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MP9928 - Synchronous Step-Down Controller

Datasheet Summary

Description

The MP9928 is a high-voltage, synchronous step-down switching regulator controller that can directly step down voltages from up to 60V.

The MP9928 uses PWM current control architecture with accurate cycle-by-cycle current limiting.

It is capable of driving dual Nchannel MOSFET switches.

Features

  • Wide 4V to 60V Operating Input Range.
  • Dual N-Channel MOSFET Driver.
  • Low Dropout Operation: Maximum Duty Cycle at 99.5%.
  • Programmable Frequency Range: 100kHz - 1000kHz.
  • 180º Out-of-Phase SYNCO.
  • External Soft-Start and PG Pin.
  • Selectable Cycle-by-Cycle Current Limit.
  • Output Over Voltage Protection.
  • Internal LDO with Externally Power Supply Option.
  • Programmable CCM and AAM Pulse- Skipping Mode.
  • Accuracy Over Temperature Protection.
  • TSSOP2.

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Datasheet preview – MP9928

Datasheet Details

Part number MP9928
Manufacturer MPS
File Size 665.69 KB
Description Synchronous Step-Down Controller
Datasheet download datasheet MP9928 Datasheet
Additional preview pages of the MP9928 datasheet.

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Full PDF Text Transcription

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The Future of Analog IC Technology DESCRIPTION The MP9928 is a high-voltage, synchronous step-down switching regulator controller that can directly step down voltages from up to 60V. The MP9928 uses PWM current control architecture with accurate cycle-by-cycle current limiting. It is capable of driving dual Nchannel MOSFET switches. AAM Mode (Advanced asynchronous mode) enables non-synchronous operation and PFM mode to optimize light load efficiency. The operating frequency of MP9928 can be programmed by an external resistor or synchronized to an external clock for noisesensitive applications. Fault protections are available including a precision output over voltage protection (OVP), output over current protection (OCP), and thermal shutdown.
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