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LTC1728ES5-3.3 from LT

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LTC1728ES5-3.3

Manufacturer: LT

Micropower Precision Triple Supply Monitors in 8-Lead MSOP and 5-Lead SOT-23 Packages

Partnumber Manufacturer Quantity Availability
LTC1728ES5-3.3,LTC1728ES533 LT 237 In Stock

Description and Introduction

Micropower Precision Triple Supply Monitors in 8-Lead MSOP and 5-Lead SOT-23 Packages The LTC1728ES5-3.3 is a microprocessor supervisory circuit manufactured by Linear Technology (now part of Analog Devices).  

### **Specifications:**  
- **Output Voltage:** 3.3V  
- **Reset Threshold Accuracy:** ±1.5%  
- **Reset Timeout Period:** Adjustable (default 200ms)  
- **Operating Voltage Range:** 1.2V to 5.5V  
- **Quiescent Current:** 7µA (typical)  
- **Package:** SOT-23-5  
- **Operating Temperature Range:** -40°C to +85°C  
- **Manual Reset Input:** Yes (active-low)  

### **Descriptions & Features:**  
- Monitors 3.3V power supply voltage and generates a reset signal when the voltage falls below the threshold.  
- Low quiescent current makes it suitable for battery-powered applications.  
- Adjustable reset timeout via an external capacitor.  
- Includes a manual reset input for external system control.  
- Guaranteed reset output valid down to VCC = 1V.  
- Immune to short VCC transients.  

This device is commonly used in embedded systems, microcontrollers, and other applications requiring reliable power monitoring.

Application Scenarios & Design Considerations

Micropower Precision Triple Supply Monitors in 8-Lead MSOP and 5-Lead SOT-23 Packages
Partnumber Manufacturer Quantity Availability
LTC1728ES5-3.3,LTC1728ES533 LINEAR 377 In Stock

Description and Introduction

Micropower Precision Triple Supply Monitors in 8-Lead MSOP and 5-Lead SOT-23 Packages The LTC1728ES5-3.3 is a microprocessor supervisory circuit manufactured by Linear Technology (now part of Analog Devices).  

### **Specifications:**  
- **Output Voltage:** 3.3V  
- **Reset Threshold Accuracy:** ±1.5%  
- **Reset Timeout Period:** 140ms (min)  
- **Operating Voltage Range:** 1V to 5.5V  
- **Quiescent Current:** 6μA (typical)  
- **Package:** SOT-23-5  
- **Operating Temperature Range:** -40°C to +85°C  

### **Descriptions:**  
- Monitors 3.3V power supplies  
- Provides a reset signal to the microprocessor during power-up, power-down, or brownout conditions  
- Low quiescent current makes it suitable for battery-powered applications  

### **Features:**  
- Precision voltage monitoring  
- Guaranteed reset output valid down to VCC = 1V  
- No external components required  
- Push-pull RESET output  
- Small SOT-23 package  

This device ensures reliable system operation by preventing microprocessor malfunctions due to unstable power conditions.

Application Scenarios & Design Considerations

Micropower Precision Triple Supply Monitors in 8-Lead MSOP and 5-Lead SOT-23 Packages

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