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TPS53511RGTR

Texas Instruments

Conv DC-DC Single Step Down 2V to 18V 16-Pin PQFN T/R

制造商料号#: TPS53511RGTR

替代型号#: TPS53511RGTR


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描述

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替代/替换

信息

The TPS53511 is an adaptive on-time D-CAP2 mode synchronous buck converter.The device is suitable for points-of-load (POL) in computing power systems, andprovides a cost-effective, low component count, low standby current solution.The main control loop for the TPS53511 uses the D-CAP2 mode control providing afast transient response with no external components. The adaptive on-timecontrol supports seamless operation between PWM mode during heavy loadconditions and reduced frequency operation during light load conditions for highefficiency.

The TPS53511 includes a proprietary circuit that enables the device to adaptto both low equivalent series resistance (ESR) output capacitors, such as POSCAPor SP-CAP, and ultra-low ESR ceramic capacitors. The device operates from 4.5-Vto 18-V supply input, and from 2-V to 18-V input power supply voltage. Thedevice features an adjustable slow start time and a power good function. It alsosupports pre-biased soft start. The TPS53511 is available in the 16-pin QFN

技术参数

  • Continuous 1.5-A Output Current
  • 4.5-V to 18-V Supply Voltage Range
  • 2-V to 18-V Conversion Voltage Range
  • DCAP2 Mode Control Enables Fast Transient Response
  • Low Output Ripple and Support all MLCC Output Capacitor
  • Skip Mode for Light Load Control
  • Highly Efficient Integrated FETs Optimized for Lower Duty CycleApplications
  • High Efficiency, Less than 10-µA Supply Current at Shutdown
  • Adjustable Soft-Start Time
  • Support Pre-Biased Soft Start
  • 700-kHz Switching Frequency
  • Cycle-By-Cycle Overcurrent Limit
  • Open Drain Power Good Indication
  • Internal Bootstrap Switch
  • Small 3 mm × 3 mm, 16-Pin QFN (RGT) Package
  • 技术特性

    描述
    寻找类似物料
    Output Voltage
    -0.1 to 5.7 V
    Load Regulation
    100 mV
    Type
    Step Down
    Switching Regulator
    Yes
    Operating Temperature
    -40 to 85 °C
    Number of Outputs
    1
    Maximum Output Current
    1.5 A
    Mounting
    Surface Mount
    Max Processing Temp
    260
    Operating Supply Voltage
    4.5 to 18 V
    Maximum Input Voltage
    18 V
    Minimum Input Voltage
    2 V
    Line Regulation
    20 mV
    Screening Level
    Industrial
    Lead Finish
    Gold Over Nickel Palladium
    Output Type
    Adjustable
    Switching Frequency
    700 kHz

    ECCN / UNSPSC

    描述
    ECCN:
    EAR99
    计划交货期 B:
    85423900228.1
    HTSN:
    85423900228.1
    UNSPSC:
    32101600
    UNSPSC VERSION:
    V15.1101

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