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TPS53129 - 产品图解:
TPS53129-用于低压电源轨的双路同步降压控制器
TPS53129-控制器(外部开关)-DC/DC开关稳压器-电源管理
TPS53129-format to meet latest data sheet standards; added new sections and moved existing sectionsTPS53129 Dual Synchronous Step-Down Controller with Auto-Skip Eco-mode for Low Voltage Power Rails
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TI产品 - TPS53129介绍
TPS53129 - 用于低压电源轨的双路同步降压控制器

TPS53129是TI公司的一款控制器(外部开关)产品,TPS53129是用于低压电源轨的双路同步降压控制器,本页介绍了TPS53129的产品说明、应用、特性等,并给出了与TPS53129相关的TI元器件型号供参考。

TPS53129 - 用于低压电源轨的双路同步降压控制器 - 控制器(外部开关) - DC/DC开关稳压器 - TI公司(Texas Instruments,德州仪器)

产品特性
  • D-CAP2™ Mode Control
    • Fast Transient Response
    • No External Parts Required for Loop Compensation
    • Compatible With Ceramic Output Capacitors
  • High Initial Reference Accuracy (±1%)
  • Low Output Ripple
  • Wide Input Voltage Range: 4.5 V to 24 V
  • Output Voltage Range: 0.76 V to 5.5 V
  • Low-Side RDS(ON) Loss-Less Current Sensing
  • Adaptive Gate Drivers with Integrated Boost Diode
  • Adjustable Soft Start
  • Non-Sinking Pre-Biased Soft Start
  • 700-kHz Switching Frequency
  • Cycle-by-Cycle Over-Current Limiting Control
  • 30-mV to 300-mV OCP Threshold Voltage
  • Thermally Compensated OCP by 4000 ppm/°C at ITRIP
  • Auto-Skip Eco-mode™ for High Efficiency at Light Load
产品应用
  • Point-of-Load Regulation in Low Power Systems for Wide Range of Applications
    • Digital TV Power Supply
    • Networking Home Terminal
    • Digital Set-Top Box (STB)
    • DVD Player/Recorder
    • Gaming Consoles
产品说明

The TPS53129 is a dual, adaptive on-time D-CAP2™ mode synchronous buck controller. The TPS53129 enables system designers to complete the suite of various end equipment’s power bus regulators with cost effective, low component count, and low standby current solution. The main control loop for the TPS53129 uses the D-CAP2™ mode control which provides a very fast transient response with no external components. The TPS53129 also has a circuit that enables the device to adapt to both low equivalent series resistance (ESR) output capacitors such as POSCAP or SP-CAP, and ultra-low ESR, ceramic capacitors. The fixed frequency emulated adaptive on-time control supports seamless operation between PWM mode at heavy load condition and reduced frequency operation at light load for high efficiency down to milliampere range.The device provides convenient and efficient operation with input voltages from 4.5 V to 24 V and output voltages from 0.76 V to 5.5 V.

The TPS53129 is available in 4-mm x 4-mm 24-pin QFN (RGE) or 24-pin TSSOP (PW) packages, and is specified from -40°C to 85°C ambient temperature range.

产品器件信息
PART NUMBERPACKAGEBODY SIZE (NOM)
TPS53129VQFN (24)4.00 mm x 4.00 mm
TSSOP (24)4.40 mm x 7.80 mm
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