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BU4918F-TR

BU4918F-TR

BU4918F-TR

ROHM Semiconductor

2.4V4 Terminals 4-Pin BU4918 Voltage supervisor1 Channels Min 700mV Max 7V

SOT-23

BU4918F-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 BU4918
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 1.05μA
Adjustable Threshold NO
Quiescent Current350nA
Accuracy 1 %
Watchdog TimerNo
Reset Active High/Active Low
Voltage - Threshold 1.8V
Number of Voltages Monitored1
Min Reset Threshold Voltage 1.782V
Max Reset Threshold Voltage 1.818V
Threshold Voltage +1.8V
Undervoltage Threshold1.782V
Overvoltage Threshold1.818V
Length 2mm
RoHS StatusROHS3 Compliant
Lead Free Lead Free
In-Stock:11860 items

Pricing & Ordering

QuantityUnit PriceExt. Price
1$1.354170$1.35417
10$1.277518$12.77518
100$1.205205$120.5205
500$1.136987$568.4935
1000$1.072629$1072.629

BU4918F-TR Product Details

BU4918F-TR Overview


This voltage supervisor has a total of 4 mounting terminals that can be used for mounting. A Tape & Reel (TR) package is used to package the power management. Please find attached 1 functions for your reference in this IC power. There are 1 channels available on this supervisor, and each channel has a different function. As a reference, this IC power includes SC-82 functions for your convenience. It is a IC power that shares many benefits with other products from the Simple Reset/Power-On Reset line. IC management conducts in a 2.4V-voltage supply. There is a voltage supply of 1 for the PMIC chip, and the chip conducts at that voltage. Surface Mount is the one that mounts power management. The power management belongs to the Power Management Circuits subcategory. Taking into account all of the pins, this power management has a total of 4. There are 4 pins on the supervisor. It is recommended that Vsup should not be less than 700mV for this IC power. During this IC power, the maximum supply voltage (Vsup) should not exceed 7V volts. Mounting type Surface Mount is recommended. Temperature setting for the supervisors should be -40°C~125°C TA. As a result of this supervisor's operation, the output voltage is Push-Pull, Totem Pole. There is a 550nA supply current present in the power management. It is always advisable to use BU4918, the base supervisor number, when searching for similar PMICs from the manufacturer. It requires 2.5/5V watts of power to operate this voltage supervisor. At most, voltage supervisor can operate at a supply temperature of 1.05μA.

BU4918F-TR Features


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

BU4918F-TR Applications


There are a lot of ROHM Semiconductor BU4918F-TR Voltage Supervisors applications.

  • Utility meter
  • Rechargeable batteries
  • Kitchen appliances
  • FPGA design
  • Power distribution systems of ICU
  • Satellite navigation
  • Microcontroller system
  • Military electronics
  • Smart meter
  • Solar power charger

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