LTC4311CDC#PBF Overview
Package number Tape and Reel is ready for power buffer.Here's a typical Buffer.Power buffer pinout starts at 6 pins.
LTC4311CDC#PBF Features

LTC4311CDC#PBF Applications
There are a lot of Analog Devices
LTC4311CDC#PBF Signal Buffers, Repeaters, Splitters applications.

Backplane Interconnect
Clock Distribution
Protection Switching
Loopback
Clock Distribution
Servers
Industrial PCs
Test Equipment
Desktop Computers
Laptop Computers (for External Video Cards)

ECCN (US)	EAR99
HTS	8542.39.00.01
Maximum Clock Frequency (kHz)	400
Input Signal Type	I2C Logic
Minimum Operating Supply Voltage (V)	1.6
Maximum Operating Supply Voltage (V)	5.5
Typical Operating Supply Voltage (V)	5|1.8|2.5|3.3
Maximum Supply Current (mA)	0.3
Minimum Operating Temperature (°C)	0
Maximum Operating Temperature (°C)	70
Supplier Temperature Grade	Commercial
Standard Package Name	DFN
Supplier Package	DFN EP
Mounting	Surface Mount
Package Height	0.75(Max)
Package Length	2
Package Width	2
PCB changed	6
Lead Shape	No Lead
Packaging	Tape and Reel
Part Status	Unconfirmed
Type	Buffer
Pin Count	6
RoHS Status	RoHS Compliant