ADP1870

RECOMMENDED FOR NEW DESIGNS

Synchronous Buck Controller with Constant On-Time and Valley Current Mode

Part Models
6
1ku List Price
Starting From $1.27

Part Details

  • Power input voltage range: 2.95 V to 20 V
  • On-board bias regulator
  • Minimum output voltage: 0.6 V
  • 0.6 V reference voltage with ±1.0% accuracy
  • Supports all N-channel MOSFET power stages
  • Available in 300 kHz, 600 KHz, and 1.0 MHz options
  • No current-sense resistor required
  • Resistor-programmable current-sense gain
  • Thermal overload protection
  • Short-circuit protection
  • Precision enable input
  • Integrated bootstrap diode for high-side drive
  • Starts into a precharged load
  • Small, 10-lead MSOP package
ADP1870
Synchronous Buck Controller with Constant On-Time and Valley Current Mode
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Documentation

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Software Resources

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Tools & Simulations

ADP187x Buck Designer Tool

Microsoft Excel download tool from ADIsimPower to generate a power supply design complete with a schematic, bill of materials, and performance specifications.

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Evaluation Kits

EVAL-ADP1870

ADP1870 Evaluation Board

Product Details

The evaluation boards can be used to evaluate the ADP1872 or ADP1873 and application circuits using these ICs without requiring any additional software.

EVAL-ADP1870
ADP1870 Evaluation Board

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