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BU4938FVE-TR

BU4938FVE-TR

BU4938FVE-TR

ROHM Semiconductor

2.4V5 Terminals 5-Pin BU4938 Voltage supervisor1 Channels Min 700mV Max 7V

SOT-23

BU4938FVE-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 BU4938
Output Push-Pull, Totem Pole
Pin Count5
Number of Channels 1
Max Supply Voltage7V
Min Supply Voltage700mV
Operating Supply Current 550nA
Max Supply Current 1.58μA
Adjustable Threshold NO
Quiescent Current500nA
Accuracy 1 %
Watchdog TimerNo
Reset Active High/Active Low
Voltage - Threshold 3.8V
Number of Voltages Monitored1
Min Reset Threshold Voltage 3.762V
Max Reset Threshold Voltage 3.838V
Threshold Voltage +3.8V
Undervoltage Threshold3.762V
Overvoltage Threshold3.838V
Height Seated (Max) 0.6mm
RoHS StatusROHS3 Compliant
In-Stock:2975 items

BU4938FVE-TR Product Details

BU4938FVE-TR Overview


It is mounted through 5 terminals on the power management. It is packaged with Tape & Reel (TR). There are 1 functions included in this PMIC so that you can refer to them. Depending on the power managment ic you are looking at, you can find a total of 1 channels. As a reference, this IC power includes SOT-665 functions for your convenience. It is a IC power that shares many benefits with other products from the Simple Reset/Power-On Reset line. When 2.4V is applied to the power ic, it conducts. Power ics operate at 1 supply voltages. The power management is mounted by Surface Mount. The power management system can be categorized as a Power Management Circuits chip. Power management has a total of 5 pins. There are 5 pins on the supervisor. It is recommended that Vsup should not be less than 700mV for this IC power. Voltage (Vsup) shouldn't exceed 7V volts in this PMIC. Mounting type Surface Mount is recommended. Temperature setting for the supervisors should be -40°C~125°C TA. Power management has an output of Push-Pull, Totem Pole during operation. It is estimated that the voltage supervisor's supply current is 550nA. To find similar IC managements from the manufacturer, you can always search by BU4938. Voltage supervisor can work with a supply temperature of 1.58μA at the most.

BU4938FVE-TR Features


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

BU4938FVE-TR Applications


There are a lot of ROHM Semiconductor BU4938FVE-TR Voltage Supervisors applications.

  • Analog circuit
  • Embedded computing
  • Power distribution systems of operating room
  • Rechargeable batteries
  • Network equipment
  • FPGA design
  • Detection of phase sequence
  • Electric heating appliances
  • Leakage current detection
  • Electrical fire monitoring system

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