LTC1479IG View Datasheet(PDF) - Linear Technology
Part Name
Description
MFG CO.
LTC1479IG Datasheet PDF : 24 Pages
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DC ELECTRICAL CHARACTERISTICS
VDCIN = 25V, VBAT1 = 16V, VBAT2 = 12V, TA = 25°C unless otherwise noted. (Note 2)
SYMBOL PARAMETER
CONDITIONS
DCIN Good Monitor
VTHDCDIV DCDIV Threshold Voltage
VHYSDCDIV DCDIV Hysteresis Voltage
IBIASDCDIV DCDIV Input Bias Current
VLODCGD DCINGOOD Output Low Voltage
IPUDCGD DCINGOOD Pull-Up Current
ILKGDCGD DCINGOOD Leakage Current
Battery Monitor
(Mode 1) VDCDIV Rising from 1V to 1.5V
(Mode 1) VDCDIV Falling from 1.5V to 1V
(Mode 1) VDCDIV = 1.5V
(Mode 1) VDCDIV = 1V, IDCINGOOD = 100µA
(Mode 1) VDCDIV = 1.5V, VDCINGOOD = 0V
(Mode 1) VDCDIV = 1.5V, VDCINGOOD = 7V
VTHLOBAT Low-Battery Threshold Voltage
VHYSLOBAT Low-Battery Hysteresis Voltage
IBIASBDIV BDIV Input Bias Current
VLOLOBAT LOBAT Output Low Voltage
ILKGLOBAT LOBAT Output Leakage Current
RONBATSW Battery Switch ON Resistance
ILKGBATSW Battery Switch OFF Leakage
Gate Drivers
(Modes 5, 6) VBDIV Falling from 1.5V to 1V
(Modes 5, 6) VBDIV Rising from 1V to 1.5V
(Modes 5, 6) VBDIV = 1.5V
(Modes 5, 6) VBDIV = 1V, ILOBAT = 100µA
(Modes 5, 6) VBDIV = 1.5V, VLOBAT = 7V
(Modes 5, 6) Each Switch Tested Independently
(Modes 5, 6) Each Switch Tested Independently
VGS(ON) Gate-to-Source ON Voltage (GA to GF) (Modes 1, 2, 4, 5, 6) IGS = –1µA
Gate-to-Source ON Voltage (GG, GH) (Modes 2, 4) IGS = –1µA
VGS(OFF)
IBSENSE+
IBSENSE–
Gate-to-Source OFF Voltage
SENSE+ Input Bias Current
SENSE– Input Bias Current
(Modes 1, 2, 4, 5, 6) IGS = 100µA
(Modes 1, 5, 6)
(Modes 1, 5, 6)
VSENSE Inrush Current Limit Sense Voltage (Modes 1, 5, 6)
IPDSAB SAB Pull-Down Current
(Modes 5, 6) VSAB = 10V
IPDSCD SCD Pull-Down Current
(Mode 1) VSCD = 10V
IPDSEF SEF Pull-Down Current
(Mode 1) VSEF = 10V
IPDSG
SG Pull-Down Current
(Mode 1) VSG = 10V
IPDSH
SH Pull-Down Current
(Mode 1) VSH = 10V
Charge Monitor
RONCMON CHGMON Switch ON Resistance
ILKGCMON CHGMON Switch OFF Leakage
Digital Inputs
(Modes 5, 6) Each Switch Tested Independently
(Modes 5, 6) Each Switch Tested Independently
VHIDIGIN
VLODIGIN
IHIDIGIN
ILODIGIN
IPUDIGIN
Input High Voltage
Input Low Voltage
Input Leakage Current
Input Leakage Current
Input Pull-Up Current
(Mode 1) All Digital Inputs
(Mode 1) All Digital Inputs
(Mode 1) All Digital Inputs, VDIGINX = 7V
(Mode 1) VDIGINX = 0V (Note 3)
(Mode 1) VDIGINX = 0V (Note 4)
LTC1479
MIN TYP MAX
UNITS
q 1.190 1.215 1.240
V
10
35
50
mV
20
nA
0
0.1
0.4
V
1
2
6
µA
±1
µA
q 1.190 1.215 1.240
V
10
35
50
mV
20
nA
0
0.1
0.4
V
±1
µA
200 400 800
Ω
±1
µA
5.0
5.5
7.0
V
4.5
5.2
7.0
V
0
0.4
V
5
15
30
µA
5
15
30
µA
q 0.15 0.20 0.25
V
30
100 300
µA
30
100 300
µA
30
100 300
µA
3
mA
3
mA
50
150 250
Ω
±1
µA
q
2
V
q
0.8
V
±1
µA
±1
µA
1
2
6
µA
3
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