Evaluation Board, 3MHz DC/DC Buck Switching Regulator LLP-10 Package

LM2833ZSDEVAL - Evaluation Board, 3MHz DC/DC Buck Switching Regulator LLP-10 Package

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Product Overview

The LM2833ZSDEVAL evaluation board designed to demonstrate the capabilities of the LM2833Z 3MHz switching regulator in the LLP10 package. The board is thermally optimised with the small solution size of 1.2inch X 1.1inch. The output voltage can be configured to a different value by changing the ratio between R1 and R2. The feedback voltage VFB is regulated at 0.60V typically. The board has C5 reserved for two purposes given different application scenarios. First, at high VOUT applications, the control loop bandwidth is not as large as the low VOUT. Adding C5 at high VOUT can significantly improve the load step response by boosting the loop bandwidth without significantly compromising phase margin. Secondly, it also helps to minimise output voltage overshoot during sluggish start up, short circuit release and recovery from thermal shutdown, since it creates a feed forward path between VOUT and VFB, thus speeding up Gm amplifier recovery.
  • 3V to 5.5V input voltage range
  • 0.6V to 4.5V output voltage range
  • 3A steady state output current
  • 3MHz high switching frequency
  • 0.6V, 2% internal voltage reference over line and temperature
  • Internal soft start
  • Internally compensated peak current mode control
  • Cycle by cycle current limit and thermal shutdown
  • Frequency fold back protection
  • Output over voltage protection


Consumer Electronics, Power Management, Communications & Networking

Product Information

National Semiconductor
Power Management - Voltage Regulator
Step Down Switching Regulator
Board Only
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