BU4838F-TR
- Mfr.Part #
- BU4838F-TR
- Manufacturer
- ROHM Semiconductor
- Package / Case
- SC-82
- Datasheet
- Download
- Description
- IC SUPERVISOR 1 CHANNEL 4SOP
- Stock
- 2,508
- In Stock :
- 2,508
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- Manufacturer :
- ROHM Semiconductor
- Product Category :
- Supervisors
- Operating Temperature :
- -40°C~125°C TA
- Number of Functions :
- 1
- Adjustable Threshold :
- No
- Max Supply Current :
- 1.58μA
- Min Reset Threshold Voltage :
- 3.762V
- Moisture Sensitivity Level (MSL) :
- 1 (Unlimited)
- Reset :
- Active High/Active Low
- Number of Channels :
- 1
- Mount :
- Surface Mount
- Lead Free :
- Lead Free
- Supply Voltage :
- 2.4V
- Undervoltage Threshold :
- 3.762V
- Number of Terminations :
- 4
- Max Reset Threshold Voltage :
- 3.838V
- Packaging :
- Tape and Reel (TR)
- Operating Supply Current :
- 550nA
- Power Supplies :
- 2.5/5V
- Number of Pins :
- 4
- Mounting Type :
- Surface Mount
- Threshold Voltage :
- +3.8V
- Quiescent Current :
- 500nA
- Factory Lead Time :
- 6 Weeks
- RoHS Status :
- ROHS3 Compliant
- Number of Voltages Monitored :
- 1
- Max Supply Voltage :
- 7V
- Watchdog Timer :
- No
- Max Power Dissipation :
- 400mW
- Overvoltage Threshold :
- 3.838V
- Base Part Number :
- BU4838
- Voltage - Threshold :
- 3.8V
- Length :
- 2mm
- ECCN Code :
- EAR99
- Terminal Form :
- Gull wing
- Terminal Position :
- Dual
- Output :
- Open Drain or Open Collector
- Package / Case :
- SC-82
- Min Supply Voltage :
- 700mV
- Published :
- 2009
- Pbfree Code :
- yes
- Type :
- Simple Reset/Power-On Reset
- Accuracy :
- 1 %
- Pin Count :
- 4
- Datasheets
- BU4838F-TR
BU4838F-TR Documents

Supervisors ROHM Semiconductor BU4838F-TR Overview
The BU4838F-TR by ROHM Semiconductor is a dedicated voltage supervisor IC, ensuring reliable operation and stability across electronic systems. Designed specifically for critical monitoring of power supplies, this single-channel supervisor IC plays a crucial role in system resets and fail-safe operations. It is housed in a compact 4-SOP package, making it ideal for applications where space is at a premium. This product is particularly valuable for businesses looking to enhance system reliability and protection against under-voltage conditions, which is essential for maintaining the integrity and longevity of electronic components.
BU4838F-TR Features
This supervisor IC is equipped with key features that make it suitable for a wide range of applications:
- Single voltage threshold for precise monitoring
- Low power consumption for enhanced energy efficiency
- Compact 4-SOP package suitable for space-constrained applications
- Automatic system reset generation during voltage drops
- Wide operating temperature range, suitable for varied environmental conditions
BU4838F-TR Applications
- Consumer Electronics: Ensures that personal devices such as smartphones and tablets operate safely by monitoring power supply stability, preventing data loss and hardware damage due to voltage irregularities.
- Computing Systems: Acts as a critical component in PCs and servers, managing power supply integrity to avoid unexpected shutdowns and system failures, thereby ensuring continuous operations.
- Industrial Equipment: Provides voltage supervision in industrial automation tools and machinery, enhancing reliability and safety in harsh operational environments.
- Telecommunications: Utilized in networking hardware such as routers and switches, safeguarding against power anomalies that can disrupt communications.
- Automotive Electronics: Monitors voltage levels in vehicle electronics, contributing to the safety and reliability of automotive control systems under varying electrical conditions.
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