ISL88731A
Electrical Specifications DCIN = CSSP = CSSN = 18V, CSOP = CSON = 12V, VDDP = 5V, BOOT-PHASE = 5.0V, GND = PGND = 0V,
CVDDP = 1µF, IVDDP = 0mA, TA = -10°C to +100°C. Boldface limits apply over the operating temperature range, -10°C to +100°C. (Continued)
PARAMETER
CONDITIONS
MIN
MAX
(Note 6) TYP (Note 6) UNITS
Battery Quiescent Current
Adapter Quiescent Current
INPUT CURRENT REGULATION
Adapter present, not charging,
ICSOP + ICSON + IPHASE + ICSSP + ICSSN + IFB
VPHASE = VCSON = VCSOP = VDCIN = 19V, VACIN = 5V
Adapter Absent
ICSOP + ICSON + IPHASE + ICSSP + ICSSN + IFB
VPHASE = VCSON = VCSOP = 19V, VDCIN = 0V
IDCIN+ICSSP+ICSSN
VADAPTER = 8V to 26V, VBATTERY 4V to 16.8V
135 400 µA
-1
0.2
4
µA
3
10 mA
CSSP to CSSN Full-Scale Current-Sense Voltage CSSP = 19V
106.7 110 113.3 mV
Input Current Accuracy
RS1 = 10mΩ (see Figure 2)
Adapter Current = 11004mA or 3584mA
-3
3
%
RS1 = 10mΩ (see Figure 2)
Adapter Current = 2048mA
-5
5
%
Input Current Limit Gain Error
Based on InputCurrent = 1024mA and 11004mA
-1.5
1.5
%
Input Current Limit Offset
-1
1
mV
CSSP/CSSN Input Voltage Range
8
26
V
ICM Gain
ICM Accuracy
ICM Max Output Current
SUPPLY AND LINEAR REGULATOR
VCSSP-CSSN = 110mV
VCSSP-CSSN = 110mV
VCSSP-CSSN = 55mV or 35mV
VCSSP-CSSN = 20mV
VCSSP-CSSN = 0.1V
20
V/V
-2.5
2.5
%
-4
4
%
-8
8
%
500 µA
DCIN, Input Voltage Range
8
26
V
VDDP Output Voltage
VDDP Load Regulation
VDDSMB Range
8.0V < VDCIN < 28V, no load
0 < IVDDP < 30mA
4.9
5.1
5.3
V
35
100 mV
2.7
5.5
V
VDDSMB UVLO Rising
2.4
2.5
2.6
V
VDDSMB UVLO Hysteresis
40
100 150 mV
VDDSMB Quiescent Current
VDDP = SCL = SDA = 5.5V
20
27
µA
V REFERENCE
VREF Output Voltage
ACOK
0 < IVREF < 300µA
3.1
3.2
3.3
V
ACOK Sink Current
ACOK Leakage Current
ACIN
VACOK = 0.4V, ACIN = 1.5V
VACOK = 5.5V, ACIN = 3.7V
2
8
mA
1
µA
ACIN Rising Threshold
3.1
3.2
3.3
V
ACIN Threshold Hysteresis
40
60
90 mV
ACIN Input Bias Current
-1
1
µA
SWITCHING REGULATOR
Frequency
330 400 440 kHz
4
FN6738.3
June 8, 2011