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NCP3125 - High Efficiency Synchronous DC-DC Switching Regulator

NCP3125 icon 1The NCP3125 is a flexible synchronous PWM Switching Buck Regulator. The NCP3125 is capable of producing output voltages as low as 0.8 V. The NCP3125 also incorporates voltage mode control.

To reduce the number of external components, a number of features are internally set, including soft-start and switching frequency. The NCP3125 is currently available in an SOIC-8 package.  Family of parts that are pin to pin compatible.  NCP3125 (4A), NCP3126 (3A), NCP3127 (2A)

Features & Benefits

Features

Benefits

+5 V or +12 V Input Voltage

Ability to use for various input voltages

60 mΩ High-side, 36 mΩ Low-side MOSFET

High efficiency solution due to low Rdson

Output voltage adustable down to 0.8 V

Ability to output different voltages

4 A Continuous Output Current

High power density designs

Fixed 350 kHz PWM Operation

No external components required to set frequency

1.0 % Initial Output Accuracy

High accuracy output and system design

Programmage Current Limit

Ability to use high efficiency solution for lower output current

Applications

  • Set Top Boxes
  • DVD Drives and HDD
  • LCD Monitors and TVs
  • Cable Modems
  • Telecom / Networking / Datacom Equipment

Block Diagram
NCP3125 bd
ONSemiconductor 150px

More Information

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