Overview
The TLV803EB33VDBZR is a low-power voltage supervisor (reset IC) produced by Texas Instruments. This device is part of the TLV80xE family, which offers enhanced alternatives to earlier voltage supervisors like the TLV803, TLV853, TLV809, LM809, and TPS3809. The TLV803EB33VDBZR is designed to monitor the VDD voltage level and initiate a reset signal when the supply voltage drops below the factory-programmed falling threshold voltage. It features low quiescent current, high accuracy, and a wide temperature range, making it ideal for low-power and portable applications.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Package | SOT-23 (DBZ) | - |
| Pins | 3 | - |
| Operating Temperature Range | -40 to 125 | °C |
| Supply Voltage Range | 0.7 to 6 | V |
| Supply Current (IDD) | 250 nA (typical), 1 µA (maximum for VDD = 3.3 V) | A |
| Output Topology | Open-drain, active-low | - |
| Under Voltage Detection Threshold (VIT–) | 3.3 V | V |
| Threshold Voltage Accuracy | ±0.5% (typical) | % |
| Fixed Time Delay | 40 µs, 10 ms, 50 ms, 100 ms, 200 ms, 400 ms | s |
| Glitch Immunity | Integrated to ignore fast transients on VDD pin | - |
Key Features
- Ensured RESET/RESET for VDD = 0.7 V to 6 V
- Low quiescent current (IDD): 250 nA (typical), 1 µA (maximum for VDD = 3.3 V)
- High accuracy under voltage detection: ±0.5% (typical)
- Fixed time delay options: 40 µs, 10 ms, 50 ms, 100 ms, 200 ms, 400 ms
- Open-drain, active-low output topology
- Integrated glitch immunity to ignore fast transients on the VDD pin
- Wide temperature range: –40°C to +125°C
- Pin-to-pin compatible with MAX803/809/810, APX803/809/810
Applications
- Electricity meters
- Factory Automation
- Portable, battery-powered equipment
- Set-top boxes and TVs
- Building automation
- Notebook/desktop computers, servers
Q & A
- What is the primary function of the TLV803EB33VDBZR?
The primary function of the TLV803EB33VDBZR is to monitor the VDD voltage level and initiate a reset signal when the supply voltage drops below the factory-programmed falling threshold voltage.
- What is the operating temperature range of the TLV803EB33VDBZR?
The operating temperature range is –40°C to +125°C.
- What are the available fixed time delay options for the TLV803EB33VDBZR?
The fixed time delay options are 40 µs, 10 ms, 50 ms, 100 ms, 200 ms, and 400 ms.
- What is the typical supply current (IDD) of the TLV803EB33VDBZR?
The typical supply current (IDD) is 250 nA, with a maximum of 1 µA for VDD = 3.3 V.
- What is the output topology of the TLV803EB33VDBZR?
The output topology is open-drain, active-low.
- What is the under voltage detection threshold (VIT–) for the TLV803EB33VDBZR?
The under voltage detection threshold (VIT–) is 3.3 V.
- Does the TLV803EB33VDBZR have integrated glitch immunity?
Yes, the TLV803EB33VDBZR has integrated glitch immunity to ignore fast transients on the VDD pin.
- What are some common applications of the TLV803EB33VDBZR?
Common applications include electricity meters, factory automation, portable battery-powered equipment, set-top boxes and TVs, building automation, and notebook/desktop computers, servers.
- Is the TLV803EB33VDBZR pin-to-pin compatible with other devices?
Yes, it is pin-to-pin compatible with MAX803/809/810, APX803/809/810.
- What is the package type of the TLV803EB33VDBZR?
The package type is SOT-23 (DBZ) with 3 pins.
