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1A Step-Down Converter With 1% Accuracy in 1.5x2mm QFN


Package | PIN: DLC | 8
Temp: Q (-40 to 125)
Carrier: Cut Tape
Qty Price
1-9 $1.24
10-24 $1.11
25-99 $1.02
100-249 $0.87
250-499 $0.81
500-749 $0.66
750-999 $0.53
1000+ $0.47


  • DCS-Control™ topology
  • 26/25mΩ Internal Power Switches (TPS62823)
  • Up to 3A Output Current (TPS62823)
  • Very Low Quiescent Current of 4 µA
  • Switching Frequency of typically 2.2 MHz
  • 1% Feedback Voltage Accuracy (full temp. range)
  • Enable (EN) and Power Good (PG)
  • Adjustable Output Voltage from 0.6 V to 4V
  • 100% Duty-Cycle Mode
  • Internal Soft-Start Circuitry
  • Seamless Power Save Mode Transition
  • Undervoltage Lockout
  • Active Output Discharge
  • Cycle-by-Cycle Current Limit
  • HICCUP Short-Circuit Protection
  • Over Temperature Protection
  • Create a Custom Design using the TPS62822 with the WEBENCH® Power Designer

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Texas Instruments  TPS62821DLCR

The TPS6282x is an all-purpose and easy to use synchronous step-down DC-DC converterwith a very low quiescent current of only 4µA. It supplies up to 3A output current (TPS62823) froma 2.4V to 5.5V input voltage. Based on the DCS-Control™ topology it provides a fast transientresponse.

The internal reference allows to regulate the output voltage down to 0.6V with a highfeedback voltage accuracy of 1% over the junction temperature range of -40°C to 125°C. The 1,2,3Ascalable pin-to-pin and BOM-to-BOM compatible device family can be used with small 470nHinductors.

The TPS6282x include an automatically entered power save mode to maintain high efficiencydown to very light loads.

The device features a Power Good signal and an internal soft start circuit. It is able tooperate in 100% mode. For fault protection, it incorporates a HICCUP current limit as well as athermal shutdown.

The TPS6282x are packaged in a 2 x 1.5mm QFN-8 package.