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NCV8842 - Buck Regulator

General Description

SO 8 SO 16W EPAD PIN SYM- DFN 18 BOL FUNCTION 1 15 1 BOOST The BOOST pin provides additional drive voltage to the on

sistor.

The resulting decrease in switch on voltage increases efficiency.

4 VIN This pin is the mai

Key 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 Dissipation.
  • BOOST Lead Allows “Bootstrapped” Operation to Maximize Efficiency.
  • Sync Function for Parallel Supply Operation or Noise Minimization.
  • Shutdown Lead.

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Datasheet Details

Part number NCV8842
Manufacturer onsemi
File Size 371.83 KB
Description Buck Regulator
Datasheet download datasheet NCV8842 Datasheet

Full PDF Text Transcription for NCV8842 (Reference)

Note: Below is a high-fidelity text extraction (approx. 800 characters) for NCV8842. For precise diagrams, and layout, please refer to the original PDF.

NCV8842 1.5 A, 170 kHz, Buck Regulator with Synchronization Capability The NCV8842 is a 1.5 A buck regulator IC operating at a fixed−frequency of 170 kHz. The device uses...

View more extracted text
egulator IC operating at a fixed−frequency of 170 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 NCV8842 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 fo

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