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SC1405B - HIGH SPEED SYNCHRONOUS POWER MOSFET SMART DRIVER

Datasheet Summary

Description

The SC1405B is a Dual-MOSFET Driver with an internal Overlap Protection Circuit to prevent shoot-through.

Each driver is capable of driving a 3000pF load in 15ns rise/ fall time and has ULTRA-LOW propagation delay from input transition to the gate of the power FET’s.

Features

  • ‹ Fast rise and fall times (15ns with 3000pf load) ‹ 14ns max. Propagation delay (BG going low) ‹ Adaptive and programmable shoot-through ‹ ‹ ‹ ‹ ‹ ‹ ‹ protection Wide input voltage range (4.5-25V) Power saving asynchronous mode control Output overvoltage protection/overtemp shutdown Under-Voltage lock-out and power ready signal Less than 10µA stand-by current (EN=low) Improved drive version of SC1405TS High frequency (to 1.2MHz) operation allows use of small inductors and low cost capacitors in.

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Datasheet Details

Part number SC1405B
Manufacturer Semtech Corporation
File Size 261.05 KB
Description HIGH SPEED SYNCHRONOUS POWER MOSFET SMART DRIVER
Datasheet download datasheet SC1405B Datasheet
Additional preview pages of the SC1405B datasheet.

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Full PDF Text Transcription

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High Speed Synchronous Power MOSFET Smart Driver POWER MANAGEMENT Description The SC1405B is a Dual-MOSFET Driver with an internal Overlap Protection Circuit to prevent shoot-through. Each driver is capable of driving a 3000pF load in 15ns rise/ fall time and has ULTRA-LOW propagation delay from input transition to the gate of the power FET’s. Adaptive Overlap Protection circuit ensures that the synchronous FET does not turn on until the top FET source has reached a voltage low enough to prevent shoot-through. The delay between the bottom gate going low to the top gate transitioning high is externally programmable via a capacitor to minimize dead time.
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