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TPS3305-18DGNR from TI,Texas Instruments

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TPS3305-18DGNR

Manufacturer: TI

18
Partnumber Manufacturer Quantity Availability
TPS3305-18DGNR,TPS330518DGNR TI 6070 In Stock

Description and Introduction

18 The TPS3305-18DGNR is a voltage supervisor manufactured by Texas Instruments (TI).  

### **Specifications:**  
- **Output Voltage:** 1.8V (fixed threshold)  
- **Supply Voltage Range:** 1.5V to 6.5V  
- **Reset Threshold Accuracy:** ±1.5% (typical)  
- **Reset Timeout Period:** Adjustable (via external capacitor) or fixed (200ms typical)  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package:** 8-pin MSOP (DGNR)  

### **Descriptions:**  
- Monitors system voltage and provides a reset signal when the voltage falls below a preset threshold.  
- Includes a manual reset input for external system control.  
- Features a watchdog timer for enhanced system reliability.  
- Low quiescent current (typically 35µA).  

### **Features:**  
- Precision voltage monitoring for 1.8V systems.  
- Adjustable or fixed reset delay.  
- Manual reset capability.  
- Watchdog timer with programmable timeout.  
- Power-on reset (POR) generator.  
- Small MSOP package for space-constrained applications.  

This device is commonly used in embedded systems, microcontrollers, and power management applications requiring reliable voltage supervision.

Application Scenarios & Design Considerations

18

Alternative Part Number

  • MAX6746KA29+T --: Dual-voltage supervisor with similar reset threshold and open-drain output, functionally comparable to the TPS3305-18 in a small package.
  • ADM6711TAKSZ-REEL --: Single/dual supply voltage monitor with adjustable threshold and reset output, suitable replacement for supply supervision applications.
  • MCP1316T-29FE/OT --: Low-power voltage supervisor with reset output and similar threshold range, offering a cost-effective alternative for system monitoring.
  • MAX6746KA-T --: Dual-voltage supervisor with 1.8V monitoring threshold and adjustable reset, functionally similar to the TPS3305-18 in a small package.
  • ADM1184ARMZ --: Quad voltage monitor/supervisor with low threshold options that can cover 1.8V rail supervision, offering comparable reset functionality.
  • LTC2912IMS8-1 --: Single/dual supply voltage supervisor with adjustable thresholds and open-drain reset output, suitable as a functional replacement for 1.8V monitoring.

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