TPS51116-EP
www.ti.com SLUSB52A – OCTOBER 2012 – REVISED NOVEMBER 2012 COMPLETE DDR, DDR2, DDR3, AND LPDDR3 MEMORY POWER SOLUTION
SYNCHRONOUS BUCK CONTROLLER, 1-A LDO, BUFFERED REFERENCE
Check for Samples: TPS51116-EP 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 Output
Capacitor
– Buffered Low Noise 10-mA VREF Output …
