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NR131S - Buck Regulator

Description

The NR131S is buck regulator ICs integrates High-side power MOSFETs.

With the current mode control, ultra low ESR capacitors such as ceramic capacitors can be used.

The ICs can realize super-high efficiency by performing pulse skip operation at light load condition.

Features

  • & Benefits.
  • Current mode PWM control.
  • Up to 94% efficiency at normal load condition.
  • Up to 85% efficiency at light load condition.
  • Stable with low ESR ceramic output capacitors.
  • Built-in protection function Over Current Protection (OCP) Thermal Shutdown (TSD) Under Voltage Lockout (UVLO).
  • Built-in phase compensation.
  • Adjustable Soft-Start with an external capacitor.
  • Turn ON/OFF the regulator function Programable Pulse-Skip operation Electrical Characteris.

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Datasheet preview – NR131S

Datasheet Details

Part number NR131S
Manufacturer Sanken
File Size 735.98 KB
Description Buck Regulator
Datasheet download datasheet NR131S Datasheet
Additional preview pages of the NR131S datasheet.

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Full PDF Text Transcription

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Ultra light load high efficiency,VIN=17V,Current mode Step-down Io=3A Buck Regulator IC NR131S Jul./09/2015 General Descriptions The NR131S is buck regulator ICs integrates High-side power MOSFETs. With the current mode control, ultra low ESR capacitors such as ceramic capacitors can be used. The ICs can realize super-high efficiency by performing pulse skip operation at light load condition. The ICs have protection functions such as Over-Current Protection (OCP), Under-Voltage Lockout (UVLO) and Thermal Shutdown (TSD). Soft starting time can be set up by selecting an external capacitor value. The ON/OFF pin (EN Pin) turns the regulator on or off and helps to achieve low power consumption requirements. The NR131S is available in an 8-pin SOIC package.
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