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ISL6257 Datenblatt(PDF) 5 Page - Intersil Corporation

Teilenummer ISL6257
Bauteilbeschribung  Highly Integrated Narrow VDC Battery Charger for Notebook Computers
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Hersteller  INTERSIL [Intersil Corporation]
Direct Link  http://www.intersil.com/cda/home
Logo INTERSIL - Intersil Corporation

ISL6257 Datenblatt(HTML) 5 Page - Intersil Corporation

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5
FN9288.2
January 17, 2007
DCPRN Sink Current
DCPRN = 0.4V
3
8
11
mA
DCPRN Leakage Current
DCPRN = 5V
-0.5
0.5
µA
CSON to GND resistance
CSON = 12.6V
315
380
485
k
Ω
Thermal Shutdown Temperature
150
°C
Thermal Shutdown Temperature Hysteresis
25
°C
NOTE:
4. 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,
ACSET, DCSET, VADJ, CELLS, ACLIM, CHLIM.
Electrical Specifications
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, CVDD =1µF, IVDD =0mA,
TA = -10°C to +100°C, TJ ≤+125°C, unless otherwise noted. (Continued)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNITS
Typical Operating Performance
DCIN = 20V, 4S2P Li-Battery, TA = +25°C, unless otherwise noted.
FIGURE 1. VDD LOAD REGULATION
FIGURE 2. VREF LOAD REGULATION
FIGURE 3. ACCURACY vs AC ADAPTER CURRENT
FIGURE 4. SYSTEM EFFICIENCY vs CHARGE CURRENT
0.6
0.3
0.0
-0.3
-0.6
15
0
5
10
20
40
LOAD CURRENT (mA)
0.10
0.08
0.06
0.04
0.00
0
100
200
300
400
0.02
LOAD CURRENT (
μA)
0
1
2
3
4
5
6
7
8
9
10
10
20
30
40
50
60
70
80
90
100
CSIP-CSIN (mV)
0
LOAD CURRENT (A)
100
96
92
88
84
80
76
1.5
0
0.5
1.0
2.0
2.5
3.0
3.5
4.0
VCSON = 16.8V
VCSON = 8.4V
2 CELLS
VCSON = 12.6V
3 CELLS
4 CELLS
ISL6257


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