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BU4838F-TR

BU4838F-TR

BU4838F-TR

ROHM Semiconductor

2.4V4 Terminals 4-Pin BU4838 Voltage supervisor1 Channels Min 700mV Max 7V

SOT-23

BU4838F-TR Datasheet

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Specifications
Name Value
Type Parameter
Factory Lead Time 6 Weeks
Mount Surface Mount
Mounting Type Surface Mount
Package / Case SC-82
Number of Pins 4
Operating Temperature -40°C~125°C TA
Packaging Tape & Reel (TR)
Published 2009
Pbfree Code yes
Part Status Active
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 Dissipation 400mW
Technology CMOS
Terminal Position DUAL
Terminal Form GULL WING
Number of Functions 1
Supply Voltage 2.4V
Base Part Number BU4838
Output Open Drain or Open Collector
Pin Count 4
Power Supplies 2.5/5V
Number of Channels 1
Max Supply Voltage 7V
Min Supply Voltage 700mV
Operating Supply Current 550nA
Max Supply Current 1.58μA
Adjustable Threshold NO
Quiescent Current 500nA
Accuracy 1 %
Watchdog Timer No
Reset Active High/Active Low
Voltage - Threshold 3.8V
Number of Voltages Monitored 1
Min Reset Threshold Voltage 3.762V
Max Reset Threshold Voltage 3.838V
Threshold Voltage +3.8V
Undervoltage Threshold 3.762V
Overvoltage Threshold 3.838V
Length 2mm
RoHS Status ROHS3 Compliant
Lead Free Lead Free
Pricing & Ordering
Quantity Unit Price Ext. Price
3,000 $0.19530 $0.5859
BU4838F-TR Product Details

BU4838F-TR Overview


This power management consists of 4 mounting terminals on which it can be mounted. Packaged in the form of a Tape & Reel (TR), power management is easy to use. Power management is possible to find a series of 1 functions. Power management consists of 1 channels, each of which can be used independently. The purpose of this IC power is to provide you with a reference of SC-82 functions. There are a number of benefits that this PMIC has in common with other Simple Reset/Power-On Reset manage ics. The supervisor is always powered by a 2.4V volt supply. 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. There is a subcategory of this power ic known as Power Management Circuits. In total, the power management has 4 pins in it. The pins of the power management system count 4. Normally, the supply voltage (Vsup) for this PMIC should not be lower than 700mV. There should be no more than 7V volts of maximum supply voltage (Vsup) in this power management. A Surface Mount mounting type is recommended. This power management is the recommended temperature range for the supervisors: -40°C~125°C TA. During normal operation, this power managment ic can generate Open Drain or Open Collector of output voltage. For this power management, there is an 550nA volt supply current. For similar manage ics search of the manufacturer, you can always refer to BU4838, the base PMIC number. It requires 2.5/5V watts of power to operate this voltage supervisor. At the most, voltage supervisor can work with a supply temperature of 1.58μA.

BU4838F-TR Features


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

BU4838F-TR Applications


There are a lot of ROHM Semiconductor BU4838F-TR Voltage Supervisors applications.

  • Urban rail transit weak current power monitoring
  • Kitchen appliances
  • Power distribution systems of CCU
  • Medical-specific isolation transformer
  • Automotive power systems
  • Personal computers
  • Battery-powered equipment
  • Electronics installed in the vehicle
  • Multi-voltage system
  • Power distribution systems of ICU

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