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TC1272 from MICROCHIP

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TC1272

Manufacturer: MICROCHIP

3-Pin Reset Monitors for 5V Systems

Partnumber Manufacturer Quantity Availability
TC1272 MICROCHIP 39000 In Stock

Description and Introduction

3-Pin Reset Monitors for 5V Systems Here are the factual details about the **TC1272** from **Microchip**:

### **Specifications:**
- **Manufacturer:** Microchip Technology  
- **Type:** Reset Circuit (Supervisory IC)  
- **Function:** Monitors system voltage and provides a reset signal to the microcontroller during power-up, power-down, or brown-out conditions.  
- **Voltage Monitoring Threshold:** Typically **4.38V** (adjustable or fixed, depending on variant).  
- **Operating Voltage Range:** **1.0V to 5.5V**  
- **Reset Timeout Period:** Typically **140ms** (fixed delay after voltage stabilizes).  
- **Output Type:** Active-low reset signal (open-drain or push-pull, depending on variant).  
- **Package Options:** SOT-23, SC-70, TO-92, and other small form factors.  
- **Operating Temperature Range:** **-40°C to +85°C** (industrial grade).  

### **Descriptions:**
- The **TC1272** is a voltage supervisory device designed to ensure reliable system operation by monitoring the power supply.  
- It asserts a reset signal when the supply voltage drops below a predefined threshold, preventing erratic microcontroller behavior.  
- Suitable for battery-powered and embedded systems requiring stable voltage monitoring.  

### **Features:**
- **Low Power Consumption:** Minimal current draw for energy-sensitive applications.  
- **Manual Reset Input:** Some variants include a manual reset pin for external triggering.  
- **Wide Voltage Range:** Supports monitoring from **1.0V to 5.5V**.  
- **Small Package Options:** Ideal for space-constrained designs.  
- **Hysteresis:** Built-in hysteresis to prevent reset signal oscillation near the threshold.  

For exact variant-specific details (e.g., fixed vs. adjustable threshold), refer to the **Microchip datasheet** for the **TC1272**.

Application Scenarios & Design Considerations

3-Pin Reset Monitors for 5V Systems

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