ACT3704
Rev2, 26-Jul-07
TYPICAL PERFORMANCE CHARACTERISTICS
(VIN = 5V, TA = 25°C, unless otherwise specified.)
Charge Current vs. Battery Termination Voltage
Battery Termination Voltage vs. Charge Current
4.50
4.00
600
550
500
450
400
VIN = 5V
RISET = 47k
ADJ = G
3.50
3.00
2.50
2.00
350
300
250
1.50
1.00
200
150
100
VIN = 5V
0.50
0.00
RISET = 27k
50
0
ADJ = G
0
200
400
600
800
1000
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
4.5
I
BAT (mA)
VBAT (V)
Charge Current vs. Supply Voltage
Charge Current vs. Battery Voltage
575
550
525
500
475
450
425
400
375
350
325
300
600
500
400
Thermal Regulation Circuitry Active
300
200
100
VIN = 5V
BAT = 3.7V
RISET = 47k
VIN = 5V
ISET = 47k
ADJ = G
V
R
275
4.5
6.5
8.5
10.5
12.5 14.5
3.00 3.10 3.20 3.30 3.40 3.50 3.60 3.70 3.80 3.90 4.00 4.10
VIN (V)
VBAT (V)
Charge Current vs. RISET
Battery Termination Voltage vs. Supply Voltage
4.300
1000
900
800
700
600
500
400
4.275
4.250
4.225
4.200
4.175
4.150
4.125
300
200
100
RISET = 47k
IBAT = 100mA
ADJ = IN
VIN = 5V
BAT = 3.7V
V
ADJ = G
4.100
0
0
50
100
150
200
250
300
350
5.0
5.5
6.0
6.5
7.0
7.5
8.0
8.5
9.0
RISET (k)
VIN (V)
Innovative Products. Active Solutions.
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