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BU4840FVE-TR

BU4840FVE-TR

BU4840FVE-TR

ROHM Semiconductor

2.4V5 Terminals 5-Pin BU4840 Voltage supervisor1 Channels Min 700mV Max 7V

SOT-23

BU4840FVE-TR Datasheet PDF

non-compliant

Technical Specifications

Parameter NameValue
TypeParameter
Factory Lead Time 9 Weeks
Mount Surface Mount
Mounting Type Surface Mount
Package / Case SOT-665
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 Dissipation210mW
Technology CMOS
Terminal Position DUAL
Terminal FormFLAT
Number of Functions 1
Supply Voltage 2.4V
Base Part Number BU4840
Output Open Drain or Open Collector
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 4V
Number of Voltages Monitored1
Min Reset Threshold Voltage 3.96V
Max Reset Threshold Voltage 4.04V
Threshold Voltage +4V
Undervoltage Threshold3.96V
Overvoltage Threshold4.04V
Height Seated (Max) 0.6mm
RoHS StatusROHS3 Compliant
In-Stock:34390 items

Pricing & Ordering

QuantityUnit PriceExt. Price
1$0.489714$0.489714
10$0.461994$4.61994
100$0.435843$43.5843
500$0.411173$205.5865
1000$0.387899$387.899

BU4840FVE-TR Product Details

BU4840FVE-TR Overview


This power management consists of 5 mounting terminals on which it can be mounted. Power management is packaged in a Tape & Reel (TR) way. In this PMIC, you can find 1 functions for your reference. It is possible to find on this power management a series of 1 channels. In this IC management you will find SOT-665 functions for you to refer to. 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. During operation, the power ic is supplied with a voltage of 1. Surface Mount is the one that mounts power management. There is a subcategory of this power ic known as Power Management Circuits. Taking into account all of the pins, this power management has a total of 5. Power managment ic pin count is 5. There should be a minimum voltage supply (Vsup) of 700mV for this PMIC. The maximum supply voltage (Vsup) is not to exceed 7V volts in this IC management. The recommended mounting type for IC management is Surface Mount. Temperature setting for the supervisors should be -40°C~125°C TA. During normal operation, this power managment ic can generate Open Drain or Open Collector of output voltage. In order to maintain a stable supply current for the power management, 550nA is the recommended value. A similar IC managements number of the manufacturer can always be found by using BU4840, the base power ics number. Voltage supervisor can work with a supply temperature of 1.58μA at the most.

BU4840FVE-TR Features


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

BU4840FVE-TR Applications


There are a lot of ROHM Semiconductor BU4840FVE-TR Voltage Supervisors applications.

  • Low voltage/high power - AI, GPU
  • Battery-powered equipment
  • Unattended substation automation
  • Network equipment
  • FPGA design
  • Urban rail transit weak current power monitoring
  • Electrical fire monitoring system
  • Efficient information transmission
  • Insulation fault location system
  • Fire equipment power monitoring system

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