SD3112-4R7-R datasheet(6/22 Pages) SKYWORKS

部件名	SD3112-4R7-R

功能描述	600mA Voltage-Scaling Step-Down Converter for RF Power Amplifiers with Bypass Switch

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制造商	SKYWORKS [Skyworks Solutions Inc.]

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Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com

201999B • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice. • March 20, 2013

AAT1171

600mA Voltage-Scaling Step-Down Converter

for RF Power Amplifiers with Bypass Switch

DATA SHEET

Typical Characteristics

Efficiency vs. Output Current

(PWM Mode; VOUT = 2.5V)

Output Current (mA)

0

10

20

30

40

50

60

70

80

90

100

0.1

1

10

100

1000

VIN = 3.0V

VIN = 4.2V

VIN = 5.0V

Load Regulation

(PWM Mode; VOUT = 2.5V)

Output Current (mA)

-1.0

-0.5

0.0

0.5

1.0

0.1

1

10

100

1000

VIN = 5.0V

VIN = 4.2V

VIN = 3.0V

Efficiency vs. Output Current

(LL Mode; VOUT = 1.8V)

Output Current (mA)

30

40

50

60

70

80

90

100

0.1

1

10

100

1000

VIN = 2.7V

VIN = 4.2V

VIN = 3.6V

Load Regulation

(LL Mode; VOUT = 1.8V)

Output Current (mA)

-1.0

-0.5

0.0

0.5

1.0

0

1

10

100

1000

VIN = 3.6V

VIN = 2.7V

VIN = 4.2V

Efficiency vs. Output Current

(PWM Mode; VOUT = 1.8V)

Output Current (mA)

0

10

20

30

40

50

60

70

80

90

100

0.1

1

10

100

1000.

VIN = 2.7V

VIN = 3.6V

VIN = 4.2V

Load Regulation

(PWM Mode; VOUT = 1.8V)

Output Current (mA)

-1.0

-0.5

0.0

0.5

1.0

0.1

1

10

100

1000

VIN = 3.6V

VIN = 4.2V

VIN = 2.7V

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