NCP81561: Single-Phase Voltage Regulator for Computing Applications

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The NCP81561 is a high−performance, low−bias current, single−phase regulator with integrated power MOSFET driver. Operating in high switching frequency up to 600 kHz allows employing small size inductor and capacitors. The controller makes use of onsemi’s patented high performance RPM operation. RPM control maximizes transient response while allowing for smooth transitions between discontinuous−frequency−scaling operation and continuous−mode full−power operation. The NCP81561 has an ultra−low offset current monitor amplifier with programmable offset compensation for high−accuracy current monitoring.
Features   Benefits
     
  • High Performance RPM Control System
 
  • Fast Transient Response
  • Differential Remote Output Voltage Sensing
 
  • Improved voltage accuracy at Point of load
  • 2−Bit VID Selects 0 V and Three Preset Voltages
 
  • Flexible output voltage selection
Applications   End Products
  • Notebooks, Desktops & Servers • I/O Supplies • System Power Supplies • Graphic Cards
 
  • Computing products for Industrial applications
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Product
Status
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Description
Package
MSL
Container
Budgetary Price/Unit
Type
Case Outline
Type
Temperature
Type
Qty.
NCP81561MNTXG Active 
Pb-free
Halide free
NCP81561 QFN-20 485EE 1 260 Tape and Reel 4000 Contact Sales Office
Market Leadtime (weeks) : Contact Factory

Product
Description
Pricing ($/Unit)
Compliance
Status
Topology
Phases
Control Mode
VCC Min (V)
VCC Max (V)
fSW Typ (kHz)
Package Type
NCP81561MNTXG  
Pb
H
 Active   
QFN-20
Case Outlines
485EE   
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