Overview
The TPS3801K33DCKR is a part of the TPS380x family of ultra-small supply voltage supervisors produced by Texas Instruments. These devices are designed to monitor supply voltages and provide circuit initialization and timing supervision, primarily for DSPs, microcontrollers, and microprocessors. The TPS3801K33DCKR specifically features a fixed delay time of 200 ms and is available in a compact 5-pin SC-70 (SOT-323) package.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Package | SOT-SC70 (DCK) | - |
| Pins | 5 | - |
| Operating Temperature Range | -40°C to 85°C | °C |
| Supply Voltage (VDD) | 1.6 V to 6 V | V |
| Threshold Voltage | 2.93 V | V |
| Delay Time | 200 ms | ms |
| Supply Current | 9 µA | µA |
| Manual Reset Input | Available (except TPS3801-01) | - |
| High-Level Output Current (IOH) | -5 mA | mA |
| Low-Level Output Current (IOL) | 5 mA | mA |
Key Features
- Small, 5-Pin SC-70 (SOT-323) Package, which is about half the size of a 5-pin SOT-23 package.
- Supply Current of 9 µA.
- Power-On Reset Generator With Fixed Delay Time (200 ms for TPS3801).
- Precision Supply Voltage Monitor with threshold voltages of 1.8 V, 2.5 V, 2.7 V, 3 V, 3.3 V, 5 V, and adjustable options.
- Manual Reset Input (except TPS3801-01).
- Temperature Range: –40°C to +85°C.
- Precision reference achieving an overall threshold accuracy of 2%—2.5%.
Applications
- Applications using DSPs, microcontrollers, or microprocessors.
- Wireless communication systems.
- Portable/battery-powered equipment.
- Programmable controls.
- Intelligent instruments.
- Industrial equipment.
- Notebook/desktop computers.
- Automotive systems.
Q & A
- What is the primary function of the TPS3801K33DCKR?
The primary function is to monitor supply voltages and provide circuit initialization and timing supervision. - What is the package type and pin count of the TPS3801K33DCKR?
The package type is SOT-SC70 (DCK) with 5 pins. - What is the operating temperature range of the TPS3801K33DCKR?
The operating temperature range is –40°C to 85°C. - What is the supply current of the TPS3801K33DCKR?
The supply current is 9 µA. - What is the delay time for the TPS3801K33DCKR?
The delay time is 200 ms. - Does the TPS3801K33DCKR have a manual reset input?
Yes, it does, except for the TPS3801-01 variant. - What are the typical applications of the TPS3801K33DCKR?
Applications include DSPs, microcontrollers, wireless communication systems, portable/battery-powered equipment, and more. - What is the threshold voltage for the TPS3801K33DCKR?
The threshold voltage is 2.93 V. - How accurate is the threshold voltage monitoring of the TPS3801K33DCKR?
The threshold voltage monitoring has an accuracy of 2%—2.5%. - What is the maximum supply voltage for the TPS3801K33DCKR?
The maximum supply voltage is 6 V.
