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NCP1575

ON Semiconductor
Part Number NCP1575
Manufacturer ON Semiconductor
Description Low Voltage Synchronous Buck Controller
Published Jan 16, 2007
Detailed Description www.DataSheet4U.com NCP1575 Low Voltage Synchronous Buck Controller with Adjustable Switching Frequency The NCP1575 is ...
Datasheet PDF File NCP1575 PDF File

NCP1575
NCP1575

Overview
www.
DataSheet4U.
com NCP1575 Low Voltage Synchronous Buck Controller with Adjustable Switching Frequency The NCP1575 is a low voltage buck controller.
It provides the control for a DC−DC power solution producing an output voltage as low as 0.
980 V over a wide current range.
It contains all required circuitry for a synchronous NFET buck regulator using the V2t control method to achieve the fastest possible transient response and best overall regulation.
The NCP1575 operates at a default switching frequency of 200 kHz, but switching frequency is user−programmable with an additional resistor between ROSC and ground.
This device provides undervoltage lockout protection, soft−start, and built−in adaptive nonoverlap and is assembled in an SOIC−8 package.
The NCP1575−based solution requires a bias supply of 12 V, and it can convert from a bulk power supply ranging from 2 V to 12 V.
Conversion from bulk supplies greater than 7 V is best accomplished by using an external doubler circuit to rais...


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