ISL88731C
Typical Operating Performance DCIN = 20V, 3S2P Li-Battery, T = +25°C, unless otherwise
A
noted.
1.0%
0.5%
0.0%
5.15
5.10
5.05
5.00
4.95
3.23
3.22
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
VDDP LOAD CURRENT (mA)
I VREF (µA)
FIGURE 6. VREF LOAD REGULATION
FIGURE 5. VDD LOAD REGULATION
3.5
3.0
2.5
2.0
1.5
1.0
15
13.0
12.5
12.0
10
5
VCHG (V)
0
-5
11.5
11.0
-10
10.5
10.0
0.5
0.0
ICHG (A)
40
-15
1
2
3
4
5
6
7
8
0
20
60
80
100 120 140 160
AC-ADAPTER CURRENT (A)
TIME (MINUTES)
FIGURE 7. ICM ACCURACY vs AC-ADAPTER CURRENT
FIGURE 8. TYPICAL CHARGING VOLTAGE AND
CURRENT
VCOMP
ICOMP
ICOMP
VCOMP
CHARGE
CURRENT
CHARGE
CURRENT
INDUCTOR
CURRENT
INDUCTOR
CURRENT
FIGURE 10. CHARGE DISABLE
FIGURE 9. CHARGE ENABLE
FN6978.0
March 8, 2010
9
INTERSIL [ Intersil ]
