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BU4946F-TR

BU4946F-TR

BU4946F-TR

ROHM Semiconductor

2.4V4 Terminals 4-Pin BU4946 Voltage supervisor1 Channels Min 700mV Max 7V

SOT-23

BU4946F-TR Datasheet

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Specifications
Name Value
Type Parameter
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
Packaging Tape & Reel (TR)
Published 2009
Pbfree Code yes
Part Status Active
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 Dissipation 400mW
Technology CMOS
Terminal Position DUAL
Terminal Form GULL WING
Number of Functions 1
Supply Voltage 2.4V
Base Part Number BU4946
Output Push-Pull, Totem Pole
Pin Count 4
Power Supplies 2.5/5V
Number of Channels 1
Max Supply Voltage 7V
Min Supply Voltage 700mV
Operating Supply Current 550nA
Max Supply Current 1.75μA
Adjustable Threshold NO
Quiescent Current 550nA
Accuracy 1 %
Watchdog Timer No
Reset Active High/Active Low
Voltage - Threshold 4.6V
Number of Voltages Monitored 1
Min Reset Threshold Voltage 4.554V
Max Reset Threshold Voltage 4.646V
Threshold Voltage +4.6V
Undervoltage Threshold 4.554V
Overvoltage Threshold 4.646V
Length 2mm
RoHS Status ROHS3 Compliant
Lead Free Lead Free
Pricing & Ordering
Quantity Unit Price Ext. Price
3,000 $0.19530 $0.5859
BU4946F-TR Product Details

BU4946F-TR Overview


This voltage supervisor has a total of 4 mounting terminals that can be used for mounting. Power management is packaged in a Tape & Reel (TR) way. Please find attached 1 functions for your reference in this IC power. A series of 1 channels can be found on this supervisor. IC management is packaged as a SC-82 package. There are a lot of similarities between this IC power and other Simple Reset/Power-On Reset products. IC management conducts at a voltage of 2.4V. A supply voltage of 1 is used to conduct the PMIC chip. The power management is mounted by a Surface Mount-axis. A IC power such as this can be classified as a Power Management Circuits power management system. It has a total of 4 pins that are attached to IC management. This power management system has 4 pins. Supply voltage (Vsup) should be at least 700mV for this power management. Voltage (Vsup) shouldn't exceed 7V volts in this PMIC. Surface Mount is the recommended mounting type. Temperature setting for the supervisors should be -40°C~125°C TA. Power management has an output of Push-Pull, Totem Pole during operation. The supply current of the power management is 550nA. It is always advisable to use BU4946, the base supervisor number, when searching for similar PMICs from the manufacturer. In order to operate this power management, it requires 2.5/5V volts of power. A maximum supply temperature of 1.75μA can be used.

BU4946F-TR Features


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

BU4946F-TR Applications


There are a lot of ROHM Semiconductor BU4946F-TR Voltage Supervisors applications.

  • Magnetic resonance imaging
  • Leakage current detection
  • Power distribution systems of operating room
  • Radio
  • Network equipment
  • Battery-powered equipment
  • DSP
  • Detection of phase loss
  • Data storage applications
  • Analog circuit

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