DESCRIPTION
The LT®3580 is a PWM DC/DC converter containing an internal 2A, 42V switch. The LT3580 can be configured as either a boost, SEPIC or inverting converter. Capable of generating 12V at 550mA or –12V at 350mA from a 5V input, the LT3580 is ideal for many local power supply designs.

FEATURES
■ 2A Internal Power Switch
■ Adjustable Switching Frequency
■ Single Feedback Resistor Sets VOUT
■ Synchronizable to External Clock
■ High Gain SHDN Pin Accepts Slowly Varying Input Signals
■ Wide Input Voltage Range: 2.5V to 32V
■ Low VCESAT Switch: 300mV at 1.5A (Typical)
■ Integrated Soft-Start Function
■ Easily Configurable as a Boost or Inverting Converter
■ User Configurable Undervoltage Lockout (UVLO)
■ Tiny 8-Lead 3mm × 3mm DFN and 8-Lead MSOP Packages

APPLICATIONS
■ VFD Bias Supplies
■ TFT-LCD Bias Supplies
■ GPS Receivers
■ DSL Modems
■ Local Power Supply