Overview
The CAT811STBI-T3 is a voltage supervisor IC produced by onsemi, designed for robust power management in various electronic devices. This device is particularly useful for voltage monitoring and reset functions, ensuring system stability and reliability. It operates within a wide industrial temperature range of -40°C to 85°C, making it suitable for applications in automotive, industrial, and consumer electronics.
The CAT811STBI-T3 features a compact SOT-143-4 package and is lead-free, RoHS compliant, and halogen-free, aligning with modern environmental standards. Its ability to monitor and reset power supplies accurately, along with its programmable threshold levels and watchdog timer, makes it a valuable component in many designs.
Key Specifications
| Parameter | Value |
|---|---|
| Manufacturer | onsemi |
| Part Number | CAT811STBI-T3 |
| Package/Case | SOT-143-4, TO-253-4, TO-253AA |
| Operating Temperature | -40°C to 85°C |
| Voltage Threshold | 2.93V (preset) |
| Reset Timeout | 140 ms Minimum |
| Reset Type | Active Low |
| Output Type | Push-Pull, Totem Pole |
| Mounting Type | Surface Mount |
| Lead Free Status / RoHS Status | Lead free / RoHS Compliant |
Key Features
- Precision Voltage Monitoring: Monitors input voltage levels with precision, supporting various voltage thresholds (e.g., +5.0 V, +3.3 V, +3.0 V, +2.5 V) with different tolerance levels.
- Programmable Thresholds: Allows users to set custom voltage limits for effective protection.
- Watchdog Timer: Provides automatic recovery if the system experiences a fault.
- Manual Reset Inputs: Offers user-controlled restart options in case of temporary issues.
- Debounced Output: Ensures reliable, noise-free communication with connected circuits.
- Compact Design: Available in a compact SOT-143-4 package, suitable for space-constrained designs.
- Wide Operating Temperature Range: Operates reliably from -40°C to 85°C, making it versatile for various applications.
Applications
- Power Supply Monitoring: Used to monitor and protect power supplies in various electronic systems.
- Microcontroller and Processor Reset: Provides reset signals to microcontrollers and processors to ensure system stability.
- Industrial and Automotive Electronics: Suitable for use in harsh industrial and automotive environments due to its robust design and wide operating temperature range.
- Consumer Electronics: Finds applications in mobile phones, tablets, and other consumer electronic devices where reliable power management is crucial.
Q & A
- What is the primary function of the CAT811STBI-T3?
The primary function of the CAT811STBI-T3 is to monitor voltage levels and provide a reset signal when the voltage drops below a preset threshold, ensuring system stability and reliability.
- What is the operating temperature range of the CAT811STBI-T3?
The CAT811STBI-T3 operates within a temperature range of -40°C to 85°C.
- What type of reset signal does the CAT811STBI-T3 provide?
The CAT811STBI-T3 provides an active-low reset signal.
- What is the minimum reset timeout of the CAT811STBI-T3?
The minimum reset timeout of the CAT811STBI-T3 is 140 ms.
- Is the CAT811STBI-T3 RoHS compliant?
- What package types are available for the CAT811STBI-T3?
The CAT811STBI-T3 is available in SOT-143-4, TO-253-4, and TO-253AA packages.
- Can the CAT811STBI-T3 be used in automotive applications?
- What is the voltage threshold for the CAT811STBI-T3?
The preset voltage threshold for the CAT811STBI-T3 is 2.93V.
- Does the CAT811STBI-T3 have a watchdog timer function?
- Is the CAT811STBI-T3 still in active production?
