LM3152 - RD-164 - Demonstration Board


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The LM3152-3.3 demonstration board is a part of the PowerWise® family of SIMPLE SWITCHER® Controllers. It has been designed to balance solution size and performance. The Constant-On-Time (COT) Emulated Ripple Mode (ERM) Control allows for the use of low ESR output capacitors and therefore decreases the output voltage ripple while maintaining a fast transient response. There is no loop compensation required for the COT architecture , as there is in voltage-mode and current mode control architectures, which helps to facilitate the ease of design and fast transient response. The demoboard uses a 2-layer , 2 ounce copper PCB with all of the components mounted on the top side. The LM3152-3.3 IC has a fixed output voltage of 3.3V and will operate over the input voltage range of 6V to 24V at 10A load current.

  • Easy To Use with Webench and Offline Design Tools
  • No Loop Compensation Required
  • Low Solution Component Count
  • Ultra-Fast Transient Response
  • Low Output Voltage Ripple (32mVpp)
  • 3.3V Fixed Output Voltage
  • Optimized for 10A Average Load Current
  • 95% Peak Efficiency
  • Constant-On-Time with Emulated Ripple Mode Control
  • 500 kHz Switching Frequency


Buck controllers (external switch)
LM3150 6V to 42V Synchronous Step-Down Controller with Adjustable Output Voltage LM3151 42V Synchronous Step-Down Controller with 3.3V Output and Adjustable Switching Frequency LM3152 42V Synchronous Step-Down Controller with 3.3V Output and 500kHz Switching Frequency

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Evaluation board

LM3152-3.3DEMO – LM3152 - RD-164 - Demonstration Board

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Technical documentation

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Type Title Date
Certificate LM3152-3.3DEMO EU Declaration of Conformity (DoC) Jan. 02, 2019
User guide AN-1900 LM3150 Evaluation Boards (Rev. D) May 01, 2013
User guide LM3152-3.3V Design @10A, Low Ripple, Fast Transient Response 6-24Vin User Guide Jan. 27, 2012
More literature LM3152 - RD-164 - Demonstration Board Jan. 26, 2012

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