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TL7705-B from TI,Texas Instruments

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TL7705-B

Manufacturer: TI, TEXAS

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

Partnumber Manufacturer Quantity Availability
TL7705-B,TL7705B TI, TEXAS 4790 In Stock

Description and Introduction

Single Supply Voltage Supervisor ror 5V Systems with Programmable Time Delay The TL7705-B is a voltage supervisor and reset IC manufactured by Texas Instruments (TI).  

### **Specifications:**  
- **Supply Voltage Range:** 3V to 18V  
- **Reset Threshold Accuracy:** ±1.5%  
- **Reset Timeout Period:** Adjustable via external capacitor  
- **Operating Temperature Range:** -40°C to +85°C  
- **Low Quiescent Current:** Typically 200µA  
- **Output Type:** Active-low reset (open-drain or push-pull, depending on variant)  
- **Package Options:** SOIC-8, PDIP-8  

### **Descriptions:**  
The TL7705-B is designed to monitor system voltage levels and generate a reset signal if the supply voltage falls below a preset threshold. It ensures proper system initialization and prevents erratic operation during power-up, power-down, or brownout conditions.  

### **Features:**  
- Precision voltage monitoring with ±1.5% threshold accuracy  
- Adjustable reset delay via an external capacitor  
- Wide operating voltage range (3V to 18V)  
- Low power consumption  
- Available in open-drain or push-pull output configurations  
- Suitable for microprocessor and microcontroller-based systems  

For detailed electrical characteristics and application circuits, refer to the official TI datasheet.

Application Scenarios & Design Considerations

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

Alternative Part Number

  • MC34064D-5 --: Single-function supply voltage supervisor with 5V threshold, functionally similar to the TL7705 reset supervisor and widely available.
  • MAX705CPA --: Microprocessor supervisory circuit providing reset and watchdog functions, a common drop-in style alternative for supply monitoring applications.
  • MCP130-475DI/TO --: Voltage supervisor with active-low reset output, suitable replacement for basic supply monitoring where the TL7705 reset function is needed.
  • MC34064P-5 --: Single-function 5V supply voltage supervisor in a DIP-8 package with a similar reset output, widely available and a common drop-in for TL7705 applications.
  • MCP130-450HI/TO --: 5V voltage supervisor with active-low reset output, low cost and simple three-pin TO-92 package, suitable for basic reset supervision where full TL7705 features are not required.

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