SC483 - Dual Synchronous Buck Pseudo Fixed Frequency Power Supply Controller

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Semtech Corporation

Part number	SC483
Manufacturer	Semtech Corporation
File Size	517.61 KB
Description	Dual Synchronous Buck Pseudo Fixed Frequency Power Supply Controller
Datasheet	SC483 Datasheet
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Dual Synchronous Buck Pseudo Fixed Frequency Power Supply Controller

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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Published: Nov 17, 2008 |