ISL6292_06 Datasheet, PDF (5/20 Pages) Intersil Corporation – Li-ion/Li Polymer Battery Charger

ISL6292
Typical Operating Performance The test conditions for the Typical Operating Performance are: V_IN = 5V, T_A = +25°C,
R_IREF = R_IMIN = 80kΩ, V_BAT = 3.7V, Unless Otherwise Noted (Continued)
4.3
CHARGE CURRENT = 50mA
4.25
4.2
4.15
4.1
4.2 4.5 4.8 5.1 5.4 5.7 6 6.3
V_IN (V)
FIGURE 3. CHARGER OUTPUT VOLTAGE vs INPUT
VOLTAGE CHARGE CURRENT IS 50mA
2
1.8
2A
1.6
1.4
1.5A
1.2
1A
1
0.8
0.6
0.5A
0.4
USB500
0.2
USB100
0
3
3.2
3.4
3.6
3.8
4
V_BAT (V)
FIGURE 4. CHARGE CURRENT vs OUTPUT VOLTAGE
1.6
1.4
1.5A
1.2
1.0
1.0A
0.8
0.6
0.4 0.5A
0.2
0.0
0
20
40
60
80
100 120
TEMPERATURE (°C)
FIGURE 5. CHARGE CURRENT vs AMBIENT TEMPERATURE
2
1.8
1.6
1.4
1.5A
1.2
2A
1
1A
0.8
0.6
0.5A
0.4
0.2
USB100
USB500
0
4.3 4.5 4.7 4.9 5.1 5.3 5.5 5.7 5.9 6.1 6.3 6.5
V_IN (V)
FIGURE 6. CHARGE CURRENT vs INPUT VOLTAGE
2.93
2.928
V2P8 PIN LOADED WITH 2mA
2.926
2.924
2.922
2.92
3.5
4
4.5
5
5.5
6
6.5
V_IN (V)
FIGURE 7. V2P8 OUTPUT vs INPUT VOLTAGE
5
3
2.95
2.9
2.85
2.8
2.75
2.7
0
2
4
6
8
10
V2P8 LOAD CURRENT (mA)
FIGURE 8. V2P8 OUTPUT vs ITS LOAD CURRENT
FN9105.8
November 14, 2006