

4

2

0

-2

-4

Time (250us/Div)

RDS(ON) vs. Temperature

0.32

0.31

VIN = 0.9V

0.30

0.29

VIN = 0.85V

0.28

0.27

VIN = 0.8V

0.26

0.25

0.24

0.23

VCNTL = 5.0V

VREFEN = 1.0V

25 35 45 55 65 75 85 95 105 115 125

Temperature (°C)

Output Short-Circuit Protection

12

Source

10

8

VIN = 2.5V

VCNTL = 3.3V

VREFEN = 1.25V

6

4

2

0

-2

Force the output shorted to ground

-4

Time (5ms/Div)

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