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NCV8842: Buck Regulator, 1.5 A, 170 kHz, with Synchronization Capability

Datasheet: Buck Regulator, 1.5 A, 170 kHz, with Synchronization Capability
Rev. 10 (371.0kB)
Product Overview
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» Product Change Notification
The NCV8842 is a 1.5 A buck regulator IC operating at a fixed frequency of 170 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   Benefits
     
  • 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)
 
  • Parallel Supply Operation or Noise Minimization
  • 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   End Products
  • Automotive
  • Industrial
 
  • Dc-dc power supplies
Technical Documentation & Design Resources
Data Sheets (1) Package Drawings (3)
Product
Status
Compliance
Description
Package
MSL
Container
Budgetary Price/Unit
Type
Case Outline
Type
Temperature
Type
Qty.
NCV8842DG Obsolete 
AEC Qualified
PPAP Capable
Pb-free
Halide free
NCV8842 SOIC-8 751-07 1 260 Tube 98  
NCV8842DR2G Obsolete
AEC Qualified
PPAP Capable
Pb-free
Halide free
NCV8842 SOIC-8 751-07 1 260 Tape and Reel 2500  
NCV8842MNR2G Obsolete
AEC Qualified
PPAP Capable
Pb-free
Halide free
NCV8842 DFN-18 505 1 260 Tape and Reel 2500  
NCV8842PWG Obsolete 
AEC Qualified
PPAP Capable
Pb-free
Halide free
NCV8842 SOIC-16W 751R-02 1 260 Tube 47  
NCV8842PWR2G Obsolete
AEC Qualified
PPAP Capable
Pb-free
Halide free
NCV8842 SOIC-16W 751R-02 1 260 Tape and Reel 1000  
Market Leadtime (weeks) : Contact Factory
Market Leadtime (weeks) : Contact Factory
Market Leadtime (weeks) : Contact Factory
Market Leadtime (weeks) : Contact Factory
Market Leadtime (weeks) : Contact Factory
Case Outlines
751-07    505    751R-02   
NCV8842: Buck Regulator, 1.5 A, 170 kHz, with Synchronization Capability
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