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SC483 - Dual Synchronous Buck Pseudo Fixed Frequency Power Supply Controller

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
File Size 517.61 KB
Description Dual Synchronous Buck Pseudo Fixed Frequency Power Supply Controller
Datasheet download datasheet SC483 Datasheet

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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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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