Datasheet

LTC4312
2
4312f
ABSOLUTE MAXIMUM RATINGS
Supply Voltage
V
CC
, V
CC2
................................................. –0.3V to 6V
Input Voltages
ACC, DISCEN, ENABLE1-2 ....................... –0.3V to 6V
Input/Output Voltages
SDAIN, SCLIN, SCLOUT1-2,
SDAOUT1-2, FAULT ................................. –0.3V to 6V
(Notes 1, 2)
DISCEN
ACC
GND
V
CC2
FAULT
ENABLE1
ENABLE2
V
CC
SCLOUT1
SDAOUT1
SDAIN
SCLIN
SCLOUT2
SDAOUT2
TOP VIEW
15
DE14 PACKAGE
14-LEAD (4mm = 3mm) PLASTIC DFN
1
2
3
4
5
6
7
14
13
12
11
10
9
8
T
JMAX
= 125°C, θ
JA
= 43°C/W, θ
JC
= 5°C/W
EXPOSED PAD (PIN #15) PCB CONNECTION TO GND IS OPTIONAL
1
2
3
4
5
6
7
8
DISCEN
V
CC
SCLOUT1
SDAOUT1
SDAIN
SCLIN
SCLOUT2
SDAOUT2
16
15
14
13
12
11
10
9
ACC
GND
NC
NC
V
CC2
FAULT
ENABLE1
ENABLE2
TOP VIEW
MS PACKAGE
16-LEAD PLASTIC MSOP
T
JMAX
= 150°C, θ
JA
= 120°C/W, θ
JC
= 21°C/W
PIN CONFIGURATION
ORDER INFORMATION
LEAD FREE FINISH TAPE AND REEL PART MARKING* PACKAGE DESCRIPTION TEMPERATURE RANGE
LTC4312IDE#PBF LTC4312IDE#TRPBF 4312 14-Lead (4mm × 3mm) DFN –40°C to 85°C
LTC4312IMS#PBF LTC4312IMS#TRPBF 4312 16-Lead Plastic MSOP –40°C to 85°C
LTC4312CDE#PBF LTC4312CDE#TRPBF 4312 14-Lead (4mm × 3mm) DFN 0°C to 70°C
LTC4312CMS#PBF LTC4312CMS#TRPBF 4312 16-Lead Plastic MSOP 0°C to 70°C
Consult LTC Marketing for parts specifi ed with wider operating temperature ranges. *The temperature grade is identifi ed by a label on the shipping container.
Consult LTC Marketing for information on non-standard lead based fi nish parts.
For more information on lead free part marking, go to:
http://www.linear.com/leadfree/
For more information on tape and reel specifi cations, go to:
http://www.linear.com/tapeandreel/
Output DC Sink Currents
FAULT ................................................................. 50mA
Operating Ambient Temperature Range
LTC4312C ................................................ 0°C to 70°C
LTC4312I..............................................–40°C to 85°C
Storage Temperature Range ..................–65°C to 150°C
Lead Temperature (Soldering, 10 sec)
MSOP .............................................................. 300°C