
- 制造厂商:TI(德州仪器,Texas Instruments)
- 产品类别:电源管理
- 技术类目:DDR 存储器电源 IC
- 功能描述:9A 有源总线终端/DDR 存储器直流/直流转换器
- 点击这里打开及下载TPS54972的技术文档资料
- TI代理渠道,提供当日发货、严格的质量标准,满足您的目标价格

As a member of the SWIFT™ family of dc/dc regulators, the TPS54972 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 3.0 V; an internally set slow-start circuit to limit in-rush currents; and a status output to indicate valid operating conditions.
The TPS54972 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.
- Tracks Externally Applied Reference Voltage
- 15-m MOSFET Switches for High Efficiency at 9-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
- DDR memory type
- DDR, DDR2, DDR3
- Control mode
- Voltage Mode
- Iout VTT (Max) (A)
- 9
- Iq (Typ) (mA)
- 11
- Output
- VTT
- Vin (Min) (V)
- 3
- Vin (Max) (V)
- 4
- Features
- Status Pin
- Rating
- Catalog
TPS54972的完整型号有:TPS54972PWP、TPS54972PWPR,以下是这些产品的关键参数及官网采购报价:
TPS54972PWP,工作温度:-40 to 85,封装:HTSSOP (PWP)-28,包装数量MPQ:50个,MSL 等级/回流焊峰值温度:Level-2-260C-1 YEAR,引脚镀层/焊球材料:NIPDAU,TI官网TPS54972PWP的批量USD价格:3.432(1000+)
TPS54972PWPR,工作温度:-40 to 85,封装:HTSSOP (PWP)-28,包装数量MPQ:2000个,MSL 等级/回流焊峰值温度:Level-2-260C-1 YEAR,引脚镀层/焊球材料:NIPDAU,TI官网TPS54972PWPR的批量USD价格:2.86(1000+)


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