AAT2556

DATA SHEET

Battery Charger and Step-Down Converter for Portable Applications

9

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 – Battery Charger

Ω

Ω)

Constant Charging Current

vs. Set Resistor Values

1

10

100

1000

1

10

100

1000

Charging Current vs. Battery Voltage

0

100

200

300

400

500

600

2.7

2.9

3.1

3.3

3.5

3.7

3.9

4.1

4.3

End of Charge Battery Voltage

vs. Supply Voltage

4.194

4.196

4.198

4.200

4.202

4.204

4.206

4.5

4.75

5

5.25

5.5

5.75

6

6.25

6.5

End of Charge Voltage Regulation

vs. Temperature

Ω

Ω)

Temperature (

°C)

4.17

4.18

4.19

4.20

4.21

4.22

4.23

-50

-25

0

25

50

75

100

Constant Charging Current vs.

Supply Voltage

Ω

Ω)

170

180

190

200

210

220

4

4.25

4.5

4.75

5

5.25

5.5

5.75

6

6.25

6.5

Constant Charging Current vs. Temperature

Ω

Ω)

Temperature (

°C)

190

193

195

198

200

203

205

208

210

-50

-25

0

25

50

75

100