LTC1479 LINER [Linear Technology], LTC1479 Datasheet - Page 2

• Manufacturer Part Number: LTC1479
• Description: PowerPath Controller for Dual Battery Systems
• Manufacturer: LINER [Linear Technology]

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