ISL9203
Typical Operating Performance
The test conditions for the Typical Operating Performance are: V
IN
= 5V, T
A
= 25掳C,
R
IREF
= R
IMIN
= 80k鈩? V
BAT
= 3.7V, Unless Otherwise Noted.
(Continued)
4.3
CHARGE CURRENT = 50mA
4.25
V
BAT
(V)
CHARGE CURRENT (A)
2.0
1.8
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
4.1
4.2
4.5
4.8
5.1
5.4
V
IN
(V)
5.7
6
6.3
0.0
3.0
3.2
3.4
3.6
V
VBAT
(V)
3.8
4.0
0.5A
1A
1.5A
2A
4.2
4.15
FIGURE 3. CHARGER OUTPUT VOLTAGE vs INPUT
VOLTAGE CHARGE CURRENT IS 50mA
FIGURE 4. CHARGE CURRENT vs OUTPUT VOLTAGE
1.6
1.4
CHARGE CURRENT (A)
1.2
1.0
1.0A
0.8
0.6
0.4
0.2
0.0
0
20
40
60
80
100
120
TEMPERATURE (
o
C)
0.5A
1.5A
CHARGE CURRENT (A)
2.0
1.8
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0.0
4.3
4.5 4.7
4.9 5.1 5.3 5.5
V
IN
(V)
5.7 5.9 6.1 6.3 6.5
0.5A
1A
1.5
FIGURE 5. CHARGE CURRENT vs AMBIENT TEMPERATURE
FIGURE 6. CHARGE CURRENT vs INPUT VOLTAGE
2.93
3
2.95
2.928
V2P8 VOLTAGE (V)
V2P8 PIN LOADED WITH 2mA
V2P8 VOLTAGE (V)
2.9
2.85
2.926
2.924
2.8
2.922
2.75
2.92
3.5
4
4.5
5
V
IN
(V)
5.5
6
6.5
2.7
0
2
4
6
8
10
V2P8 LOAD CURRENT (mA)
FIGURE 7. V2P8 OUTPUT vs INPUT VOLTAGE
FIGURE 8. V2P8 OUTPUT vs ITS LOAD CURRENT
4
FN6106.0
February 3, 2005