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