DESCRIPTION
The LT®3959 is a wide input range, current mode, DC/DC controller which is capable of regulating either positive or negative output voltages from a single feedback pin. It can be configured as a boost, SEPIC or inverting converter.

FEATURES
■ Wide VIN Range: 1.6V (2.5V Start-Up) to 40V
■ Positive or Negative Output Voltage Programming with a Single Feedback Pin
■ PGOOD Output Voltage Status Report
■ Internal 6A/40V Power Switch
■ Programmable Soft-Start
■ Programmable Operating Frequency (100kHz to 1MHz) with One External Resistor
■ Synchronizable to an External Clock
■ Low Shutdown Current < 1µA
■ INTVCC Regulator Supplied from VIN or DRIVE
■ Programmable Input Undervoltage Lockout with Hysteresis
■ Thermally Enhanced QFN (5mm × 6mm) and TSSOP Packages

APPLICATIONS
■ Automotive
■ Telecom
■ Industrial