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LTC1479 Datasheet(PDF) 2 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) 2 Page - Linear Technology

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LTC1479
ABSOLUTE MAXIMUM RATINGS
PACKAGE/ORDER INFORMATION
ORDER PART
NUMBER
TJMAX = 100°C, θJA = 95°C/ W
Consult factory for Military grade parts.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
TOP VIEW
G PACKAGE (209 mils)
36-LEAD PLASTIC SSOP
36
35
34
33
32
31
30
29
28
27
26
25
24
23
22
21
20
19
DCIN
DCDIV
LOBAT
GA
SAB
GB
GC
SCD
GD
GE
SEF
GF
SENSE+
SENSE –
VCC
VGG
V +
SW
VBKUP
BAT1
BAT2
BDIV
VBAT
CHGMON
BATSEL
GG
SG
GH
SH
DCINGOOD
DCIN/BAT
BATDIS
3DM
CHGSEL
VCCP
GND
DCIN, BAT1, BAT2 Supply Voltages .......... – 0.3V to 32V
SENSE +, SENSE –, VBAT, V + ..................... –0.3V to 32V
GA, GB, GC, GD, GE, GF, GG, GH .............. – 0.3V to 42V
SAB, SCD, SEF, SG, SH ............................ – 0.3V to 32V
SW, VGG ................................................... –0.3V to 42V
DCDIV, BDIV ............................................ – 0.3V to 5.5V
All Logic Inputs (Note 1).......................... – 0.3V to 7.5V
All Logic Outputs (Note 1) ....................... – 0.3V to 7.5V
VCC Regulator Output Current ................................ 1mA
VCCP Regulator Output Current .............................. 1mA
V+ Output Current .................................................. 1mA
VGG Regulator Output Current ............................ 100µA
Operating Temperature
LTC1479CG ............................................. 0
°C to 70°C
LTC1479IG ........................................ – 40
°C to 85°C
Junction Temperature ........................................... 125
°C
Storage Temperature Range ................. – 65
°C to 150°C
Lead Temperature (Soldering, 10 sec).................. 300
°C
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
Power Supplies
VDCIN
DCIN Operating Range
(Mode 1) DCIN Selected
6
28
V
VBAT1
Battery 1 Operating Range
(Mode 5) Battery 1 Selected
6
28
V
VBAT2
Battery 2 Operating Range
(Mode 6) Battery 2 Selected
6
28
V
VBKUP
Backup Operating Range
(Mode 8) Backup Operation
6
28
V
IDCIN
DCIN Operating Current
(Mode 1) DCIN Selected
175
500
µA
IVBAT1
Battery 1 Operating Current
(Mode 5) Battery 1 Selected
150
500
µA
IVBAT2
Battery 2 Operating Current
(Mode 6) Battery 2 Selected
150
500
µA
IVBKUP
Backup Operating Current
(Mode 8) Backup Operation (VBKUP = 6V)
40
100
µA
VCCP
VCCP Regulator Output Voltage
(Modes 1, 5, 6) DCIN, Battery 1 or Battery 2 Selected
q
4.0
4.8
6.0
V
VCC
VCC Regulator Output Voltage
(Modes 1, 5, 6) DCIN, Battery 1 or Battery 2 Selected
q
3.3
3.6
3.9
V
VGG
VGG Gate Supply Voltage
(Modes 1, 5, 6) DCIN, Battery 1 or Battery 2 Selected
q
34.0
36.3
40.0
V
VUVLO
UV Lockout Threshold
(Mode 9) No Power, VBATX Falling from 12V
4.0
4.5
5.0
V
VUVLOHYS
UV Lockout Hysteresis
(Mode 9) No Power, VBATX Rising from 1V
0.2
0.5
1.0
V
VDCIN = 25V, VBAT1 = 16V, VBAT2 = 12V, TA = 25°C unless otherwise noted. (Note 2)
DC ELECTRICAL CHARACTERISTICS
LTC1479CG
LTC1479IG



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