GENERAL DESCRIPTION
The ADP1046A is a flexible, digital secondary side controller designed for ac-to-dc and isolated dc-to-dc secondary side applications. The ADP1046A is pin-compatible with the ADP1043A and offers several enhancements and new features, including voltage feedforward and improved loop response to maximize efficiency.

FEATURES
  Integrates all typical PWM controller functions
     7 PWM control signals
     Digital control loop
     Integrated programmable loop filters
     Programmable voltage line feedforward
     Dedicated soft start filter
     Remote and local voltage sense
     Primary and secondary side current sense
     Synchronous rectifier control
     Current sharing
     OrFET control
  I2C interface
  Extensive fault detection and protection
  Extensive programming and telemetry
  Fast digital calibration
  User accessible EEPROM

APPLICATIONS
  AC-to-DC power supplies
  Isolated dc-to-dc power supplies
  Redundant power supply systems
  Server, storage, network, and communications infrastructure