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LTC1479 Datasheet(PDF) 3 Page - Linear Technology

No. de pieza LTC1479
Descripción Electrónicos  PowerPath Controller for Dual Battery Systems
PDF  24 Pages
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Fabricante Electrónico  LINER [Linear Technology]
Página de inicio  http://www.linear.com
Logo LINER - Linear Technology

LTC1479 Datasheet(HTML) 3 Page - Linear Technology

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



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