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NCP1501

ON Semiconductor
Part Number NCP1501
Manufacturer ON Semiconductor
Description Dual Mode PWM/Linear Buck Converter
Published Apr 12, 2010
Detailed Description NCP1501 Dual Mode PWM/Linear Buck Converter The NCP1501 is a dual mode regulator that operates either as a PWM Buck Conv...
Datasheet PDF File NCP1501 PDF File

NCP1501
NCP1501

Overview
NCP1501 Dual Mode PWM/Linear Buck Converter The NCP1501 is a dual mode regulator that operates either as a PWM Buck Converter or as a Low Drop Out Linear Regulator.
If a synchronization signal is present, the NCP1501 operates as a current mode PWM converter with synchronous rectification.
The synchronization signal allows the user to control the location of the spurious frequency noise generated by a PWM converter.
Linear mode is active when a synchronization signal is not present.
The NCP1501 configuration allows an efficient high power operation and low noise during system sleep modes.
Features  Synchronous Rectification for Higher Efficiency in PWM Mode  Linear Mode Operation for Low Noise Output at Low Loads  Integrated MOSFETs and Feedback Circuits  Cycle--by--Cycle Peak Current Limit of 800 mA (typ)  Automatic Switching Between PWM and Linear Mode  Operating Frequency Range of 500 to 1000 kHz  Optimized for Ceramic Capacitors and Low Profile Inductors  Thermal Limit Prote...


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