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Synchronous 1MHz 2.5A Step-Down Voltage Regulator

Qty Price
1-9 $4.67
10-24 $4.20
25-99 $3.92
100-249 $3.52
250-499 $3.28
500-749 $2.86
750-999 $2.47
1000+ $2.42


  • Low Component Count and Small Solution Size
  • Stable With Ceramic and Other Low-ESR Capacitors
  • No Loop Compensation Required
  • High Efficiency at a Light Load by DCM Operation
  • Prebias Start-Up
  • Ultra-Fast Transient Response
  • Programmable Soft-Start
  • Programmable Switching Frequency up to 1 MHz
  • Valley Current Limit
  • Output Overvoltage Protection
  • Precision Internal Reference for an Adjustable Output Voltage Down to 0.8 V
  • Thermal Shutdown
  • Key Specifications
    • Input Voltage Range 4.5 V to 42 V
    • 2.5-A OutputCurrent
    • 0.8 V, ±1.5% Reference
    • Integrated Dual N-ChannelMain and Synchronous MOSFETs
    • Thermally Enhanced HTSSOP-20 Package

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Texas Instruments  LM3102TL-1/NOPB

The LM3102 Synchronously Rectified Buck Converter features all required functions toimplement a highly efficient and cost-effective buck regulator. The device can supply 2.5 A toloads with an output voltage as low as 0.8 V. Dual N-channel synchronous MOSFET switches allow alow component count, thus reducing complexity and minimizing board size.

Different from most other COT regulators, the LM3102 does not rely on output capacitorESR for stability, and is designed to work exceptionally well with ceramic and other very low-ESRoutput capacitors. The device requires no loop compensation, results in a fast load transientresponse and simple circuit implementation. The operating frequency remains nearly constant withline variations due to the inverse relationship between the input voltage and the ON-time. Theoperating frequency can be externally programmed up to
1 MHz. Protection features include VCC undervoltage lockout (UVLO),output overvoltage protection, thermal shutdown, and gate drive UVLO. The LM3102 is available inthe thermally enhanced HTSSOP-20 package, and LM3102 is also available in a DSBGA low-profilechip-scale package with reduced output current.