DC2481A-B, Demo Board Using the LTM4677/LTM4650 Buck Module Regulator with Digital PSM, LTM4677 + 3x LTM4650 with 4.5V = VIN = 16V, Vout = 0.5V to 1.8V @ 186A

Reference Design using part LTM4677EY#PBF by Analog Devices

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DC2481A-B Image (Sheet 1 of 9)
Efficiency vs Load Current (Sheet 2 of 9)
DC Load Current Sharing (Sheet 3 of 9)
LTM4677EY U1 (Sheet 4 of 9)
LTM4650EY U2 (Sheet 5 of 9)
LTM4650EY U3 (Sheet 6 of 9)
LTM4650EY U4 (Sheet 7 of 9)
Conectors (Sheet 8 of 9)
Dynamic Load Circuit (Sheet 9 of 9)
Image 1 / 9

Manufacturer

Analog Devices
  • Application Category
    Power Supplies
  • Product Type
    DC to DC Single Output Power Supplies
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Associated Documents

For End Products

  • Environmental
  • Storage System
  • Telecom System

Description

  • DC2481A-B, Demonstration Circuit is a high efficiency, high density, module regulator with 4.5V to 16V input range. The output voltage is adjustable from 0.5V to 1.8V and it can supply 186A maximum load current. The demo board has 1+ LTM4677 and 3+ LTM4650 module regulators. The LTM4677 is a dual 18A or single 36A step-down regulator with PMBUs power system management and the LTM4650 is a dual 25A or single 50A step-down regulator

Key Features

  • Conversion Type
    DC to DC
  • Input Voltage
    4.5 to 16 V
  • Output Voltage
    0.5 to 1.8 V
  • Output Current
    186 A
  • Efficiency
    85.8 %
  • Topology
    Buck

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