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BU4818F-TR

BU4818F-TR

BU4818F-TR

ROHM Semiconductor

2.4V4 Terminals 4-Pin BU48* Voltage supervisor1 Channels Min 900mV Max 7V

SOT-23

BU4818F-TR Datasheet PDF

non-compliant

Technical Specifications

Parameter NameValue
TypeParameter
Factory Lead Time 7 Weeks
Mount Surface Mount
Mounting Type Surface Mount
Package / Case 4-TSOP (0.049, 1.25mm Width)
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 BU48*
Output Open Drain or Open Collector
Pin Count4
Power Supplies2.5/5V
Number of Channels 1
Max Supply Voltage7V
Min Supply Voltage900mV
Operating Supply Current 550nA
Max Supply Current 1.05μA
Adjustable Threshold NO
Accuracy 1 %
Watchdog TimerNo
Reset Active High/Active Low
Voltage - Threshold 1.8V
Number of Voltages Monitored1
Min Reset Threshold Voltage 1.782V
Max Reset Threshold Voltage 1.818V
Threshold Voltage +1.8V
Length 2mm
RoHS StatusROHS3 Compliant
Lead Free Lead Free
In-Stock:11637 items

Pricing & Ordering

QuantityUnit PriceExt. Price

BU4818F-TR Product Details

BU4818F-TR Overview


There are 4 mounting terminals on the voltage supervisor, each of which has a different function. In terms of packaging, power management follows the Tape & Reel (TR) model. Please find attached 1 functions for your reference in this IC power. There are a total of 1 channels on this supervisor, and they are arranged in a series. In this IC management you will find 4-TSOP (0.049, 1.25mm Width) functions for you to refer to. This IC power shares lots of benefits with 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. A supply voltage of 1 is used to conduct the PMIC chip. The power management is mounted by Surface Mount. There is a subcategory of this power ic known as Power Management Circuits. There are a total of 4 pins on power management. 4 pins are on the supervisor. It is recommended that the minimum supply voltage (Vsup) for this IC management should not be less than 900mV volts. There should be no more than 7V volts of maximum supply voltage (Vsup) in this power management. In this case, Surface Mount is the recommended mounting type. This range of temperature should be set for the supervisors: -40°C~125°C TA. While this power management is operating, it will output Open Drain or Open Collector as the output voltage. For this power management, there is an 550nA volt supply current. If you want to search for similar IC managements of this manufacturer, you can always refer to BU48*, which is the base power ics number. A power supply of 2.5/5V watts is required for the operation of this power management. A maximum supply temperature of 1.05μA can be used with this power management.

BU4818F-TR Features


Simple Reset/Power-On Reset type
Minimum supply voltage of 900mV
550nA operating supply current

BU4818F-TR Applications


There are a lot of ROHM Semiconductor BU4818F-TR Voltage Supervisors applications.

  • Network equipment
  • Set top box
  • Efficient information transmission
  • Precision measurement
  • Radio
  • Solar power charger
  • Stable power system
  • Power distribution systems of infant care room
  • Electric heating appliances
  • Important electronics for automotive safety

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