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BU4937F-TR

BU4937F-TR

BU4937F-TR

ROHM Semiconductor

2.4V4 Terminals 4-Pin BU4937 Voltage supervisor1 Channels Min 700mV Max 7V

SOT-23

BU4937F-TR Datasheet PDF

non-compliant

Technical Specifications

Parameter NameValue
TypeParameter
Factory Lead Time 7 Weeks
Mount Surface Mount
Mounting Type Surface Mount
Package / Case SC-82
Number of Pins 4
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 4
ECCN Code EAR99
Type Simple Reset/Power-On Reset
Subcategory Power Management Circuits
Max Power Dissipation400mW
Technology CMOS
Terminal Position DUAL
Terminal FormGULL WING
Number of Functions 1
Supply Voltage 2.4V
Base Part Number BU4937
Output Push-Pull, Totem Pole
Pin Count4
Power Supplies2.5/5V
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 3.7V
Number of Voltages Monitored1
Min Reset Threshold Voltage 3.663V
Max Reset Threshold Voltage 3.737V
Threshold Voltage +3.7V
Undervoltage Threshold3.663V
Overvoltage Threshold3.737V
Length 2mm
RoHS StatusROHS3 Compliant
In-Stock:28341 items

Pricing & Ordering

QuantityUnit PriceExt. Price
1$0.609526$0.609526
10$0.575025$5.75025
100$0.542476$54.2476
500$0.511770$255.885
1000$0.482802$482.802

BU4937F-TR Product Details

BU4937F-TR Overview


There are 4 terminals on this power management that allow it to be mounted. Tape & Reel (TR)-packaging is used. In this PMIC, you can find 1 functions for your reference. There are 1 channels on this power managment ic that can be found in a series. IC management is packaged as a SC-82 package. There are a lot of similarities between this IC management and other Simple Reset/Power-On Reset products. There is a voltage supply of 2.4V for the PMIC chip, and the chip conducts at that voltage. There is a voltage supply of 1 for the PMIC chip, and the chip conducts at that voltage. Surface Mount mounts power management on the wall. This power ic can be sub-categorized as Power Management Circuits. In total, it has 4 pins on IC management. There are 4 pins on the power managment ic. There should be a minimum voltage supply (Vsup) of 700mV for this PMIC. It is recommended that the maximum supply voltage (Vsup) in this IC power be no more than 7V volts. Power management recommends the Surface Mount mounting type. You should set the supervisor's temperature during -40°C~125°C TA . As this power managment ic operates, it is able to produce an output voltage of Push-Pull, Totem Pole. As far as the supply current of the power management is concerned, it is 550nA. It is always advisable to use BU4937, the base supervisor number, when searching for similar PMICs from the manufacturer. In order to operate this power management, it requires 2.5/5V volts of power. At most, voltage supervisor can operate at a supply temperature of 1.58μA.

BU4937F-TR Features


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

BU4937F-TR Applications


There are a lot of ROHM Semiconductor BU4937F-TR Voltage Supervisors applications.

  • Leakage current detection
  • Automotive permanent magnet synchronous motors
  • Transformer load monitoring equipment
  • Power distribution systems of infant care room
  • Rechargeable batteries
  • Stable power system
  • Military electronics
  • Power distribution systems of ICU
  • Microcontroller system
  • Refrigeration

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