LP3906 - National Semiconductor

LP3906 Dual High Current Step Down DC/DC and Dual Linear Regulator

The LP3906 is a multi-function, programmable Power Management Unit, optimized for low power FPGAs, Microprocessors and DSPs. This device integrates two highly efficient 1.5A Step-Down DC/DC converters with dynamic voltage management (DVM), two 300mA Linear Regulators and a 400kHz I2C compatible interface to allow a host controller access to the internal cont.

Features

programmable power-on sequencing and is offered in a tiny 5 x 4 x 0.8mm LLP-24 pin package. Features n Compatible with advanced applications processors and FPGAs n 2 LDOs for powering Internal processor functions and I/Os n High speed serial interface for independent control of device functions and settings n Precision internal reference n Thermal overload protection n Current overload protection n 24-lead 5 x 4 x 0.8 mm LLP package n Software Programmable Regulators Key Specifications Step-Down DC/DC Converter (Buck) n 1.5A output current n Programmable Vout from: — Buck1 : 0.8V
  –2.0V — Buck.