TPS51116-EP - Texas Instruments

TPS51116-EP Synchronous Buck Controller

The TPS51116 provides a complete power supply for DDR/SSTL-2, DDR2/SSTL-18, DDR3/SSTL-15, and LPDDR3 memory systems. It integrates a synchronous buck controller with a 1-A sink/source tracking linear regulator and buffered low noise reference. The TPS51116 offers the lowest total solution cost in systems where space is at a premium. The TPS51116 synchronous .

Features

1
•2 Synchronous Buck Controller (VDDQ)
  – Wide-Input Voltage Range: 3.0-V to 28-V
  – D−CAP™ Mode with 100-ns Load Step Response
  – Current Mode Option Supports Ceramic Output Capacitors
  – Supports Soft-Off in S4/S5 States
  – Current Sensing from RDS(on) or Resistor
  – 2.5-V (DDR), 1.8-V (DDR2), Adjustable to 1.5-V (DDR3) or 1.2-V (LPDDR3) or Output Range 0.75-V to 3.0-V
  – Equipped with Powergood, Overvoltage Protection and Undervoltage Protection
• 1-A LDO (VTT), Buffered Reference (VREF)
  – Capable to Sink and Source 1 A
  – LDO Input Available to Optimize Power Losses
  – Requires only 20-μF Ceramic .