20 Volt Simple Switcher® Module 8A Current Sharing Evaluation Board


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The LMZ23610/8 and LMZ22010/8 SIMPLE SWITCHER® power modules are easy-to-use DC-DC solution capable of driving up to a 10A load. They are available in an innovative package that enhances thermal performance and allows for hand or machine soldering.

The LMZ23610/8 can accept an input voltage rail between 6V and 36V and the LMZ22010/8 can accept an input voltage rail between 6V and 20V. The devices can deliver an adjustable and highly accurate output voltage as low as 0.8V and as high as 6V. The control structure is constant frequency PWM. The control loop operates well with low ESR output capacitors such as ceramics. The precision enable input allows for programmable UVLO of the input supply. The external soft-start capacitor facilitates a controlled and adjustable startup rise time of the output. The LMZ23610 and LMZ22010 family is a reliable and robust solution with the following features: loss-less cycle-by-cycle valley current limit to protect for over current or short-circuit fault, thermal shutdown, input under-voltage lockout, and will start up into a pre-biased output. Free-running switching frequency is 350 kHz and a 350 to 600 kHz synchronization range is supported. Up to 4 modules can be paralled to support up to 40A applications.

  • VIN = 6V to 36V
    • LMZ22010/08 limited to 20V
  • VOUT = 5V, 3.3V, 2.5V, 1.2V
  • IOUT = 0 to 10A
    • LMZ23608 and LMZ22008 limited to 8A
  • θJA = 8.8°C / W, θJC = 1.0°C/W
  • PCB designed on four layers
    • Inner are 2 oz.
    • Outer are 2 oz.
  • Measures 3.54 in. x 3.54 in. (9.0 cm x 9.0 cm)
  • 62mil (.062 inch) thick of FR4 laminate material
  • Max ambient temp of 70°C at full 10A load, no airflow
    • measured at 12 VIN


  • LMZ22008 8A SIMPLE SWITCHER Power Module with 20V Maximum Input Voltage Evaluation Board
Buck modules (integrated inductor)
LMZ22008 8A SIMPLE SWITCHER® Power Module with 20V Maximum Input Voltage and Current Sharing
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Evaluation board

LMZ22008EVAL/NOPB — 20 Volt Simple Switcher® Module 8A Current Sharing Evaluation Board

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Type Title Date
* User guide AN-2093 LMZ23610/8/6 and LMZ22010/8/6 Current Sharing Evaluation Board (Rev. B) 24 Apr 2013
Certificate LMZ22008EVAL/NOPB EU Declaration of Conformity (DoC) 02 Jan 2019

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