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BD90640UEFJ-C - 1ch Step-Down Switching Regulator

Download the BD90640UEFJ-C datasheet PDF. This datasheet also covers the BD90640HFP-C variant, as both devices belong to the same 1ch step-down switching regulator family and are provided as variant models within a single manufacturer datasheet.

General Description

BD906xx-C series is a step-down switching regulator with integrated POWER MOS FET and have the capability to withstand high input voltage, providing a free setting function of operating switching frequency with external resistor.

Key Features

  • a wide input voltage range (3.5 V to 36 V, Absolute maximum 42 V) and operating temperature range (-40 °C to +125 °C). Furthermore, an external synchronization input pin enables synchronous operation with external clock. Features.
  • AEC-Q100 Qualified (Note 1).
  • Integrated Pch POWER MOS FET.
  • Low Dropout: 100 % ON Duty Cycle.
  • External Synchronization Function.
  • Soft Start Function: 1.38 ms (fSW = 500 kHz).
  • Current Mode Control.
  • Over Current Protection.
  • Low Supp.

📥 Download Datasheet

Note: The manufacturer provides a single datasheet file (BD90640HFP-C-Rohm.pdf) that lists specifications for multiple related part numbers.

Datasheet Details

Part number BD90640UEFJ-C
Manufacturer ROHM
File Size 1.78 MB
Description 1ch Step-Down Switching Regulator
Datasheet download datasheet BD90640UEFJ-C Datasheet

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Other Datasheets by ROHM

Part Number Description
BD90640EFJ-C 1ch Step-Down Switching Regulator
BD90640HFP-C 1ch Step-Down Switching Regulator
BD90610EFJ-C 1ch Step-Down Switching Regulator
BD90610UEFJ-C 1ch Step-Down Switching Regulator
BD90620EFJ-C 1ch Step-Down Switching Regulator

Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

View original datasheet text
Datasheet Input Voltage 3.5 V to 36 V Output SW Current 4 A / 2.5A / 1.25A 1ch Step-Down Switching Regulator BD906xx-C series General Description BD906xx-C series is a step-down switching regulator with integrated POWER MOS FET and have the capability to withstand high input voltage, providing a free setting function of operating switching frequency with external resistor. This switching regulator features a wide input voltage range (3.5 V to 36 V, Absolute maximum 42 V) and operating temperature range (-40 °C to +125 °C). Furthermore, an external synchronization input pin enables synchronous operation with external clock. Features ◼ AEC-Q100 Qualified (Note 1) ◼ Integrated Pch POWER MOS FET ◼ Low Dropout: 100 % ON Duty Cycle ◼ External Synchronization Function ◼ Soft Start Function: 1.