ISL6255A Intersil Corporation, ISL6255A Datasheet - Page 6

• Manufacturer Part Number: ISL6255A
• Description: Highly Integrated Battery Charger With Automatic Power Source Selector For Notebook Computers
• Manufacturer: Intersil Corporation

Electrical Specifications
NOTE:
Typical Operating Performance
DCPRN Leakage Current
ICM Output Accuracy
(Vicm = 19.9 x (Vcsip-Vcsin))
Thermal Shutdown Temperature
Thermal Shutdown Temperature Hysteresis
6. This is the sum of currents in these pins (CSIP, CSIN, BGATE, BOOT, UGATE, PHASE, CSOP, CSON) all tied to 16.8V. No current in pins EN,
FIGURE 3. ICM ACCURACY vs AC ADAPTER CURRENT
ACSET, DCSET, VADJ, CELLS, ACLIM, CHLIM.
10
9
8
7
6
5
4
3
2
1
0
-0.3
-0.3
-0.6
-0.6
0.6
0.6
0.3
0.3
10
0
0
FIGURE 1. VDD LOAD REGULATION
0
0
PARAMETER
20
30
8
8
LOAD CURRENT (mA)
LOAD CURRENT (mA)
40
CSIP-CSIN (mV)
16
16
50
6
DCIN = CSIP = CSIN = 18V, CSOP = CSON = 12V, ACSET = DCSET = 1.5V, ACLIM = VREF,
VADJ = Floating, EN = VDD = 5V, BOOT-PHASE = 5.0V, GND = PGND = 0V, C
T
A
60
= -10°C to +100°C, T
24
24
VDD=5.075V
VDD=5.075V
EN=0
EN=0
70
DCPRN = 5V
CSIP-CSIN = 100mV
CSIP-CSIN = 75mV
CSIP-CSIN = 50mV
80
32
32
90
DCIN = 20V, 4S2P Li-Battery, T
40
40
ISL6255, ISL6255A
100
J
TEST CONDITIONS
≤
125°C, unless otherwise noted. (Continued)
FIGURE 4. SYSTEM EFFICIENCY vs CHARGE CURRENT
A
= 25°C, unless otherwise noted.
0.08
0.08
0.06
0.06
0.04
0.04
0.02
0.02
0 .9 6
0 .9 6
0 .9 2
0 .9 2
0 .8 8
0 .8 8
0 .8 4
0 .8 4
0 .76
0 .76
0.1
0.1
0 .8
0 .8
0
0
FIGURE 2. VREF LOAD REGULATION
1
1
0
0
0
0
0 .5
0 .5
MIN
-0.5
-3
-4
-5
100
100
LOAD CURRENT (µA)
LOAD CURRENT (µA)
1
1
VCSON=16.8V
VCSON=16.8V
4 CELLS
4 CELLS
CHARGE CURRENT (A)
CHARGE CURRENT (A)
1.5
1.5
VCSON=12.6V
VCSON=12.6V
(3 CELLS)
(3 CELLS)
TYP
150
200
200
25
0
0
0
VDD
2
2
VREF=2.390V
VREF=2.390V
2.5
2.5
= 1µF, I
300
300
VCSON=8.4V
VCSON=8.4V
2 CELLS
2 CELLS
MAX
3
3
0.5
+3
+4
+5
VDD
3 .5
3 .5
= 0mA,
400
400
May 23, 2006
4
4
UNITS
FN9203.2
µA
°C
°C
%
%
%