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BU4909F-TR

BU4909F-TR

BU4909F-TR

ROHM Semiconductor

2.4V4 Terminals 4-Pin BU4909 Voltage supervisor1 Channels Min 700mV Max 7V

SOT-23

BU4909F-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 BU4909
Output Push-Pull, Totem Pole
Pin Count4
Power Supplies2.5/5V
Number of Channels 1
Max Supply Voltage7V
Min Supply Voltage700mV
Operating Supply Current 550nA
Max Supply Current 880nA
Adjustable Threshold NO
Quiescent Current300nA
Accuracy 1 %
Watchdog TimerNo
Reset Active High/Active Low
Voltage - Threshold 0.9V
Number of Voltages Monitored1
Min Reset Threshold Voltage 891mV
Max Reset Threshold Voltage 909mV
Threshold Voltage +0.9V
Undervoltage Threshold891mV
Overvoltage Threshold909mV
Length 2mm
RoHS StatusROHS3 Compliant
In-Stock:30044 items

Pricing & Ordering

QuantityUnit PriceExt. Price
1$0.517795$0.517795
10$0.488486$4.88486
100$0.460836$46.0836
500$0.434751$217.3755
1000$0.410143$410.143

BU4909F-TR Product Details

BU4909F-TR Overview


This voltage supervisor has a total of 4 mounting terminals that can be used for mounting. There is a Tape & Reel (TR)-packaging method applied to IC management. For your reference, this IC power includes a list of 1 functions. It is possible to find on this power management a series of 1 channels. To assist you, this PMIC includes SC-82 functions. There are a lot of similarities between this IC power and other Simple Reset/Power-On Reset products. When a supply voltage of 2.4V is applied to the power ic, it conducts. IC management is possible to find a succession of 1 voltages that have been checked. Surface Mount mounts IC management. It is possible to subcategorize this power ic as a Power Management Circuits chip. 4 pins are present in total in this power management. There are 4 pins on the supervisor. IC management can only work with a supply voltage of 700mV volts. There should be no more than 7V volts of maximum supply voltage (Vsup) in this power management. Mounting type Surface Mount is recommended. It is recommended to set the supervisor's temperature to this range: -40°C~125°C TA. As this power managment ic operates, it is able to produce an output voltage of Push-Pull, Totem Pole. Supplied with a operating current of 550nA, this PMIC is capable of fully function as specified. If you want to search for similar IC managements of this manufacturer, you can always refer to BU4909, which is the base power ics number. In order to operate this power management, it requires 2.5/5V volts of power. The power management can work with a maximum supply temperature of 880nA.

BU4909F-TR Features


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

BU4909F-TR Applications


There are a lot of ROHM Semiconductor BU4909F-TR Voltage Supervisors applications.

  • Medical-specific insulation monitor
  • Radar
  • Power distribution systems of ICU
  • WiFi router
  • Consumer electronics
  • Microprocessor system
  • Detection of phase sequence
  • Important electronics for automotive safety
  • Leakage current detection
  • FPGA design

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