SC802 SEMTECH [Semtech Corporation], SC802 Datasheet - Page 13

• Manufacturer Part Number: SC802
• Description: Fully Integrated Lithium-Ion Battery Charger System with Timer
• Manufacturer: SEMTECH [Semtech Corporation]

© 2005 Semtech Corp.
POWER MANAGEMENT
PRELIMINARY
Typical Characteristics
1.5
0.5
2
1
0
Drop-out Voltage -vs- Output Current
Output Current -vs- Rprgm
4.4
4.2
3.8
3.6
3.4
3.2
Output Current (m A)
4
3
Resistance (Kohm )
V dropout
Fast Charge
V CHARGE
Battery Charge Profile
700
600
500
400
300
200
100
0
TIME
V CHRGB
13
250
200
150
100
8
6
4
2
0
50
10
SC802 (non-A) Output Current -vs- Rterm
0
0.8 1.5 2.5 3.5 4.5
I CHARGE
Pre-Charge Timeout
SC802 Pre-Charge
20
Time-Out -vs Rtim e
Resistance (Kohm )
Resistance (Kohm )
SC802/SC802A
40
6
Fast Charge Timeout
8.5
0.6
0.5
0.4
0.3
0.2
0.1
0
SC802 Termination
60
10 11.8 14
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