Overview
The Texas Instruments TLV803EC29DBZR is a precision voltage supervisor designed to ensure reliable operation of microprocessors, microcontrollers, and other voltage-sensitive devices. This component is crucial for systems that require stable and accurate monitoring of the supply voltage to prevent data corruption, erratic behavior, or damage to the electronic circuitry during power fluctuations, brownouts, or power-up conditions. Known for its low power consumption and small footprint, the TLV803EC29DBZR is an ideal choice for a variety of applications where consistent performance is non-negotiable.
Key Specifications
| Category | Power Management (PMIC)/Supervisor and Reset ICs |
|---|---|
| Manufacturer | Texas Instruments |
| Package | SOT-23-3 (DBZ) |
| Pins | 3 |
| Operating Temperature Range (°C) | -40 to 125 |
| Supply Current (IDD) | 250 nA (typical), 1 µA (maximum for VDD = 3.3 V) |
| Fixed Time Delay | 40 µs, 10 ms, 50 ms, 100 ms, 200 ms, 400 ms |
| Under Voltage Detection | High accuracy: ±0.5% (typical); V_IT–: 1.7 V, 1.8 V, 1.9 V, 2.25V, 2.4 V, 2.64 V, 2.93 V, 3.08 V, 3.3V, 4.2V, 4.38 V, 4.55V, 4.63 V |
| Output Topology | Open-drain, active-low |
| RoHS Compliance | Yes |
Key Features
- Low-power voltage supervisor with active-low open-drain output.
- High accuracy under voltage detection: ±0.5% (typical).
- Fixed time delay options: 40 µs, 10 ms, 50 ms, 100 ms, 200 ms, 400 ms.
- Supply current as low as 250 nA (typical) and 1 µA (maximum for VDD = 3.3 V).
- Operating temperature range: -40°C to 125°C.
- Pin-to-pin compatible with MAX803/809/810, APX803/809/810.
- Small footprint in SOT-23-3 (DBZ) package.
Applications
The TLV803EC29DBZR is versatile and can be used in a wide range of applications, including:
- Microprocessor and microcontroller systems to ensure reliable operation during power fluctuations or brownouts.
- Voltage-sensitive devices that require accurate monitoring of the supply voltage.
- Critical applications where consistent performance is non-negotiable, such as in industrial control systems, medical devices, and automotive electronics.
Q & A
- What is the primary function of the TLV803EC29DBZR?
The primary function of the TLV803EC29DBZR is to act as a precision voltage supervisor, ensuring reliable operation of microprocessors, microcontrollers, and other voltage-sensitive devices by monitoring the supply voltage and providing a reset signal during power fluctuations or brownouts.
- What is the package type of the TLV803EC29DBZR?
The TLV803EC29DBZR comes in a SOT-23-3 (DBZ) package.
- What are the operating temperature ranges for the TLV803EC29DBZR?
The operating temperature range for the TLV803EC29DBZR is -40°C to 125°C.
- What are the fixed time delay options available for the TLV803EC29DBZR?
The fixed time delay options available are 40 µs, 10 ms, 50 ms, 100 ms, 200 ms, and 400 ms.
- Is the TLV803EC29DBZR RoHS compliant?
Yes, the TLV803EC29DBZR is RoHS compliant.
- What is the typical supply current of the TLV803EC29DBZR?
The typical supply current of the TLV803EC29DBZR is 250 nA, with a maximum of 1 µA for VDD = 3.3 V.
- What is the output topology of the TLV803EC29DBZR?
The output topology of the TLV803EC29DBZR is open-drain, active-low.
- Is the TLV803EC29DBZR pin-to-pin compatible with other devices?
Yes, the TLV803EC29DBZR is pin-to-pin compatible with MAX803/809/810, APX803/809/810.
- What are some common applications of the TLV803EC29DBZR?
The TLV803EC29DBZR is commonly used in microprocessor and microcontroller systems, voltage-sensitive devices, and critical applications such as industrial control systems, medical devices, and automotive electronics.
- How accurate is the under voltage detection of the TLV803EC29DBZR?
The under voltage detection of the TLV803EC29DBZR has a high accuracy of ±0.5% (typical).
