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SC483 - Dual Synchronous Buck Pseudo Fixed Frequency Power Supply Controller

Datasheet Summary

Description

Dual Synchronous Buck Pseudo Fixed Frequency Power Supply Controller

Features

  • Constant on-time for fast dynamic response Programmable VOUT range = 0.5.
  • VCCA VBAT Range = 1.8V.
  • 25V DC current sense using low-side RDS(ON) sensing or sense resistor Resistor programmable frequency Cycle-by-cycle current limit Digital soft-start Separate PSAVE option for each switcher Over-voltage/Under-voltage fault protection 10µA Typical shutdown current Low quiescent power dissipation Two Power Good indicators 1% Reference (2% system DC accuracy) Integrated gate drivers w.

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Datasheet Details

Part number SC483
Manufacturer Semtech Corporation
File Size 517.61 KB
Description Dual Synchronous Buck Pseudo Fixed Frequency Power Supply Controller
Datasheet download datasheet SC483 Datasheet
Additional preview pages of the SC483 datasheet.

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Full PDF Text Transcription

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POWER MANAGEMENT Description Dual Synchronous Buck Pseudo Fixed Frequency Power Supply Controller Features Constant on-time for fast dynamic response Programmable VOUT range = 0.5 – VCCA VBAT Range = 1.
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