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BU4847F-TR

BU4847F-TR

BU4847F-TR

ROHM Semiconductor

2.4V4 Terminals 4-Pin BU4847 Voltage supervisor1 Channels Min 700mV Max 7V

SOT-23

BU4847F-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 BU4847
Output Open Drain or Open Collector
Pin Count4
Power Supplies2.5/5V
Number of Channels 1
Max Supply Voltage7V
Min Supply Voltage700mV
Operating Supply Current 550nA
Max Supply Current 1.75μA
Adjustable Threshold NO
Quiescent Current550nA
Accuracy 1 %
Watchdog TimerNo
Reset Active High/Active Low
Voltage - Threshold 4.7V
Number of Voltages Monitored1
Min Reset Threshold Voltage 4.653V
Max Reset Threshold Voltage 4.747V
Threshold Voltage +4.7V
Undervoltage Threshold4.653V
Overvoltage Threshold4.747V
Length 2mm
RoHS StatusROHS3 Compliant
In-Stock:35833 items

Pricing & Ordering

QuantityUnit PriceExt. Price
1$0.606997$0.606997
10$0.572639$5.72639
100$0.540226$54.0226
500$0.509647$254.8235
1000$0.480799$480.799

BU4847F-TR Product Details

BU4847F-TR Overview


As you can see, this power management is mounted through 4 terminals. There is a Tape & Reel (TR)-packaging method applied to IC management. Please find attached 1 functions for your reference in this IC power. Power management consists of 1 channels, each of which can be used independently. 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. When a supply voltage of 1 is applied to the power ic, it conducts. Power management is included in the Surface Mount mount. Power Management Circuits is a subcategory of this PMIC chip. Taking into account all of the pins, this power management has a total of 4. 4 pins are present on the power management system. There should be a minimum voltage supply (Vsup) of 700mV for this PMIC. In this PMIC, the maximum supply voltage (Vsup) should not exceed 7V volts. Surface Mount is the recommended mounting type. Temperature setting for the supervisors should be -40°C~125°C TA. During normal operation, this power managment ic can generate Open Drain or Open Collector of output voltage. In order to maintain a stable supply current for the power management, 550nA is the recommended value. You can always use BU4847, the base supervisor number, to search for similar PMICs of the manufacturer. A power supply of 2.5/5V watts is required for the operation of this power management. The maximum supply temperature that PMIC chip can work with is 1.75μA.

BU4847F-TR Features


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

BU4847F-TR Applications


There are a lot of ROHM Semiconductor BU4847F-TR Voltage Supervisors applications.

  • Urban rail transit weak current power monitoring
  • Computer applications
  • Fire equipment power monitoring system
  • Personal computers
  • Linux and server computing
  • Smart meter
  • Important electronics for automotive protection
  • Leakage protection
  • Microprocessor system
  • Analog circuit

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