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BU4937G-TR

BU4937G-TR

BU4937G-TR

ROHM Semiconductor

2.4V5 Terminals 5-Pin BU4937 Voltage supervisor1 Channels Min 700mV Max 7V

SOT-23

BU4937G-TR Datasheet PDF

non-compliant

Technical Specifications

Parameter NameValue
TypeParameter
Factory Lead Time 20 Weeks
Mount Surface Mount
Mounting Type Surface Mount
Package / Case SC-74A, SOT-753
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 Dissipation540mW
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 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 3.7V
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 2.9mm
RoHS StatusROHS3 Compliant
In-Stock:41232 items

Pricing & Ordering

QuantityUnit PriceExt. Price

BU4937G-TR Product Details

BU4937G-TR Overview


It is mounted through 5 terminals on the power management. Packaged in a Tape & Reel (TR)-shape, IC management comes with a number of features. As a reference, this IC management includes 1 functions for your convenience. There are 1 channels available on this supervisor, and each channel has a different function. In this PMIC, you can find SC-74A, SOT-753 functions for your reference. Compared to other Simple Reset/Power-On Reset products, this PMIC has a lot of benefits to offer. When 2.4V is applied to the power ic, it conducts. A supply voltage of 1 is used to conduct the PMIC chip. By Surface Mount, IC management has been mounted. The power management system can be categorized as a Power Management Circuits chip. In total, IC powers are 5 pins on the board. 5 pins make up the power management. Normally, the supply voltage (Vsup) for this PMIC should not be lower than 700mV. This IC power should be powered by no more than 7V volts of supply voltage (Vsup). The mounting type of the supervisors is Surface MountThis power management is the recommended temperature range for the supervisors: -40°C~125°C TA. During normal operation, this power managment ic can generate Push-Pull, Totem Pole of output voltage. As far as the supply current of the power management is concerned, it is 550nA. You can always use BU4937, the base supervisor number, to search for similar PMICs of the manufacturer. At most, voltage supervisor can operate at a supply temperature of 1.58μA.

BU4937G-TR Features


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

BU4937G-TR Applications


There are a lot of ROHM Semiconductor BU4937G-TR Voltage Supervisors applications.

  • Sensitive sensors
  • Radio
  • Automotive permanent magnet synchronous motors
  • Household appliances
  • DSP
  • Electric heating appliances
  • Military electronics
  • Personal computers
  • DC stabilized power supply module
  • Precision measurement

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