AAT2556

DATA SHEET

Battery Charger and Step-Down Converter for Portable Applications

7

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

202177B • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice. • March 19, 2013

Typical Characteristics – Step-Down Converter

Output Voltage Error vs. Temperature

Temperature (

°°C)

-3.0

-2.0

-1.0

0.0

1.0

2.0

3.0

-40

-20

0

20

40

60

80

100

Switching Frequency Variation

vs. Temperature

Temperature (

°°C)

-10.0

-8.0

-6.0

-4.0

-2.0

0.0

2.0

4.0

6.0

8.0

10.0

-40

-20

0

20

40

60

80

100

Frequency Variation vs. Input Voltage

Input Voltage (V)

-4.0

-3.0

-2.0

-1.0

0.0

1.0

2.0

2.7

3.1

3.5

3.9

4.3

4.7

5.1

5.5

No Load Quiescent Current vs. Input Voltage

Input Voltage (V)

10

15

20

25

30

35

40

45

50

2.7

3.1

3.5

3.9

4.3

4.7

5.1

5.5

85°C

25°C

-40°C

P-Channel R

Input Voltage (V)

300

400

500

600

700

800

900

1000

2.5

3.0

3.5

4.0

4.5

5.0

5.5

6.0

120°C

100°C

85°C

25°C

N-Channel R

Input Voltage (V)

300

350

400

450

500

550

600

650

700

750

2.5

3.0

3.5

4.0

4.5

5.0

5.5

6.0

120°C

100°C

85°C

25°C