ISL88731
Typical Operating Performance
DCIN = 20V, 3S2P Li-Battery, T = +25°C, unless otherwise noted.
A
5.15
1.0%
0.5%
0.0%
3.23
3.22
5.10
5.05
5.00
4.95
3.21
3.20
3.19
3.18
3.17
-0.5%
-1.0%
4.90
4.85
0
20
40
60
80
100
0
50
100
150
200
I VREF (µA)
VDDP LOAD CURRENT (mA)
FIGURE 4. VREF LOAD REGULATION
FIGURE 3. VDD LOAD REGULATION
3.5
3.0
2.5
2.0
1.5
1.0
15%
13.0
10%
5%
12.5
12.0
VCHG (V)
0%
-5%
11.5
11.0
-10%
10.5
10.0
0.5
0.0
ICHG (A)
-15%
1
2
3
4
5
6
7
8
0
20
40
60
80
100
120
140
160
ADAPTER CURRENT (A)
TIME (MINUTES)
FIGURE 6. TYPICAL CHARGING VOLTAGE AND CURRENT
FIGURE 5. ICM ACCURACY vs AC ADAPTER CURRENT
VCOMP
ICOMP
ICOMP
VCOMP
CHARGE
CURRENT
CHARGE
CURRENT
INDUCTOR
CURRENT
INDUCTOR
CURRENT
FIGURE 8. CHARGE DISABLE
FIGURE 7. CHARGE ENABLE
FN9258.0
November 20, 2006
6
INTERSIL [ Intersil ]
