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TPS54229EDDAR

Texas Instruments

Conv DC-DC Single Step Down 4.5V to 18V 8-Pin HSOP EP T/R

制造商料号#: TPS54229EDDAR

替代型号#: TPS54229EDDAR


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描述

文档

替代/替换

信息

The TPS54229E is an adaptive on-time D-CAP2 mode synchronous buck converter. The TPS54229E enables system designers to complete the suite of various end-equipment power bus regulators with a cost effective, low component count, low standby current solution. The main control loop for the TPS54229E uses the D-CAP2 mode control that provides afast transient response with no external compensation components. The adaptive on-time control supports seamless transition between PWM mode at higher load conditions and Eco-mode operation at light loads.Eco-mode allows the TPS54229E to maintain high efficiency during lighter load conditions. The TPS54229E also has a proprietary circuit that enables the device to adopt to both low equivalent series resistance (ESR) output capacitors, such as POSCAP or SP-CAP, and ultra-low ESR ceramic capacitors. The device operates from 4.5-V to 18-V VIN input. The output voltage can be programmed between 0.76 V and 7 V. The device also features an adjustable soft start time. The TPS54229E is available in the 8-pin DDA package, and designed to operate from –40°C to 85°C.

技术参数

  • D-CAP2™ Mode Enables Fast Transient Response
  • Low Output Ripple and Allows Ceramic Output Capacitor
  • Wide VIN Input Voltage Range: 4.5 V to 18 V
  • Output Voltage Range: 0.76 V to 7.0 V
  • Highly Efficient Integrated FETs Optimized
    for Lower Duty Cycle Applications
    – 160 mO (High Side) and 110 mO (Low Side)
  • High Efficiency, less than 10 µA at shutdown
  • High Initial Bandgap Reference Accuracy
  • Adjustable Soft Start
  • Pre-Biased Soft Start
  • 650-kHz Switching Frequency (fSW)
  • Cycle By Cycle Over Current Limit
  • Auto-Skip Eco-mode™ for High Efficiency at Light Load
  • 技术特性

    描述
    寻找类似物料
    Mounting
    Surface Mount
    Number of Outputs
    1
    Switching Regulator
    Yes
    Output Type
    Adjustable
    Type
    Step Down
    Maximum Input Voltage
    18 V
    Minimum Input Voltage
    4.5 V
    Maximum Output Current
    2 A
    Lead Finish
    Gold
    Max Processing Temp
    260
    Switching Frequency
    650 kHz
    Operating Temperature
    -40 to 85 °C
    Output Voltage
    0.76 to 7 V

    ECCN / UNSPSC

    描述
    ECCN:
    EAR99
    计划交货期 B:
    85423900139.1
    HTSN:
    85423900139.1
    UNSPSC:
    32101600
    UNSPSC VERSION:
    V15.1101

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