AAT3682(2005) Ver la hoja de datos (PDF) - Advanced Analogic Technologies
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AAT3682 Datasheet PDF : 18 Pages
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AAT3682
Lithium-Ion/Polymer Linear Battery Charger
Typical Characteristics
Charging Current vs. Input Voltage
(RSENSE = 0.2Ω with External Schottky)
600
500
400
VBAT = 4.0V
300
200
VBAT = 3.6V
100
0
4.0
4.5
5.0
5.5
6.0
Input Voltage (V)
Trickle Charge Current vs. Input Voltage
(RSENSE = 0.2Ω; 1.8X Mode)
104
102
100
98
96
94
4
4.5
5
5.5
6
Input Voltage (V)
Charging Current vs. Battery Voltage
(RSENSE = 0.2Ω with External Schottky)
600
500
400
300
VIN = 4.5V
VIN = 5.5V
200
100
VIN = 4.75V
0
2.5
3.0
3.5
4.0
4.5
5.0
Battery Voltage (V)
Safe Operating Area
(TJ(MAX) = 120°C)
7.0
6.0
5.0
TAMB = 85°C
4.0
TAMB = 70°C
3.0
TAMB = 50°C
TAMB = 40°C
2.0
1.0
Schottky VF = 0.2V
0.0
0.0
0.2
0.4
0.6
0.8
Charging Current (A)
Safe Operating Area
(TJ(MAX) = 150°C)
6.2
6.0
5.8
TAMB = 85°C
5.6
TAMB = 70°C
5.4
TAMB = <50°C
5.2
Schottky VF = 0.2V
5.0
0
0.2
0.4
0.6
0.8
Charging Current (A)
3682.2005.02.1.1
7
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