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CAT809RTBI-T3 from CAT

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CAT809RTBI-T3

Manufacturer: CAT

3-Pin Microprocessor Power Supply Supervisors

Partnumber Manufacturer Quantity Availability
CAT809RTBI-T3,CAT809RTBIT3 CAT 335 In Stock

Description and Introduction

3-Pin Microprocessor Power Supply Supervisors The CAT809RTBI-T3 is a microprocessor supervisory circuit manufactured by ON Semiconductor. It is designed to monitor the power supply voltage of microprocessors and digital systems. Key specifications include:

- **Supply Voltage Range:** 1.0V to 5.5V  
- **Reset Threshold Options:** Available in various fixed voltage thresholds (e.g., 2.63V, 3.08V, 4.38V, etc.)  
- **Reset Timeout Period:** 140ms (minimum)  
- **Output Type:** Active-low reset output  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** SOT-23-3  

The device ensures proper system operation by generating a reset signal if the supply voltage drops below the specified threshold. It is commonly used in embedded systems, automotive electronics, and industrial applications.  

For detailed electrical characteristics and application notes, refer to the official datasheet from ON Semiconductor.

Partnumber Manufacturer Quantity Availability
CAT809RTBI-T3,CAT809RTBIT3 CATALYST 2420 In Stock

Description and Introduction

3-Pin Microprocessor Power Supply Supervisors The CAT809RTBI-T3 is a microprocessor reset circuit manufactured by CATALYST SEMICONDUCTOR (now part of ON Semiconductor). Here are its key specifications:

- **Type**: Voltage Monitor / Reset Circuit  
- **Function**: Monitors VCC and asserts a reset signal when the voltage drops below a threshold.  
- **Reset Threshold Options**: Available in various fixed voltages (e.g., 2.63V, 3.08V, 4.38V, etc.).  
- **Output Type**: Active-Low, Push-Pull or Open-Drain (depends on variant).  
- **Operating Voltage Range**: 1.1V to 5.5V.  
- **Reset Timeout Period**: Typically 140ms (min).  
- **Package**: SOT-23-3.  
- **Temperature Range**: -40°C to +85°C.  
- **Applications**: Microprocessor/microcontroller systems, embedded controllers, power supply monitoring.  

For exact threshold voltage and output configuration, refer to the specific part number suffix (e.g., CAT809RTBI-**T3**).  

(Note: CATALYST SEMICONDUCTOR was acquired by ON Semiconductor; datasheets may now be under ON Semi’s documentation.)

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