BU4818F-TR
- Mfr.Part #
- BU4818F-TR
- Manufacturer
- ROHM Semiconductor
- Package / Case
- 4-TSOP (0.049, 1.25mm Width)
- Datasheet
- Download
- Description
- IC SUPERVISOR 1 CHANNEL 4SOP
- Stock
- 34,527
- In Stock :
- 34,527
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- Manufacturer :
- ROHM Semiconductor
- Product Category :
- Supervisors
- Number of Channels :
- 1
- Min Supply Voltage :
- 900mV
- Length :
- 2mm
- Terminal Form :
- Gull wing
- Min Reset Threshold Voltage :
- 1.782V
- Max Supply Current :
- 1.05μA
- Pin Count :
- 4
- Moisture Sensitivity Level (MSL) :
- 1 (Unlimited)
- Lead Free :
- Lead Free
- Number of Voltages Monitored :
- 1
- RoHS Status :
- ROHS3 Compliant
- Mount :
- Surface Mount
- Max Reset Threshold Voltage :
- 1.818V
- Published :
- 2009
- Mounting Type :
- Surface Mount
- Pbfree Code :
- yes
- Terminal Position :
- Dual
- ECCN Code :
- EAR99
- Supply Voltage :
- 2.4V
- Max Power Dissipation :
- 400mW
- Max Supply Voltage :
- 7V
- Voltage - Threshold :
- 1.8V
- Threshold Voltage :
- +1.8V
- Number of Functions :
- 1
- Number of Pins :
- 4
- Adjustable Threshold :
- No
- Number of Terminations :
- 4
- Factory Lead Time :
- 7 Weeks
- Output :
- Open Drain or Open Collector
- Operating Supply Current :
- 550nA
- Watchdog Timer :
- No
- Reset :
- Active High/Active Low
- Package / Case :
- 4-TSOP (0.049, 1.25mm Width)
- Power Supplies :
- 2.5/5V
- Base Part Number :
- BU48*
- Accuracy :
- 1 %
- Packaging :
- Tape and Reel (TR)
- Operating Temperature :
- -40°C~125°C TA
- Type :
- Simple Reset/Power-On Reset
- Datasheets
- BU4818F-TR

Supervisors ROHM Semiconductor BU4818F-TR Overview
The BU4818F-TR from ROHM Semiconductor is a highly reliable IC supervisor designed to enhance system stability by monitoring voltage levels. This compact supervisor IC, housed in a 4SOP package, is tailored for applications requiring precise voltage threshold management. The BU4818F-TR stands out for its ability to provide accurate voltage supervision, ensuring operational reliability and protecting against system failures due to fluctuating or improper supply voltages. Its integration into diverse systems highlights its versatility and importance in maintaining system integrity, making it an essential component for bulk purchasing by B2B customers looking to safeguard their electronic applications.
BU4818F-TR Features
The BU4818F-TR features a single voltage detection channel which simplifies system design and reduces component count. Its low power consumption is ideal for energy-sensitive applications, while its wide operating temperature range ensures reliability under varying environmental conditions. The supervisor IC also boasts a fast response time to voltage variations, which is critical for high-performance electronics requiring immediate reaction to ensure system stability.
BU4818F-TR Applications
- Consumer Electronics: In devices such as smartphones and tablets, the BU4818F-TR monitors power supply levels to prevent damage caused by unstable voltages, ensuring device longevity and user safety.
- Automotive Systems: It is used in automotive electronics to oversee sensor and ECU power supplies, crucial for maintaining performance and safety standards in vehicular operations.
- Industrial Equipment: The BU4818F-TR plays a vital role in monitoring power supplies in industrial control systems, preventing equipment failure due to voltage anomalies, thus ensuring continuous and reliable operations.
- Computing Systems: This supervisor IC ensures that computers and servers operate within safe voltage thresholds, protecting critical data and hardware from voltage-induced malfunctions.
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