RT9173 Просмотр технического описания (PDF) - Richtek Technology

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RT9173

Peak 3A Bus Termination Regulator

Richtek Technology 

RT9173/A

Typical Operating Characteristics

Sourcing Current (Peak) vs. Temperature

8.0

7.0

6.0

5.0

4.0

3.0

2.0

1.0

0.0

-40 -20

VCNTL = 3.3V

VIN = 2.5V

VOUT = 1.25V

0 20 40 60 80 100 120

Temperature (°C)

Turn-On Threshold vs. Temperature

700

650

600

550

500

450

400

-40 -20

VCNTL = 3.3V

VIN = 2.5V

0 20 40 60 80 100 120

Temperature (°C)

1.25VTT @ 1.5A Transient Response

100 VIN = 2.5V

VCNTL = 3.3V

50 VREFEN =

Swing Frequency = 1KHz

0

-50

≈

≈

2

1

0

-1

-2

Time (250us/Div)

www.richtek.com

6

Sinking Current (Peak) vs. Temperature

8.0

7.0

6.0

5.0

4.0

3.0

2.0

VCNTL = 3.3V

1.0

VIN = 2.5V

VOUT = 1.25V

0.0

-40 -20 0 20 40 60 80 100 120

Temperature (°C)

Turn-On Threshold vs. Temperature

700

650

600

550

500

450

VCNTL = 5.0V

VIN = 2.5V

400

-40 -20 0 20 40 60 80 100 120

Temperature (°C)

1.25VTT @ 3A Transient Response

100 VIN = 2.5V

VCNTL = 3.3V

50 VREFEN =

Swing Frequency = 1KHz

0

-50

≈

≈

4

2

0

-2

-4

Time (250us/Div)

DS9173/A-18 March 2007

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