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NJM2811 - 7.5A High Power DC/DC Converter Controller IC

General Description

The NJM2811 is a high power step down DC/DC converter IC.

It incorporates 7.5A power transistor, ±2% accuracy precision voltage reference, fixed frequency PWM controller with cycle-by-cycle current limit and low power consumption stand by function.

Key Features

  • Adjustable output voltage more than 5V.
  • Operating Voltage 7.5V to 40V.
  • PWM form Switching Power Supply Control.
  • Internal High Power Transistor 7.5A (min. ).
  • Fixed Frequency Oscillator 72kHz (typ. ).
  • Current Sense Amplifier.
  • Under Voltage Lockout.
  • Thermal Shutdown Circuit.
  • Bipolar Technology.
  • Package Outline TO-220(5PIN) NJM2811TLA2050 Pin 1 locates on the left side of the package drawing (top front view).
  • BLOCK.

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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NJM2811 7.5A High Power DC/DC Converter Controller IC ■GENERAL DESCRIPTION The NJM2811 is a high power step down DC/DC converter IC. It incorporates 7.5A power transistor, ±2% accuracy precision voltage reference, fixed frequency PWM controller with cycle-by-cycle current limit and low power consumption stand by function. The NJM2811 realizes a high power step down application with minimal external components. ■PACKAGE OUTLINE PIN FUNCTION 1:VFB 2:SWOUT 3:GND 4:V+ 5:STBY (VCOMP) ■FEATURES ● Adjustable output voltage more than 5V ● Operating Voltage 7.5V to 40V ● PWM form Switching Power Supply Control ● Internal High Power Transistor 7.5A (min.) ● Fixed Frequency Oscillator 72kHz (typ.