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TL7705ACD from ST,ST Microelectronics

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TL7705ACD

Manufacturer: ST

Single Supply Voltage Supervisor for 5V Systems with Programmable Time Delay

Partnumber Manufacturer Quantity Availability
TL7705ACD ST 93464 In Stock

Description and Introduction

Single Supply Voltage Supervisor for 5V Systems with Programmable Time Delay The TL7705ACD is a voltage supervisor and reset IC manufactured by STMicroelectronics.  

### **Specifications:**  
- **Supply Voltage Range:** 1.8V to 18V  
- **Reset Threshold Accuracy:** ±1.5%  
- **Operating Temperature Range:** -40°C to +85°C  
- **Reset Timeout Period:** Adjustable via external capacitor  
- **Output Type:** Active-low reset (open-drain)  
- **Quiescent Current:** 35µA (typical)  
- **Package:** SOIC-8  

### **Descriptions:**  
The TL7705ACD is designed to monitor system voltage levels and generate a reset signal when the supply voltage falls below a preset threshold. It ensures proper system initialization during power-up, power-down, or brownout conditions.  

### **Features:**  
- Precision voltage monitoring  
- Adjustable reset delay via external capacitor  
- Low power consumption  
- Open-drain reset output  
- Wide operating voltage range  
- High noise immunity  

This IC is commonly used in microcontrollers, DSPs, and other digital systems requiring reliable power monitoring.

Application Scenarios & Design Considerations

Single Supply Voltage Supervisor for 5V Systems with Programmable Time Delay

Alternative Part Number

  • MC34064D-5 --: Single-chip supply voltage supervisor in SOIC-8 with 5V threshold, functionally similar to the TL7705A and widely available.
  • MAX705CPA --: Microprocessor supervisory circuit with reset output and watchdog, commonly used as a replacement in 5V supervisory applications.
  • DS1232 --: Microprocessor supervisor with reset and watchdog functions, suitable alternative for supply monitoring and reset generation.

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