AAT1184 datasheet(5/18 Pages) SKYWORKS

Part #	AAT1184

Description	Small Solution Size

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Manufacturer	SKYWORKS [Skyworks Solutions Inc.]

Direct Link	http://www.skyworksinc.com

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5

AAT1184

High Voltage Step-Down Regulator

DATA SHEET

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

202000A • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice. • May 29, 2012

Typical Characteristics

Step-Down Converter Efficiency vs. Load

(VOUT = 3.3V; L = 4.7µH)

Output Current (mA)

0.1

1

10

100

1000

10000

0

10

20

30

40

50

60

70

80

90

100

VIN = 6V

VIN = 8V

VIN = 12V

VIN = 18V

VIN = 24V

Step-Down Converter Efficiency vs. Load

(VOUT = 5V; L = 4.7µH)

Output Current (mA)

0.1

1

10

100

1000

10000

0

10

20

30

40

50

60

70

80

90

100

VIN = 6V

VIN = 8V

VIN = 12V

VIN = 18V

VIN = 24V

Step-Down Converter DC Regulation

(VOUT = 3.3V; L = 4.7µH)

Output Current (mA)

-2.0

-1.5

-1.0

-0.5

0.0

0.5

1.0

1.5

2.0

0.1

1

10

100

1000

10000

VIN = 6V

VIN = 8V

VIN = 12V

VIN = 18V

VIN = 24V

Step-Down Converter DC Regulation

(VOUT = 5V; L = 4.7µH)

Output Current (mA)

0.1

1

10

100

1000

10000

-3.0

-2.5

-2.0

-1.5

-1.0

-0.5

0.0

0.5

1.0

1.5

2.0

2.5

3.0

VIN = 6V

VIN = 8V

VIN = 12V

VIN = 18V

VIN = 24V

Step-Down Converter Line Regulation

(VOUT = 3.3V; L = 4.7µH)

Input Voltage (V)

6

8

10

12

14

16

18

20

22

24

-1.5

-1.0

-0.5

0.0

0.5

1.0

1.5

IOUT = 0.1mA

IOUT = 10mA

IOUT = 100mA

IOUT = 600mA

IOUT = 1200mA

Step-Down Converter Line Regulation

(VOUT = 5V; L = 4.7µH)

Input Voltage (V)

6

8

10

12

14

16

18

20

22

24

-4.0

-3.5

-3.0

-2.5

-2.0

-1.5

-1.0

-0.5

0.0

0.5

1.0

1.5

2.0

IOUT = 0.1mA

IOUT = 10mA

IOUT = 100mA

IOUT = 600mA

IOUT = 1200mA

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