Overview
The CAT809RTBI-GT3 is a microprocessor supervisory circuit produced by ON Semiconductor. This device is designed to monitor the power supply in digital systems and ensure the system's integrity by generating a reset signal if the power supply voltage falls below a preset threshold. It is part of the CAT809 series, which offers precision monitoring for various power supply voltages and is available in compact 3-pin SOT-23 and SC-70 packages.
This component is particularly useful in applications where reliable power supply monitoring is crucial, such as in computers, servers, and embedded control systems. The CAT809RTBI-GT3 features a push-pull RESET output (active LOW) and operates over an industrial temperature range of -40°C to 85°C.
Key Specifications
| Parameter | Value | Units |
|---|---|---|
| Reset Threshold Voltage | 2.59 - 2.66 | V |
| Minimum Operating Supply Voltage | 1.2 | V |
| Maximum Operating Supply Voltage | 5.5 | V |
| Operating Temperature Range | -40 to 85 | °C |
| Maximum Power Dissipation | 320 | mW |
| Package Type | SOT-23 | |
| Lead Shape | Gull-wing | |
| RESET Output Type | Push-Pull Active LOW | |
| RESET Timeout Period | 140 - 240 ms |
Key Features
- Precision Monitoring: Monitors power supplies with precision, supporting systems with +5.0 V, +3.3 V, +3.0 V, and +2.5 V power supplies.
- Push-Pull RESET Output: Features a push-pull RESET output (active LOW) for reliable reset signaling.
- Industrial Temperature Range: Operates over an industrial temperature range of -40°C to 85°C.
- Power Supply Transient Immunity: Protects against brownout failures and ignores short-duration transients.
- Compact Packaging: Available in compact 3-pin SOT-23 and SC-70 packages.
- Rohs Compliant: Pb-free and RoHS compliant, ensuring environmental sustainability.
Applications
- Computers, Servers, Laptops: Ensures reliable operation in various computing environments.
- Wireless Communications: Used in wireless communication devices for stable power supply monitoring.
- Embedded Control Systems: Essential for monitoring power supplies in embedded control systems.
- White Goods, Power Meters: Applied in household appliances and power measurement devices.
- Intelligent Instruments: Used in intelligent instruments and handheld equipment.
- PDAs and Handheld Equipment: Ensures stable operation in personal digital assistants and other handheld devices.
Q & A
- What is the primary function of the CAT809RTBI-GT3?
The primary function of the CAT809RTBI-GT3 is to monitor the power supply in digital systems and generate a reset signal if the power supply voltage falls below a preset threshold.
- What is the reset threshold voltage range for the CAT809RTBI-GT3?
The reset threshold voltage range for the CAT809RTBI-GT3 is between 2.59 V and 2.66 V.
- What type of RESET output does the CAT809RTBI-GT3 have?
The CAT809RTBI-GT3 features a push-pull RESET output (active LOW).
- What is the operating temperature range of the CAT809RTBI-GT3?
The operating temperature range of the CAT809RTBI-GT3 is -40°C to 85°C.
- What is the maximum power dissipation of the CAT809RTBI-GT3?
The maximum power dissipation of the CAT809RTBI-GT3 is 320 mW.
- In what package types is the CAT809RTBI-GT3 available?
The CAT809RTBI-GT3 is available in SOT-23 and SC-70 packages.
- Is the CAT809RTBI-GT3 RoHS compliant?
Yes, the CAT809RTBI-GT3 is Pb-free and RoHS compliant.
- What are some common applications of the CAT809RTBI-GT3?
Common applications include computers, servers, laptops, wireless communications, embedded control systems, white goods, power meters, intelligent instruments, and handheld equipment.
- How does the CAT809RTBI-GT3 handle power supply transients?
The CAT809RTBI-GT3 protects against brownout failures and ignores short-duration transients of 4 μsec or less and 100 mV amplitude.
- What is the typical reset timeout period for the CAT809RTBI-GT3?
The typical reset timeout period for the CAT809RTBI-GT3 is between 140 ms and 240 ms.
