Dual Mode PWM/Linear BUCK Converter

The NCP1500 is a dual mode converter that operates as either a pulse width modulated (PWM) buck converter or as a linear Regulator The converter automatically transitions between the two modes. The converter operates as a PWM when a synchronization signal is present at the sync input. The converter operates as a linear Regulator in the absence of a synchronization signal. The PWM mode offers excellent performance at normal to heavy loads at the sacrifice of output ripple voltage. The linear mode offers excellent noise rejection at the sacrifice of system efficiency. The user is able to select which mode will give the best performance for a given operating condition. Internal protection features include thermal shutdown with hysteresis and cyclebycycle current limit in the PWM mode. Additionally, the converter transitions into PFM mode at very light loads if a synchronization signal is present and an output overvoltage condition is detected. By ON Semiconductor
NCP1500 's PackagesNCP1500 's pdf datasheet
NCP1500DMR2
NCP1500DMR2G




NCP1500 Pinout, Pinouts
NCP1500 pinout,Pin out
This is one package pinout of NCP1500,If you need more pinouts please download NCP1500's pdf datasheet.

NCP1500 Application circuits
NCP1500 circuits
This is one application circuit of NCP1500,If you need more circuits,please download NCP1500's pdf datasheet.


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