Overview
The TLV803EA29DBZR is a low-power voltage supervisor from Texas Instruments, designed to monitor the voltage level of the supply voltage (VDD) and provide a reset signal when the voltage falls below a specified threshold. This device is part of the TLV803E, TLV809E, and TLV810E family, which are enhanced alternatives to earlier voltage supervisory circuits. The TLV803EA29DBZR is particularly suited for applications requiring high accuracy, low quiescent current, and a wide operating temperature range.
Key Specifications
| Parameter | Min | Typical | Max | Unit |
|---|---|---|---|---|
| VDD Input Supply Voltage | 1.7 | 6 | V | |
| VIT- Input Threshold Voltage Accuracy | -2 | 0.5 | 2 | % |
| VHYS Hysteresis Voltage | 0.9 | 1.2 | 1.5 | % |
| IDD Supply Current into VDD Pin | 0.25 | 1 | 1 | µA (VDD = 3.3 V) |
| VPOR Power-on Reset Voltage | 700 | mV | ||
| VOL Low Level Output Voltage | 300 | mV (IOUT(Sink) = 500 µA, VDD = 3.3 V) | ||
| VOH High Level Output Voltage | 0.8VDD | V (IOUT(Source) = 2 mA, VDD = 3.3 V) | ||
| Temperature Range | -40 | 125 | °C | |
| Package | SOT23-3 (DBZ) |
Key Features
- Low quiescent current: 250 nA typical, 1 µA maximum at VDD = 3.3 V
- High accuracy voltage detection: ±0.5% typical over the operating temperature range
- Fixed time delay options: 40 µs, 10 ms, 50 ms, 100 ms, 200 ms, 400 ms
- Open-drain active-low output topology for TLV803E
- Wide operating temperature range: -40°C to +125°C
- Pin-to-pin compatible with MAX803/809/810, APX803/809/810
- Manual reset pin with internal pull-up resistance (for X2SON-5 package)
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 typical quiescent current of the TLV803EA29DBZR?
The typical quiescent current is 250 nA, with a maximum of 1 µA at VDD = 3.3 V.
- What is the voltage detection accuracy of the TLV803EA29DBZR?
The voltage detection accuracy is ±0.5% typical over the operating temperature range.
- What are the available fixed time delay options for the TLV803EA29DBZR?
The fixed time delay options are 40 µs, 10 ms, 50 ms, 100 ms, 200 ms, and 400 ms.
- What is the output topology of the TLV803EA29DBZR?
The output topology is open-drain, active-low.
- What is the operating temperature range of the TLV803EA29DBZR?
The operating temperature range is -40°C to +125°C.
- Is the TLV803EA29DBZR pin-to-pin compatible with other devices?
Yes, it is pin-to-pin compatible with MAX803/809/810, APX803/809/810.
- What packages are available for the TLV803EA29DBZR?
The available packages include SOT23-3 (DBZ), SC-70 (DCK), and X2SON-5 (DPW).
- What is the power-on reset voltage for the TLV803EA29DBZR?
The power-on reset voltage is 700 mV.
- What is the low level output voltage for the TLV803EA29DBZR?
The low level output voltage is 300 mV at IOUT(Sink) = 500 µA and VDD = 3.3 V.
- What are some common applications for the TLV803EA29DBZR?
Common applications include electricity meters, factory automation, portable battery-powered equipment, set-top boxes and TVs, building automation, and notebook/desktop computers.
