DESCRIPTION
The LTC®4311 is a dual I2C active pull-up designed to enhance data transmission speed and reliability for bus loading conditions well beyond the 400pF I2C specification limit. The LTC4311 operates at supply voltages from 1.6V to 5.5V and is also compatible with SMBus.

FEATURES
■ Improves I2C Bus Rise Time Transition
■ Ensures Data Integrity with Multiple Devices on the I2C Bus.
■ Wide Supply Voltage Range: 1.6V to 5.5V
■ Improves Low State Noise Margin
■ Up to 400kHz Operation
■ Auto Detect Low Power Standby Mode
■ Low (<5μA) Supply Current Shutdown
■ Does Not Load Bus When Disabled or Powered Down
■ Strong Slew Limited Pull-up Current
■ ±8kV Human Body Model ESD Ruggedness
■ 2mm × 2mm DFN and SC70 Packages

APPLICATIONS
■ Notebook and Palmtop Computers
■ Portable Instruments
■ Battery Chargers
■ Industrial Controls
■ TV/Video Products
■ ACPI SMBus Interface