TPS54872 8A Active Bus Termination/ DDR Memory DC/DC Converter | TI.com

TPS54872 (ACTIVE)

8A Active Bus Termination/ DDR Memory DC/DC Converter

 

Description

As a member of the SWIFT™ family of dc/dc regulators, the TPS54872 low-input voltage high-output current synchronous-buck PWM converter integrates all required active components. Included on the substrate with the listed features are a true, high performance, voltage error amplifier that enables maximum performance under transient conditions and flexibility in choosing the output filter L and C components; an under-voltage-lockout circuit to prevent start-up until the input voltage reaches 3.8 V; an internally set slow-start circuit to limit in-rush currents; and a status output to indicate valid operating conditions.

The TPS54872 is available in a thermally enhanced 28-pin TSSOP (PWP) PowerPAD™ package, which eliminates bulky heatsinks. TI provides evaluation modules and the SWIFT designer software tool to aid in quickly achieving high-performance power supply designs to meet aggressive equipment development cycles.

Features

  • Tracks Externally Applied Reference Voltage
  • 30-m MOSFET Switches for High Efficiency at 8-A Continuous Output Source or Sink Current
  • 6% to 90% VI Output Tracking Range
  • Wide PWM Frequency:
       Fixed 350 kHz or Adjustable 280 kHz to 700 kHz
  • Load Protected by Peak Current Limit and Thermal Shutdown
  • Integrated Solution Reduces Board Area and Total Cost
  • APPLICATIONS
    • DDR Memory Termination Voltage
    • Active Termination of GTL and SSTL High-Speed Logic Families
    • DAC Controlled High Current Output Stage
    • Precision Point of Load Power Supply

PowerPAD and SWIFT are trademarks of Texas Instruments.

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Parametrics Compare all products in DDR memory

 
DDR memory type
Control mode
Iout VTT (Max) (A)
Iq (Typ) (mA)
Output
Vin (Min) (V)
Vin (Max) (V)
Features
Rating
Operating temperature range (C)
Package Group
Package size: mm2:W x L (PKG)
TPS54872 TPS53317 TPS54372 TPS54672
DDR
DDR2
DDR3    
DDR
DDR2
DDR3
DDR3L
DDR4
LPDDR2
LPDDR3    
DDR
DDR2
DDR3    
DDR
DDR2
DDR3    
Voltage Mode     D-CAP+
S3
S4/S5    
Voltage Mode     Voltage Mode    
8     6     3     6    
11     0.32     6.2     11    
VTT     VTT     VTT     VTT    
4     1     3     3    
6     6     6     6    
Status Pin     Complete Solution     Status Pin     Status Pin    
Catalog     Catalog     Catalog     Catalog    
-40 to 85     -40 to 85     -40 to 85     -40 to 85    
HTSSOP | 28     VQFN | 20     HTSSOP | 20     HTSSOP | 28    
28HTSSOP: 43 mm2: 4.4 x 9.7 (HTSSOP | 28)     20VQFN: 14 mm2: 3.5 x 4 (VQFN | 20)     20HTSSOP: 42 mm2: 6.4 x 6.5 (HTSSOP | 20)     28HTSSOP: 43 mm2: 4.4 x 9.7 (HTSSOP | 28)