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BU4921G-TR

BU4921G-TR

BU4921G-TR

ROHM Semiconductor

2.4V5 Terminals 5-Pin Voltage supervisor1 Channels Min 700mV Max 7V

SOT-23

BU4921G-TR Datasheet PDF

non-compliant

Technical Specifications

Parameter NameValue
TypeParameter
Factory Lead Time 20 Weeks
Mount Surface Mount
Mounting Type Surface Mount
Package / Case SC-74A, SOT-753
Number of Pins 5
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 5
ECCN Code EAR99
Type Simple Reset/Power-On Reset
Subcategory Power Management Circuits
Max Power Dissipation540mW
Technology CMOS
Terminal Position DUAL
Terminal FormGULL WING
Number of Functions 1
Supply Voltage 2.4V
Output Push-Pull, Totem Pole
Pin Count5
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 2.1V
Number of Voltages Monitored1
Min Reset Threshold Voltage 2.079V
Max Reset Threshold Voltage 2.121V
Threshold Voltage +2.1V
Undervoltage Threshold2.079V
Overvoltage Threshold2.121V
Length 2.9mm
RoHS StatusROHS3 Compliant
Lead Free Lead Free
In-Stock:46924 items

Pricing & Ordering

QuantityUnit PriceExt. Price

BU4921G-TR Product Details

BU4921G-TR Overview


As you can see, this power management is mounted through 5 terminals. Packaging is in the form of a Tape & Reel (TR). For your reference, this IC power includes a list of 1 functions. This power management is made up of 1 channels which are available in a series format. For your reference, this PMIC includes a list of SC-74A, SOT-753 functions. Compared to other Simple Reset/Power-On Reset products, this PMIC has a lot of benefits to offer. In a 2.4V supply voltage, the power management conducts. Power management conducts at a voltage of 1. By Surface Mount, IC management has been mounted. A IC power such as this can be classified as a Power Management Circuits power management system. Taking into account all of the pins, this power management has a total of 5. The pins of the power management system count 5. Supply voltage (Vsup) should be at least 700mV for this power management. The supply voltage (Vsup) should not exceed 7V volts in this IC power. The recommended mounting type is Surface Mount. The temperature of the supervisors should be set to this range: -40°C~125°C TA. The output voltage of this power managment ic during operation is Push-Pull, Totem Pole. As far as the supply current of the power management is concerned, it is 550nA. The maximum supply temperature is 1.05μA.

BU4921G-TR Features


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

BU4921G-TR Applications


There are a lot of ROHM Semiconductor BU4921G-TR Voltage Supervisors applications.

  • DSP
  • Urban rail transit weak current power monitoring
  • Detection of phase loss
  • Transformer load monitoring equipment
  • Satellite navigation
  • Dash board
  • Important electronics for automotive protection
  • Embedded computing
  • Network equipment
  • Efficient information transmission

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