RL1220S-R20-F datasheet(6/18 Pages) SKYWORKS

6 / 18 page

AAT3682

DATA SHEET

Li-Ion/Polymer Linear Battery Charger

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

201884B • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice. • April 25, 2012

Typical Characteristics

Charging Current vs. Temperature

(RSENSE = 0.15Ω)

Temperature (°C)

650

660

670

680

690

700

-50

-25

100

Charging Current vs. Input Voltage

(RSENSE = 0.15Ω with External Schottky)

Input Voltage (V)

100

200

300

400

500

600

700

4.0

4.5

5.0

5.5

6.0

VBAT = 4.1V

VBAT = 3.6V

Charging Current vs. Battery Voltage

(RSENSE = 0.15Ω with External Schottky)

Battery Voltage (V)

100

200

300

400

500

600

700

2.5

3.0

3.5

4.0

4.5

5.0

VIN = 4.5V

VIN = 4.75V

VIN = 5.5V

Trickle Charge Current vs. Input Voltage

(RSENSE = 0.15Ω; 1.8X Mode)

Input Voltage (V)

130

135

140

145

150

155

160

165

170

4.0

4.5

5.0

5.5

6.0

Charging Current vs. Input Voltage

(RSENSE = 0.2Ω with External Schottky)

Input Voltage (V)

100

200

300

400

500

600

4.0

4.5

5.0

5.5

6.0

VBAT = 4.0V

VBAT = 3.6V

Trickle Charge Current vs. Input Voltage

(RSENSE = 0.2Ω; 1.8X Mode)

Input Voltage (V)

100

102

104

4.5

5.5

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