BU90005GWZ-E2EVK-101, Evaluation Kit for featuring BU90005GWZ, synchronous buck DC/DC converter

Reference Design using part BU90005GWZ-E2 by ROHM Semiconductor

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BU90005GWZ-E2EVK-101 Schematic (Sheet 1 of 3)
BU90005GWZ-E2EVK-101 Top View (Sheet 2 of 3)
BU90005GWZ-E2EVK-101 Bottom View (Sheet 3 of 3)
Image 1 / 3

Manufacturer

ROHM Semiconductor
  • Application Category
    Power Supplies
  • Product Type
    DC to DC Single Output Power Supplies

Associated Documents

For End Products

  • Cellular Phone
  • DC to DC Converter
  • Portable
  • Smart Phone
  • Wireless

Description

  • BU90005GWZ-E2EVK-101, Evaluation Kit for featuring BU90005GWZ, synchronous buck DC/DC converter. While accepting a power supply of 2.3-5.5V, an output of 2.5V can be produced. The IC has internal 250 m-Ohm high-side P-channel MOSFET and 220 m-Ohm low-side N-channel MOSFET (at VIN=5V) and a synchronization frequency range of 5.4MHz to 6.6MHz. A fixed Soft Start circuit prevents in-rush current during startup along with UVLO (low voltage error prevention circuit) and TSD (thermal shut-down detection) protection circuits. An EN pin allows for simple ON/OFF control of the IC to reduce standby current consumption. A MODE pin allows the user to select forced PWM (Pulse Width Modulation) mode or forced PFM (Pulse Frequency Modulation) mode utilized power save operation at light load current

Key Features

  • Conversion Type
    DC to DC
  • Input Voltage
    2.3 to 5.5 V
  • Output Voltage
    2.5 V
  • Output Current
    1 A
  • Topology
    Buck

Featured Parts (1)

Featured Parts
Part Number Manufacturer Type Description
BU90005GWZ-E2 ROHM Semiconductor DC to DC Converter and Switching Regulator Chip Conv DC-DC 2.3V to 5.5V Synchronous Step Down Single-Out 2.5V 1A 6-Pin UCSP T/R Buy

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