7

AAT3783

DATA SHEET

1-A Linear Li-Ion/Polymer Battery Charger with 28V Over-Voltage Protection

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

201903B • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice. • April 27, 2012

Typical Characteristics

Preconditioning Charge Current vs. Temperature

Ω; I

Temperature (°C)

17

18

19

20

21

22

23

-40

-15

10

35

60

85

Preconditioning Voltage Threshold

vs. Temperature

Temperature (°C)

2.54

2.56

2.58

2.60

2.62

2.64

2.66

-40

-15

10

35

60

85

Constant Charging Current vs. Input Voltage

Ω

Ω)

Input Voltage (V)

700

800

900

1000

1100

1200

4

4.5

5

5.5

6

6.5

7

7.5

Total Resistance vs. Input Voltage

(IN to BAT)

Input Voltage (V)

400

450

500

550

600

650

700

750

800

3.6

3.8

4

4.2

4.4

4.6

4.8

5

85°C

25°C

-40°C

Temperature Sense Too Hot Threshold

vs. Temperature

Temperature (°C)

325

327

329

331

333

335

337

339

-40

-15

10

35

60

85

Temperature Sense Too Cold Threshold

vs. Temperature

Temperature (°C)

2.375

2.380

2.385

2.390

2.395

2.400

-40

-15

10

35

60

85