Datasheet > AAT2556

AAT2556

更新时间： 2022-04-23 23:00:11

品牌	Logo	应用领域
ANALOGICTECH		转换器电池便携式
页数	文件大小	规格书
29页	745K
描述
Battery Charger and Step-Down Converter for Portable Applications

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AAT2556 数据手册

AAT2556

Battery Charger and Step-Down

Converter for Portable Applications

Typical Characteristics – Battery Charger

Constant Charging Current

vs. Set Resistor Values

Charging Current vs. Battery Voltage

(V_ADP= 5V)

600

500

400

300

200

100

1000

100

R_SET= 3.24kΩ

R_SET= 5.62kΩ

R_SET= 8.06kΩ

R_SET= 31.6kΩ

R_SET= 16.2kΩ

2.7

2.9

3.1

3.3

3.5

3.7

3.9

4.1

4.3

100

1000

V_BAT(V)

R_SET(kΩ)

End of Charge Battery Voltage

vs. Supply Voltage

End of Charge Voltage Regulation

vs. Temperature

(R_SET= 8.06kΩ)

4.206

4.204

4.202

4.200

4.198

4.196

4.194

4.23

4.22

4.21

4.20

4.19

4.18

4.17

R_SET= 8.06kΩ

R_SET= 31.6kΩ

4.5

4.75

5.25

5.5

5.75

6.25

6.5

-50

-25

100

V_ADP(V)

Temperature (°C)

Constant Charging Current vs.

Supply Voltage

Constant Charging Current vs. Temperature

(R_SET= 8.06kΩ)

210

208

205

203

200

198

195

193

190

220

210

200

190

180

V_BAT= 3.3V

V_BAT= 4V

V_BAT= 3.6V

170

-50

-25

100

4.25 4.5 4.75

5.25 5.5 5.75

6.25 6.5

V_ADP

(V)

Temperature (°C)

2556.2006.05.1.0

1...6 7 8910 11 12...29

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