Datasheet

LTC2945
2
2945fa
For more information www.linear.com/LTC2945
pin conFiguraTion
absoluTe MaxiMuM raTings
V
DD
Voltage .............................................. –0.3V to 100V
SENSE
+
Voltage ...........................................–1V to 100V
SENSE
–
Voltage .....–1V or SENSE
+
– 1V to SENSE
+
+ 1V
INTV
CC
Voltage (Note 3) ........................... –0.3V to 5.9V
ADR1, ADR0, ADIN, ALERT, SDAO, SDAO
Voltage ......................................................... –0.3V to 7V
INTV
CC
Clamp Current ...........................................35mA
(Notes 1, 2)
LTC2945
12 11 10
4 5 6
TOP VIEW
13
UD PACKAGE
12-LEAD (3mm
×
3mm) PLASTIC QFN
7
8
9
3
2
1INTV
CC
ADR1
ADR0
ALERT
SDAO
SDAI
V
DD
SENSE
+
SENSE
–
ADIN
GND
SCL
T
JMAX
= 125°C, q
JA
= 58.7°C/W
EXPOSED PAD (Pin 13) PCB GND CONNECTION OPTIONAL
1
2
3
4
5
6
V
DD
INTV
CC
ADR1
ADR0
ADIN
GND
12
11
10
9
8
7
SENSE
+
SENSE
–
ALERT
SDAO
SDAI
SCL
TOP VIEW
MS PACKAGE
12-LEAD PLASTIC MSOP
T
JMAX
= 125°C, q
JA
= 135°C/W
LTC2945-1
12 11 10
4 5 6
TOP VIEW
13
UD PACKAGE
12-LEAD (3mm
×
3mm) PLASTIC QFN
7
8
9
3
2
1INTV
CC
ADR1
ADR0
ALERT
SDAO
SDAI
V
DD
SENSE
+
SENSE
–
ADIN
GND
SCL
T
JMAX
= 125°C, q
JA
= 58.7°C/W
EXPOSED PAD (Pin 13) PCB GND CONNECTION OPTIONAL
1
2
3
4
5
6
V
DD
INTV
CC
ADR1
ADR0
ADIN
GND
12
11
10
9
8
7
SENSE
+
SENSE
–
ALERT
SDAO
SDAI
SCL
TOP VIEW
MS PACKAGE
12-LEAD PLASTIC MSOP
T
JMAX
= 125°C, q
JA
= 135°C/W
SCL, SDAI Voltages (Note 4) ..................... –0.3V to 5.9V
SCL, SDAI Clamp Current ........................................5mA
Operating Temperature Range
LTC2945C ................................................ 0°C to 70°C
LTC2945I .............................................–40°C to 85°C
Storage Temperature Range .................. –65°C to 150°C
Lead Temperature (Soldering, 10sec)
MS Package Only ..............................................300°C