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


Image is for illustrative purposes only. Please refer to product description.

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


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.
Back to top

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

Find similar products  grouped by common attribute

View this product in our online catalog

This product also features on the following pages and catalog editions:

  •  131/226
  •  132/225

  • CAD CadSoft_EAGLE (2.51KB) EN
  • Availability

    Availability:  113

    • 113 in stock for same day shipping
    Check stock and lead times
      More stock available week commencing 6/20/16

    Price for: Each

    Minimum order quantity: 1

    Order multiple quantity: 1

    Price: $4.97 $4.97



    Quantity List Price
    1 - 9 $4.97
    10 - 24 $4.40
    25 - 49 $4.10
    50 - 99 $3.88
    100 - 249 $3.60
    250 - 499 $3.42
    500 - 999 $3.07
    1000+ $2.31

    Legislation and Environmental

    Back to top

    Similar Products

    Customer Reviews

    Customer Q&A Exchange


    Like to see information about this product from other customers?

     Read discussions, blogs, documents from our community members.


    Post a question to one of our experts or start a discussion and get responses from supplier experts and fellow engineers in our community.


      Newark Part No. Manufacturer Part No Manufacturer / Description
    Avail Price Qty
    ascdsc ascdsc ascdsc ascdsc ascdsc



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

    Availability:​ 0

    Price for: Each (Supplied on Full Reel)

    2500+ $1.92

      More stock available week commencing 6/20/16

    Not Normally Stocked

    Non-Cancelable / Non Returnable

    Suggested Substitutes



    DC-DC Switching Buck (Step Down) Regulator, Adjustable, 5.5V-36Vin, 1.22V-31Vout, 2Aout, SOIC-8

    Availability:​ 71  

    Price for: Each

    1+ $5.95 10+ $5.26 25+ $4.91 50+ $4.64 More pricing


    Freight Charge: $20.00 once per order

    Delivery in 5-7 days for in stock items

    More stock available week commencing 7/4/16

    Associated Products

    Customers Also Bought