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BU4839F-TR

BU4839F-TR

BU4839F-TR

ROHM Semiconductor

2.4V4 Terminals 4-Pin BU4839 Voltage supervisor1 Channels Min 700mV Max 7V

SOT-23

BU4839F-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 BU4839
Output Open Drain or Open Collector
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 3.9V
Number of Voltages Monitored1
Min Reset Threshold Voltage 3.861V
Max Reset Threshold Voltage 3.939V
Threshold Voltage +3.9V
Undervoltage Threshold3.861V
Overvoltage Threshold3.939V
Length 2mm
RoHS StatusROHS3 Compliant
In-Stock:27583 items

Pricing & Ordering

QuantityUnit PriceExt. Price
1$0.510000$0.51
10$0.481132$4.81132
100$0.453898$45.3898
500$0.428206$214.103
1000$0.403968$403.968

BU4839F-TR Product Details

BU4839F-TR Overview


A total of 4 terminals are used to mount this power management. Power management is packaged in a Tape & Reel (TR) way. To assist you, this IC power includes 1 functions. This power management is made up of 1 channels which are available in a series format. In this IC management you will find SC-82 functions for you to refer to. There are a lot of similarities between this IC management and other Simple Reset/Power-On Reset products. IC management conducts at a voltage of 2.4V. During operation, the power ic is supplied with a voltage of 1. The mount is attached to Surface Mount. A IC power such as this can be classified as a Power Management Circuits power management system. The total number of pins on this power management is 4. There are 4 pins on the power managment ic. In order for this PMIC to work correctly, the minimum supply voltage (Vsup) should be greater than 700mV. There should be no more than 7V volts of supply voltage (Vsup) in this power management. A Surface Mount mounting type is recommended. We recommend setting the supervisors to -40°C~125°C TA degrees. There is an output voltage of Open Drain or Open Collector from this supervisor when it is operating. The power management's supply current is 550nA. To find similar IC managements from the manufacturer, you can always search by BU4839. There is a requirement for 2.5/5V power to power this power management. At the most, voltage supervisor can work with a supply temperature of 1.58μA.

BU4839F-TR Features


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

BU4839F-TR Applications


There are a lot of ROHM Semiconductor BU4839F-TR Voltage Supervisors applications.

  • Power communication system
  • Detection of phase sequence
  • Solar power charger
  • DSP
  • Stable power system
  • Kitchen appliances
  • Unattended substation automation
  • Transformer load monitoring equipment
  • Display equipment
  • Cloud computing

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