Datasheet

LTC4314
2
4314f
ABSOLUTE MAXIMUM RATINGS
Supply Voltages
V
CC
, V
CC2
................................................. –0.3V to 6V
Input Voltages
ACC, DISCEN, ENABLE1-4 ....................... –0.3V to 6V
Input/Output Voltages
SDAIN, SCLIN, SCLOUT1-4,
SDAOUT1-4, FAULT ................................. –0.3V to 6V
(Notes 1, 2)
20 19 18 17
7 8
TOP VIEW
21
UDC PACKAGE
20-LEAD (3mm s 4mm) PLASTIC QFN
9 10
6
5
4
3
2
1
11
12
13
14
15
16
SCLOUT1
SDAOUT1
SDAIN
SCLIN
SCLOUT2
SDAOUT2
SDAOUT4
SCLOUT4
V
CC2
FAULT
SDAOUT3
SCLOUT3
V
CC
DISCEN ACC GND
ENABLE4
ENABLE 3
ENABLE2 ENABLE1
T
JMAX
= 150°C, θ
JA
= 68°C/W, θ
JC
= 4.2°C/W
EXPOSED PAD (PIN 21) PCB CONNECTION TO GND IS OPTIONAL
GN PACKAGE
20-LEAD PLASTIC SSOP
1
2
3
4
5
6
7
8
9
10
TOP VIEW
20
19
18
17
16
15
14
13
12
11
DISCEN
V
CC
SCLOUT1
SDAOUT1
SDAIN
SCLIN
SCLOUT2
SDAOUT2
ENABLE4
ENABLE3
ACC
GND
SDAOUT4
SCLOUT4
V
CC2
FAULT
SDAOUT3
SCLOUT3
ENABLE1
ENABLE2
T
JMAX
= 150°C, θ
JA
= 90°C/W, θ
JC
= 30°C/W
PIN CONFIGURATION
ORDER INFORMATION
LEAD FREE FINISH TAPE AND REEL PART MARKING* PACKAGE DESCRIPTION TEMPERATURE RANGE
LTC4314IUDC#PBF LTC4314IUDC#TRPBF LFMR 20-Lead (3mm × 4mm) QFN –40°C to 85°C
LTC4314IGN#PBF LTC4314IGN#TRPBF LTC4314GN 20-Lead Plastic SSOP –40°C to 85°C
LTC4314CUDC#PBF LTC4314CUDC#TRPBF LFMR 20-Lead (3mm × 4mm) QFN 0°C to 70°C
LTC4314CGN#PBF LTC4314CGN#TRPBF LTC4314GN 20-Lead Plastic SSOP 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
LTC4314C ................................................ 0°C to 70°C
LTC4314I..............................................–40°C to 85°C
Storage Temperature Range ..................–65°C to 150°C
Lead Temperature (Soldering, 10 sec)
SSOP ............................................................... 300°C