• Input Voltage Range: 2.8 V to 5.5 V
• Compatible with Advanced Applications Processors and FPGAs
• 2 LDOs for Powering Internal Processor Functions and I/Os
• High-Speed Serial Interface for Independent Control of Device Functions and Settings
• Precision Internal Reference
• Thermal Overload Protection
• Current Overload Protection
• Software Programmable Regulators
• External Power-On-Reset Function for Buck1 and Buck2 (Power Good with Delay Function)
• Undervoltage Lockout Detector to Monitor Input Supply Voltage
• Step-Down DC-DC Converter (Buck)
  • Programmable VOUT from:
    • Buck1 : 0.8 V - 2 V at 1 A
    • Buck2 : 1 V - 3.5 V at 600 mA
  • Up to 96% Efficiency
  • 2.1-MHz PWM Switching Frequency
  • PWM-to-PFM Automatic Mode Change Under Low Loads
  • ±3% Output Voltage Accuracy
  • Automatic Soft Start
• Linear Regulators (LDO)
  • Programmable VOUT of 1 V to 3.5 V (except “JJ11”, “FX6W”, and "JX6X" options)
  • ±3% Output Voltage Accuracy
  • 300-mA Output Current
  • 30-mV (typical) Dropout

• FPGA, DSP Core Power
• Applications Processors
• Peripheral I/O Power

The LP3907 is a multi-function, programmable Power Management Unit, optimized for low power FPGAs, microprocessors, and DSPs. This device integrates two highly efficient 1-A/600-mA step-down DC-DC converters with dynamic voltage management (DVM), two 300-mA linear regulators, and a 400-kHz I2C interface to allow a host controller access to the internal control registers of the device. The LP3907 additionally features programmable power-on sequencing.