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BU4843F-TR

BU4843F-TR

BU4843F-TR

ROHM Semiconductor

2.4V4 Terminals 4-Pin BU4843 Voltage supervisor1 Channels Min 900mV Max 7V

SOT-23

BU4843F-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 BU4843
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 1.75μA
Adjustable Threshold NO
Accuracy 1 %
Watchdog TimerNo
Reset Active High/Active Low
Voltage - Threshold 4.3V
Number of Voltages Monitored1
Min Reset Threshold Voltage 4.257V
Max Reset Threshold Voltage 4.343V
Threshold Voltage +4.3V
Length 2mm
RoHS StatusROHS3 Compliant
Lead Free Lead Free
In-Stock:28861 items

Pricing & Ordering

QuantityUnit PriceExt. Price
1$3.772400$3.7724
10$3.558868$35.58868
100$3.357423$335.7423
500$3.167380$1583.69
1000$2.988094$2988.094

BU4843F-TR Product Details

BU4843F-TR Overview


There are 4 terminals on this power management that allow it to be mounted. There is a Tape & Reel (TR)-packaging method applied to IC management. There are 1 functions included in this PMIC so that you can refer to them. This power managment ic consists of 1 channels, each of which can be used independently. For your reference, this PMIC includes a list of SC-82 functions. Compared to other Simple Reset/Power-On Reset products, this PMIC has a lot of benefits to offer. Manage ics operate at 2.4V supply voltages. During operation, the power ic is supplied with a voltage of 1. By Surface Mount, IC management has been mounted. The power management system can be categorized as a Power Management Circuits chip. Power management has a total of 4 pins. The pins of the power management system count 4. It is recommended that the minimum supply voltage (Vsup) for this IC management should not be less than 900mV volts. The maximum supply voltage (Vsup) in this PMIC should not exceed 7V volts. The recommended mounting type for IC management is Surface Mount. It is recommended to set the supervisor's temperature to this range: -40°C~125°C TA. During operation, this power management system outputs Open Drain or Open Collector. As far as the supply current of the power management is concerned, it is 550nA. If you want to search for similar IC managements of this manufacturer, you can always refer to BU4843, which is the base power ics number. It is necessary to have 2.5/5V volts of power in order for this voltage supervisor to operate. At the most, voltage supervisor can work with a supply temperature of 1.75μA.

BU4843F-TR Features


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

BU4843F-TR Applications


There are a lot of ROHM Semiconductor BU4843F-TR Voltage Supervisors applications.

  • Multi-voltage system
  • Battery cars
  • Detection of phase loss
  • Power communication system
  • Radar
  • Unattended substation automation
  • Electrical fire monitoring system
  • Network equipment
  • Detection of phase sequence
  • Leakage current detection

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