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NCV8843

ON Semiconductor
Part Number NCV8843
Manufacturer ON Semiconductor
Description Buck Regulator
Published Jan 16, 2007
Detailed Description NCV8843 Buck Regulator Synchronous 1.5 A, 340 kHz The NCV8843 is a 1.5 A buck regulator IC operating at a fixed−frequen...
Datasheet PDF File NCV8843 PDF File

NCV8843
NCV8843

Overview
NCV8843 Buck Regulator Synchronous 1.
5 A, 340 kHz The NCV8843 is a 1.
5 A buck regulator IC operating at a fixed−frequency of 340 kHz.
The device uses the V2t control architecture to provide unmatched transient response, the best overall regulation and the simplest loop compensation for today’s high−speed logic.
The NCV8843 accommodates input voltages from 4.
0 V to 40 V and contains synchronization circuitry.
The on−chip NPN transistor is capable of providing a minimum of 1.
5 A of output current, and is biased by an external “boost” capacitor to ensure saturation, thus minimizing on−chip power dissipation.
Protection circuitry includes thermal shutdown, cycle−by−cycle current limiting and frequency foldback.
Features • V2 Architecture Provides Ultra−Fast Transient Response, Improved Regulation and Simplified Design • Wide Operating Range: 4 V to 40 V • 2.
0% Error Amp Reference Voltage Tolerance • Switch Frequency Decrease of 4:1 in Short Circuit Conditions Reduces Short Circuit Power D...


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