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NCP1512 - PWM Buck Converter

Description

Pin No.

Ground Connection for the NFET Power Stage.

Features

  • Synchronous Rectification for Higher Efficiency in PWM Mode.
  • Pulsed Switching Mode Operation for Low Current Consumption at Low Loads.
  • Integrated MOSFETs and Feedback Circuits.
  • Cycle -by-Cycle Current Limit.
  • Automatic Switching Between PWM, with External or Internal Oscillator, and Pulsed Mode.
  • Operating Frequency Range of 450 to 1000 kHz.
  • Internal 1.0 MHz Oscillator.
  • Thermal Limit Protection.
  • Built -in Slope Compe.

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Datasheet Details

Part number NCP1512
Manufacturer onsemi
File Size 72.79 KB
Description PWM Buck Converter
Datasheet download datasheet NCP1512 Datasheet

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Full PDF Text Transcription

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NCP1512 Advance Information PWM Buck Converter with a Very Low Iq During Low Load Conditions The NCP1512 is a tri-mode regulator that operates either as a Synchronized PWM Buck Converter, PWM Buck Converter with internal oscillator or as a Pulsed Switching Regulator. If a synchronization signal is present, the NCP1512 operates as a current mode PWM converter with synchronous rectification. The optional external frequency input signal allows the user to control the location of the spurious frequency noise generated by a PWM converter. The Pulsed Switching Regulator mode is active when the Sync Pin is Low. The Pulsed Mode is an extremely low quiescent current Buck Converter. NCP1512 operates in a PWM mode with an internal oscillator when the Sync Pin is held high.
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