ISL6298-2CR3 Datasheet, PDF (4/17 Pages) Intersil Corporation – Li-ion/Li-Polymer Battery Charger

ISL6298
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
4.25
4.24
4.23
4.22
4.21
4.20
4.19
4.18
4.17
4.16
4.15
0
0.05 0.1 0.15 0.2 0.25 0.3 0.35 0.4
CHARGE CURRENT (A)
FIGURE 1. CHARGER OUTPUT VOLTAGE vs CHARGE
CURRENT
4.216
4.214
4.212
LOAD CURRENT = 10mA
4.210
4.208
4.206
4.204
4.202
4.200
0
20
40
60
80
100
TEMPERATURE (^OC)
FIGURE 2. CHARGER OUTPUT VOLTAGE vs TEMPERATURE
4.30
4.28
CHARGE CURRENT = 10mA
4.26
4.24
4.22
4.20
4.18
4.16
4.14
4.12
4.10
4.3 4.5 4.7 4.9 5.1 5.3 5.5 5.7 5.9 6.1 6.3 6.5
INPUT VOLTAGE (V)
FIGURE 3. CHARGER OUTPUT VOLTAGE vs INPUT
VOLTAGE CHARGE CURRENT IS 50mA
450
400
350
300
250
200
150
100
R_IREF = 50kΩ
50
V_IREF = 0 V
0
0 0.5 1 1.5 2 2.5 3 3.5 4 4.5
BATTERY VOLTAGE (V)
FIGURE 4. CHARGE CURRENT vs BATTERY VOLTAGE
500
450
R_IREF = 50kΩ
400
350
300
250
R_IREF = 100kΩ
200
150
V_IREF = 0 V
100
50
0
0
20
40
60
80
100
TEMPERATURE (^OC)
FIGURE 5. CHARGE CURRENT vs AMBIENT TEMPERATURE
4
0.45
0.40
0.35
R_IREF = 50kΩ
0.30
0.25
0.20
0.15
0.10
V_IREF = 0 V
0.05
0.00
4.3 4.5 4.7 4.9 5.1 5.3 5.5 5.7 5.9 6.1 6.3 6.5
INPUT VOLTAGE (V)
FIGURE 6. CHARGE CURRENT vs INPUT VOLTAGE
FN9173.3
July 20, 2005