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BU4321F-TR

BU4321F-TR

BU4321F-TR

ROHM Semiconductor

2.4V4 Terminals 4-Pin BU43* Voltage supervisor1 Channels Min 700mV Max 7V

SOT-23

BU4321F-TR Datasheet PDF

non-compliant

Technical Specifications

Parameter NameValue
TypeParameter
Factory Lead Time 5 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 2012
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 BU43*
Output Push-Pull, Totem Pole
Pin Count4
Number of Channels 1
Max Supply Voltage7V
Min Supply Voltage700mV
Max Supply Current 1.75μA
Adjustable Threshold NO
Watchdog TimerNo
Reset Active Low
Voltage - Threshold 2.1V
Number of Voltages Monitored1
Reset Timeout Adjustable/Selectable
Min Reset Threshold Voltage 2.079V
Max Reset Threshold Voltage 2.121V
Threshold Voltage +2.1V
Length 2mm
RoHS StatusROHS3 Compliant
Lead Free Lead Free
In-Stock:26545 items

Pricing & Ordering

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BU4321F-TR Product Details

BU4321F-TR Overview


Power management is mounted through 4 terminals. Power management is packaged in a Tape & Reel (TR) way. Power management is possible to find a series of 1 functions. On this supervisor, there is a series of 1 channels that can be found. In this IC management you will find SC-82 functions for you to refer to. This IC power shares lots of benefits with other Simple Reset/Power-On Reset products. When 2.4V is applied to the power ic, it conducts. When a supply voltage of 1 is applied to the power ic, it conducts. Using Surface Mount, IC management is mounted. This power ic can be sub-categorized as Power Management Circuits. Power management has a total of 4 pins. 4 pins are present on the power management system. A voltage (Vsup) that doesn't fall below 700mV as the minimum supply voltage (Vsup) should be applied to this IC power in order to ensure its proper operation. The supply voltage (Vsup) should not exceed 7V volts in this IC power. The recommended mounting type is Surface Mount. We recommend setting the supervisors to -40°C~125°C TA degrees. As this power managment ic operates, it is able to produce an output voltage of Push-Pull, Totem Pole. For similar manage ics search of the manufacturer, you can always refer to BU43*, the base PMIC number. At most, voltage supervisor can operate at a supply temperature of 1.75μA.

BU4321F-TR Features


Simple Reset/Power-On Reset type
Minimum supply voltage of 700mV

BU4321F-TR Applications


There are a lot of ROHM Semiconductor BU4321F-TR Voltage Supervisors applications.

  • Urban rail transit weak current power monitoring
  • Military communications
  • Low voltage/high power - AI, GPU
  • Refrigeration
  • Power distribution systems of infant care room
  • Radio
  • Medical-specific isolation transformer
  • Linux and server computing
  • Microcontroller system
  • Detection of phase imbalance

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