BU4937F-TR
- Mfr.Part #
- BU4937F-TR
- Manufacturer
- ROHM Semiconductor
- Package / Case
- SC-82
- Datasheet
- Download
- Description
- IC SUPERVISOR 1 CHANNEL 4SOP
- Stock
- 2,400
- In Stock :
- 2,400
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- Manufacturer :
- ROHM Semiconductor
- Product Category :
- Supervisors
- Reset :
- Active High/Active Low
- Package / Case :
- SC-82
- Number of Functions :
- 1
- RoHS Status :
- ROHS3 Compliant
- Output :
- Push-Pull, Totem Pole
- Supply Voltage :
- 2.4V
- Voltage - Threshold :
- 3.7V
- Number of Voltages Monitored :
- 1
- Pin Count :
- 4
- Type :
- Simple Reset/Power-On Reset
- Mounting Type :
- Surface Mount
- Operating Supply Current :
- 550nA
- Base Part Number :
- BU4937
- Packaging :
- Tape and Reel (TR)
- Number of Terminations :
- 4
- Terminal Form :
- Gull wing
- Overvoltage Threshold :
- 3.737V
- ECCN Code :
- EAR99
- Factory Lead Time :
- 7 Weeks
- Max Supply Voltage :
- 7V
- Terminal Position :
- Dual
- Number of Channels :
- 1
- Operating Temperature :
- -40°C~125°C TA
- Moisture Sensitivity Level (MSL) :
- 1 (Unlimited)
- Quiescent Current :
- 500nA
- Min Reset Threshold Voltage :
- 3.663V
- Number of Pins :
- 4
- Watchdog Timer :
- No
- Pbfree Code :
- yes
- Length :
- 2mm
- Mount :
- Surface Mount
- Max Power Dissipation :
- 400mW
- Undervoltage Threshold :
- 3.663V
- Published :
- 2009
- Max Supply Current :
- 1.58μA
- Min Supply Voltage :
- 700mV
- Accuracy :
- 1 %
- Power Supplies :
- 2.5/5V
- Adjustable Threshold :
- No
- Threshold Voltage :
- +3.7V
- Max Reset Threshold Voltage :
- 3.737V
- Datasheets
- BU4937F-TR

Supervisors ROHM Semiconductor BU4937F-TR Overview
The BU4937F-TR from ROHM Semiconductor is a highly reliable voltage supervisor IC, designed to ensure stable and secure operation in various electronic systems. This compact supervisor IC is encased in a 4SOP package and features a single monitoring channel that actively supervises voltage levels. The BU4937F-TR is essential for systems that require consistent performance and protection against voltage fluctuations, making it an indispensable component for applications demanding high reliability and precision.
BU4937F-TR Features
The BU4937F-TR offers a range of features that enhance its functionality and reliability. It includes precise voltage monitoring capabilities which are critical for preventing system failures. Additionally, its small 4SOP package makes it suitable for high-density board designs where space is at a premium. The device's low power consumption and high accuracy are designed to meet the rigorous demands of modern electronic devices.
BU4937F-TR Applications
- Consumer Electronics: Utilized in smartphones, tablets, and other portable devices to monitor power supply status and ensure device stability.
- Computing Devices: Integrated into laptops and desktops to safeguard critical components by monitoring power rails, thereby preventing data loss and system damage during unexpected voltage drops.
- Industrial Systems: Employed in automation control systems to provide consistent voltage monitoring, crucial for maintaining the operational integrity of machinery and equipment.
- Telecommunications: Used in network hardware such as routers and switches, ensuring they operate within safe voltage levels to maintain communication stability and reliability.
- Automotive Electronics: Applied in vehicle electronic systems to monitor critical functions and support dependable operation under variable voltage conditions.
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