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BU4938G-TR

BU4938G-TR

BU4938G-TR

ROHM Semiconductor

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

SOT-23

BU4938G-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 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
Length 2.9mm
RoHS StatusROHS3 Compliant
Lead Free Lead Free
In-Stock:44498 items

Pricing & Ordering

QuantityUnit PriceExt. Price
1$0.104073$0.104073
10$0.098183$0.98183
100$0.092625$9.2625
500$0.087382$43.691
1000$0.082436$82.436

BU4938G-TR Product Details

BU4938G-TR Overview


A total of 5 terminals are used to mount this power management. This power ic is packaged in a way that looks like a Tape & Reel (TR). To assist you, this IC power includes 1 functions. Depending on the power managment ic you are looking at, you can find a total of 1 channels. For your reference, this PMIC includes a list of SC-74A, SOT-753 functions. It is a IC power that shares many benefits with other products from the Simple Reset/Power-On Reset line. A supply voltage of 2.4V is used to conduct the PMIC chip. IC management conducts in a 1-voltage supply. The power management is mounted by Surface Mount. A IC power such as this can be classified as a Power Management Circuits power management system. Taking into account all of the pins, this power management has a total of 5. There are 5 pins on the supervisor. In order for this PMIC to work correctly, the minimum supply voltage (Vsup) should be greater than 700mV. It is recommended that the maximum supply voltage (Vsup) in this IC power be no more than 7V volts. The recommended mounting type for IC management is Surface Mount. You should set the supervisor's temperature during -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. At the most, voltage supervisor can work with a supply temperature of 1.58μA.

BU4938G-TR Features


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

BU4938G-TR Applications


There are a lot of ROHM Semiconductor BU4938G-TR Voltage Supervisors applications.

  • Utility meter
  • Display equipment
  • Data storage applications
  • Efficient information transmission
  • Microcontroller system
  • Power distribution systems of ICU
  • Low voltage/high power - AI, GPU
  • Smartphones
  • Battery cars
  • Precision measurement

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