TEXAS INSTRUMENTS  TPS5420D  DC-DC Switching Step Down Regulator, Adjustable, 5.5V-36Vin, 1.22V-31Vout, 2Aout, SOIC-8

TEXAS INSTRUMENTS TPS5420D

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Product Overview


The TPS5420D is a High-output-current PWM Converter integrates a low resistance high side N-channel MOSFET. Included on the substrate with the listed features is a high performance voltage error amplifier that provides tight voltage regulation accuracy under transient conditions; an under-voltage-lockout circuit to prevent start-up until the input voltage reaches 5.5V, an internally set slow-start circuit to limit inrush currents and a voltage feed-forward circuit to improve the transient response. Using the ENA pin, shutdown supply current is reduced to 18µA typically. Other features include an active-high enable, over-current limiting, overvoltage protection and thermal shutdown. To reduce design complexity and external component count, the TPS5420 feedback loop is internally compensated.
  • Up to 2A continuous (3A peak) output current
  • High efficiency up to 95% enabled by 110mΩ integrated MOSFET switch
  • Wide output voltage range, adjustable down to 1.22V with 1.5% initial accuracy
  • Internal compensation minimizes external parts count
  • Fixed 500kHz switching frequency for small filter size
  • Improved line regulation and transient response by input voltage feed forward
  • System protected by overcurrent limiting, over voltage protection and thermal shutdown
  • Green product and no Sb/Br

Applications

Consumer Electronics; Industrial; Audio; Automotive; Power Management
Device has limited built-in ESD protection. The leads should be shorted together or the device placed in conductive foam during storage or handling to prevent electrostatic damage to the MOS gates.
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Product Information


  • Input Voltage Min 5.5V
  • Input Voltage Max 36V
  • No. of Outputs 1Outputs
  • DC / DC Converter IC Case SOIC
  • No. of Pins 8Pins
  • Output Current 2A
  • Output Voltage Min 1.22V
  • Output Voltage Max 31V
  • Switching Frequency 500kHz
  • Topology Buck (Step Down)
  • Operating Temperature Max 125°C
  • Packaging Cut Tape
  • MSL MSL 2 - 1 year
  • Operating Temperature Min -40 °C
  • Primary Input Voltage 36 V
  • SVHC No SVHC (15-Jun-2015)
  • Output Voltage 31 V

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  • CAD CadSoft_EAGLE (2.51KB) EN
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    Substitutes


      Newark Part No. Manufacturer Part No Manufacturer / Description
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    Availability:​ 0

    Price for: Each (Supplied on Full Reel)

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      More stock available week commencing 6/20/16

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    Non-Cancelable / Non Returnable

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    Freight Charge: $20.00 once per order

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    More stock available week commencing 7/4/16

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