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BU4931FVE-TR

BU4931FVE-TR

BU4931FVE-TR

ROHM Semiconductor

2.4V5 Terminals 5-Pin BU4931 Voltage supervisor1 Channels Min 700mV Max 7V

SOT-23

BU4931FVE-TR Datasheet PDF

non-compliant

Technical Specifications

Parameter NameValue
TypeParameter
Factory Lead Time 9 Weeks
Mount Surface Mount
Mounting Type Surface Mount
Package / Case SOT-665
Number of Pins 5
Operating Temperature-40°C~125°C TA
PackagingTape & Reel (TR)
Published 2009
Pbfree Code yes
Part StatusActive
Moisture Sensitivity Level (MSL) 1 (Unlimited)
Number of Terminations 5
ECCN Code EAR99
Type Simple Reset/Power-On Reset
Subcategory Power Management Circuits
Max Power Dissipation210mW
Technology CMOS
Terminal Position DUAL
Terminal FormFLAT
Number of Functions 1
Supply Voltage 2.4V
Base Part Number BU4931
Output Push-Pull, Totem Pole
Pin Count5
Number of Channels 1
Max Supply Voltage7V
Min Supply Voltage700mV
Operating Supply Current 550nA
Max Supply Current 1.4μA
Adjustable Threshold NO
Quiescent Current450nA
Accuracy 1 %
Watchdog TimerNo
Reset Active High/Active Low
Voltage - Threshold 3.1V
Number of Voltages Monitored1
Min Reset Threshold Voltage 3.069V
Max Reset Threshold Voltage 3.131V
Threshold Voltage +3.1V
Undervoltage Threshold3.069V
Overvoltage Threshold3.131V
Height Seated (Max) 0.6mm
RoHS StatusROHS3 Compliant
In-Stock:1286 items

BU4931FVE-TR Product Details

BU4931FVE-TR Overview


There are 5 mounting terminals on the voltage supervisor, each of which has a different function. Power management is packaged in a Tape & Reel (TR) way. To assist you, this IC power includes 1 functions. On this supervisor, there is a series of 1 channels that can be found. The purpose of this IC power is to provide you with a reference of SOT-665 functions. There are a lot of similarities between this IC power and other Simple Reset/Power-On Reset products. When a supply voltage of 2.4V is applied to the power ic, it conducts. When a supply voltage of 1 is applied to the power ic, it conducts. Surface Mount mounts power management on the wall. There is a subcategory of this power ic known as Power Management Circuits. A total of 5 pins are located on this power management. There are 5 pins on the power managment ic. I should note that the minimum supply voltage (Vsup) for this IC management should be at least 700mV, which is the minimum supply voltage that should be applied. The supply voltage (Vsup) should not exceed 7V volts in this IC power. Surface Mount mounting is recommended. We recommend setting the supervisors to -40°C~125°C TA degrees. During operation, this power management system outputs Push-Pull, Totem Pole. In order to maintain a stable supply current for the power management, 550nA is the recommended value. A similar IC managements number of the manufacturer can always be found by using BU4931, the base power ics number. At the most, voltage supervisor can work with a supply temperature of 1.4μA.

BU4931FVE-TR Features


Simple Reset/Power-On Reset type
Minimum supply voltage of 700mV
550nA operating supply current

BU4931FVE-TR Applications


There are a lot of ROHM Semiconductor BU4931FVE-TR Voltage Supervisors applications.

  • Personal computers
  • Electronics installed in the vehicle
  • Household appliances
  • FPGA design
  • Leakage current detection
  • Important electronics for automotive protection
  • Automotive permanent magnet synchronous motors
  • Battery cars
  • Power distribution systems of ICU
  • Power distribution systems of operating room

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