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TPS3838K33DBVR
+NomenclatureIC SUPERVISOR 1 CHANNEL SOT23-5
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FabricantTexas Instruments
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Pièce fabricant #TPS3838K33DBVR
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Package SOT-23-5
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En stock2952
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Spécifications
| Attribut | Valeur |
| Package / Case | Tape & Reel (TR),Cut Tape (CT),Bulk |
| Part Status | Active |
| Type | Simple Reset/Power-On Reset |
| Number of Voltages Monitored | 1 |
| Voltage - Threshold | 2.93V |
| Output | Open Drain or Open Collector |
| Reset | Active Low |
| Reset Timeout | 10ms Minimum |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Mounting Type | Surface Mount |
Présentation
Description
Key features include a precision voltage detector with a fixed threshold voltage of 3.3V and a reset capability that ensures a controlled start-up. The reset output is open-drain and active-low, which allows for interfacing with various logic levels. The circuit also features a high tolerance for voltage fluctuations and transient conditions, enhancing system reliability.
Packaged in a small SOT-23-5 package, the TPS3838K33DBVR is ideal for space-constrained applications. Its robustness and reliability make it suitable for use in a wide range of electronics, including consumer electronics, industrial systems, and communication devices.
Equivalent
1. *Microchip Technology* MCP130T-300I/TT
2. *ON Semiconductor* NCP300LSN30T1G
3. *STMicroelectronics* STM1811MWX7F
4. *Maxim Integrated* MAX810T
These alternatives should be verified for compatibility in your specific application, considering parameters such as voltage threshold, reset delay, and package type.
Features
1. Supply Voltage Monitoring: It supports a typical threshold voltage of 3.3V.
2. Low Supply Current: The device operates with a low quiescent current, making it energy-efficient.
3. Precision Threshold: Offers accurate voltage monitoring with a threshold accuracy of ±2%.
4. Reset Functionality: Includes a reset output to ensure the system is in a known state when the monitored voltage level falls below the threshold.
5. Active-Low Output: Provides an active-low reset signal.
6. Manual Reset Capability: Allows for an external input to manually trigger a reset.
7. Fast Propagation Delay: Ensures quick response times to changes in voltage levels.
8. Small Package: Available in a SOT-23 package, suitable for compact designs.
9. Temperature Range: Operates over a wide temperature range, typically from -40°C to 85°C.
These features make the TPS3838K33DBVR suitable for applications requiring reliable voltage monitoring and reset control, such as microprocessor and microcontroller systems.
Pinout
The TPS3838K33DBVR typically comes in a SOT-23-5 package, meaning it has 5 pins. Here are the pin functions:
1. VDD: Supply voltage input. Connect to the voltage that needs to be monitored.
2. GND: Ground. Connect to the system ground.
3. RESET: Active-low reset output. When the monitored voltage is below the threshold, this pin goes low.
4. MR: Manual reset input. An external signal can be applied to force a reset.
5. NC (No Connect): Not internally connected, typically left unconnected.
This device is optimized for 3.3V systems, ensuring reliable operation by resetting the system when the voltage drops too low.
Manufacturer
Application
1. Embedded Systems: Ensures stable operation by monitoring supply voltage and providing reset signals to microcontrollers.
2. Consumer Electronics: Used in devices such as smartphones and tablets to prevent malfunction due to power supply issues.
3. Industrial Automation: Provides reliable voltage monitoring in PLCs and other industrial equipment.
4. Automotive Systems: Enhances safety and reliability by supervising voltage levels in automotive electronics.
5. Computing Devices: Used in computers and servers to ensure proper boot-up and operation by monitoring power supply integrity.