NCV8843: Buck Regulator, 1.5 A, 340 kHz, with Synchronization Capability

Description: The NCV8843 is a 1.5 A buck regulator IC operating...
  • The NCV8843 is a 1.5 A buck regulator IC operating at a fixed frequency of 340 kHz. The device employs the V2™ control architecture to provide unmatched transient response, the best overall regulation and the simplest loop compensation. 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 foldback short-circuit protection.
  • Features
  • V2™ Control Architecture - Ultra-fast Transient Response, Improved Regulation and Simplified Design
  • 2.0% Error Amp Reference Voltage Tolerance - Tight Output Regulation
  • Cycle-by-Cycle Current Limiting
    - Limits Switch and Inductor Current
  • Switch Frequency Decrease of 4:1 in Short Circuit - Reduces Short Circuit Power Dissipation
  • Bootstrapped Operation (BOOST) - Increased Efficiency and Minimized On-Chip Power Dissipation
  • Synchronization to External Clock (SYNC) - Synchronization to External Clock (SYNC)
  • 1.0 A Shutdown Quiescent Current - Minimize Current Consumption when SHDNB is Asserted
  • Thermal Shutdown - Protect IC from Over-Temperature
  • Soft-Start - Decrease Inrush Current and Minimize Output Over-shoot During Start-Up
  • Pb-Free Packages are Available
  • Applications
  • Automotive
  • Industrial
  • End Products
  • Dc-dc power supplies
  • Technical Documentation & Design Resources
    Evaluation/Development Tool Information
    Product Change Notification
    Availability and Samples
    NCV8843DG
  • Status: Last Shipments
  • Compliance: AEC Qualified PPAP Capable Pb-free Halide free 
  • Description: Buck Regulator, 1.5 A, 340 kHz, with Synchronization Capability
  • Package Type: SOIC-8
  • Package Case Outline: 751-07
  • MSL: 1
  • Container Type: TUBE
  • Container Qty: 98
  • NCV8843DR2G
  • Status: Last Shipments
  • Compliance: AEC Qualified PPAP Capable Pb-free Halide free 
  • Description: Buck Regulator, 1.5 A, 340 kHz, with Synchronization Capability
  • Package Type: SOIC-8
  • Package Case Outline: 751-07
  • MSL: 1
  • Container Type: REEL
  • Container Qty: 2500
  • NCV8843MNR2G
  • Status: Active
  • Compliance: AEC Qualified PPAP Capable Pb-free Halide free 
  • Description: Buck Regulator, 1.5 A, 340 kHz, with Synchronization Capability
  • Package Type: DFN-18
  • Package Case Outline: 505
  • MSL: 1
  • Container Type: REEL
  • Container Qty: 2500
  • NCV8843PWG
  • Status: Last Shipments
  • Compliance: AEC Qualified PPAP Capable Pb-free Halide free 
  • Description: Buck Regulator, 1.5 A, 340 kHz, with Synchronization Capability
  • Package Type: SOIC-16W
  • Package Case Outline: 751R-02
  • MSL: 1
  • Container Type: TUBE
  • Container Qty: 47
  • NCV8843PWR2G
  • Status: Last Shipments
  • Compliance: AEC Qualified PPAP Capable Pb-free Halide free 
  • Description: Buck Regulator, 1.5 A, 340 kHz, with Synchronization Capability
  • Package Type: SOIC-16W
  • Package Case Outline: 751R-02
  • MSL: 1
  • Container Type: REEL
  • Container Qty: 1000
  • Applications
    Specifications
  • Topology: Step-Down 
  • Control Mode: V2 
  • VCC Min (V):
  • VCC Max (V): 40 
  • VO Typ (V): 1.46 
  • IO Typ (A): 1.5 
  • Efficiency (%):
  • fSW Typ (kHz): Up to 700 
  • Package Type: DFN-18 
  • ON Semiconductor Full Web Site