LM22672EVAL

LM22672 1A SIMPLE SWITCHER Regulator w/ Freq Adj or Synch and Precision Enable EVM

LM22672EVAL

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Overview

The LM22672 evaluation board is designed to demonstrate the capabilities of the LM22672 switching regulator. The LM22672 evaluation board is configured to provide an output voltage of 3.3V up to 1A load current with an input voltage range of 4.5V to 42V. Due to the low RDS(ON) of the integrated N-channel MOSFET and maximum duty -cycle limitations, the minimum input voltage of 4.5V will only provide a 3.3V output voltage for load currents up to 500 mA. For load currents higher than 500 mA, an input voltage of 5.5V or higher is required. The typical operating frequency is 500 kHz. The evaluation board is designed to operate at ambient temperatures up to 50 °C.

Features
  • Input Range: 4.5V to 42V
  • Output Voltage: 3.3V
  • Output Current Range: 0A to 1A
  • Frequency of Operation: 500 kHz
  • Board Size: 1.5 X 1.5 inches
  • Package: PSOP-8

At low input voltages between 4.5V and 6V, a minimum load of approximately 5 mA may be required to reach a regulated 3.3V output voltage. To aid in the design and evaluation of DC/DC buck converter solutions based on the LM22672 switching regulator, the evaluation board can be re-configured for different output voltages.

Buck converters (integrated switch)
LM22672 SIMPLE SWITCHER® 4.5V to 42V, 1A Step-Down Voltage Regulator with Adjustable Frequency LM22672-Q1 1A SIMPLE SWITCHER®, Step-Down Voltage Regulator with Adjustable Frequency LM22675 4.5V to 42V, 1A SIMPLE SWITCHER® buck converter with precision enable LM22675-Q1 1A SIMPLE SWITCHER, Step-Down Voltage Regulator with Precision Enable

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Evaluation board

LM22672EVAL/NOPB – LM22672 1A SIMPLE SWITCHER Regulator w/ Freq Adj or Synch and Precision Enable EVM

TI's Standard Terms and Conditions for Evaluation Items apply.

Technical documentation

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Type Title Date
* User guide AN-1896 LM22672 Evaluation Board (Rev. D) Apr. 23, 2013
More literature LM22672EVAL/NOPB EU Declaration of Conformity (DoC) Jan. 02, 2019

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