Overview
The TLV810ZDBZR is a 3-pin voltage supervisor from Texas Instruments, designed to provide circuit initialization and timing supervision primarily for DSPs, microcontrollers, and microprocessors. This device is part of the TLV810 family and is specifically configured for a 2.25 V supply voltage threshold. It features a push-pull reset output and operates within a temperature range of –40°C to +125°C. The TLV810ZDBZR is packaged in a 3-pin SOT-23 package, making it compact and suitable for various applications requiring precise voltage monitoring.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Supply Voltage (VDD) | 1.1 to 6 | V |
| Threshold Voltage (VIT) | 2.20 to 2.30 | V |
| Reset Output Type | Push-Pull | |
| Reset Delay Time (td) | 200 ms | ms |
| Supply Current (IDD) | 9 to 30 | µA |
| Operating Temperature Range | –40 to +125 | °C |
| Package Type | SOT-23 | |
| Package Lead Designator | DBZ | |
| High-Level Output Voltage (VOH) | VDD – 0.2 to VDD – 0.5 | V |
| Low-Level Output Voltage (VOL) | 0.2 to 0.4 | V |
Key Features
- Precision Supply Voltage Monitor: Monitors the supply voltage and asserts the RESET signal when the voltage drops below the threshold voltage.
- Power-On Reset Generator: Includes a fixed delay time of 200 ms to ensure proper system reset.
- Push-Pull Reset Output: Provides a robust reset signal without the need for external components.
- Low Supply Current: Typical supply current of 9 µA, making it suitable for power-sensitive applications.
- Wide Temperature Range: Operates over a temperature range of –40°C to +125°C.
- Compact Package: Available in a 3-pin SOT-23 package, ideal for space-constrained designs.
- Transient Rejection: Built-in rejection of fast transients on the VDD pin to ensure reliable operation.
Applications
- DSPs, Microcontrollers, and Microprocessors: Ideal for systems requiring precise voltage monitoring and reset functionality.
- Wireless Communication Systems: Suitable for wireless devices that need reliable power-on reset and voltage supervision.
- Portable/Battery-Powered Equipment: Low power consumption makes it suitable for battery-powered devices.
- Industrial Equipment: Robust operation over a wide temperature range makes it suitable for industrial environments.
- Notebook and Desktop Computers: Can be used to monitor and reset system voltages in computing systems.
- Automotive Systems: Meets the temperature and reliability requirements for automotive applications.
Q & A
- What is the primary function of the TLV810ZDBZR?
The primary function of the TLV810ZDBZR is to provide circuit initialization and timing supervision by monitoring the supply voltage and asserting a reset signal when the voltage drops below a specified threshold.
- What is the threshold voltage for the TLV810ZDBZR?
The threshold voltage (VIT) for the TLV810ZDBZR is between 2.20 V and 2.30 V.
- What type of reset output does the TLV810ZDBZR have?
The TLV810ZDBZR has a push-pull reset output.
- What is the reset delay time for the TLV810ZDBZR?
The reset delay time (td) for the TLV810ZDBZR is 200 ms.
- What is the typical supply current of the TLV810ZDBZR?
The typical supply current (IDD) of the TLV810ZDBZR is 9 µA.
- What is the operating temperature range of the TLV810ZDBZR?
The operating temperature range of the TLV810ZDBZR is –40°C to +125°C.
- In what package is the TLV810ZDBZR available?
The TLV810ZDBZR is available in a 3-pin SOT-23 package.
- Does the TLV810ZDBZR require external components for operation?
No, the TLV810ZDBZR does not require external components for operation.
- How does the TLV810ZDBZR handle voltage transients?
The TLV810ZDBZR has built-in rejection of fast transients on the VDD pin, ensuring reliable operation by ignoring transients that are either too short or too small in amplitude.
- What are some common applications of the TLV810ZDBZR?
The TLV810ZDBZR is commonly used in DSPs, microcontrollers, wireless communication systems, portable/battery-powered equipment, industrial equipment, notebook and desktop computers, and automotive systems.
