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LM369DM from NS,National Semiconductor

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LM369DM

Manufacturer: NS

Precision Voltage Reference

Partnumber Manufacturer Quantity Availability
LM369DM NS 2315 In Stock

Description and Introduction

Precision Voltage Reference The LM369DM is a step-down DC-DC converter manufactured by Texas Instruments (NS). Below are its key specifications, descriptions, and features:

### **Specifications:**
- **Input Voltage Range:** 2.7V to 5.5V  
- **Output Voltage Range:** Adjustable from 0.6V to VIN  
- **Output Current:** Up to 1A  
- **Switching Frequency:** 2.25MHz (typical)  
- **Efficiency:** Up to 95%  
- **Quiescent Current:** 30µA (typical)  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** 8-pin WSON  

### **Descriptions:**
- The LM369DM is a high-efficiency, step-down DC-DC converter designed for portable applications.  
- It integrates synchronous rectification for improved efficiency and reduced external component count.  
- The device supports adjustable output voltage via an external resistor divider.  
- It features a fixed-frequency PWM operation for low output ripple.  

### **Features:**
- **High Efficiency:** Up to 95% efficiency with synchronous rectification.  
- **Low Quiescent Current:** 30µA in operation, prolonging battery life.  
- **Small Solution Size:** High switching frequency (2.25MHz) allows for small external components.  
- **Power-Saving Mode:** Automatically enters PFM mode at light loads for improved efficiency.  
- **Protection Features:** Includes thermal shutdown, overcurrent protection, and undervoltage lockout (UVLO).  
- **Adjustable Output:** Output voltage can be set via external resistors.  

This information is based on the manufacturer's datasheet. For detailed application notes, refer to Texas Instruments' official documentation.

Application Scenarios & Design Considerations

Precision Voltage Reference
Partnumber Manufacturer Quantity Availability
LM369DM NSC 200 In Stock

Description and Introduction

Precision Voltage Reference The LM369DM is a high-efficiency, step-down DC-DC converter manufactured by National Semiconductor (NSC).  

### **Specifications:**  
- **Input Voltage Range:** 2.7V to 5.5V  
- **Output Voltage Range:** Adjustable from 0.6V to VIN  
- **Output Current:** Up to 600mA  
- **Switching Frequency:** 1.6MHz (typical)  
- **Efficiency:** Up to 95%  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** 8-Pin SOIC  

### **Descriptions and Features:**  
- **High Efficiency:** Optimized for low-power applications with high efficiency.  
- **Low Quiescent Current:** Typically 19µA in PWM mode.  
- **Adjustable Output Voltage:** Set via external resistors.  
- **PWM/PFM Auto Mode:** Automatically switches between modes for optimal efficiency.  
- **Internal Soft-Start:** Reduces inrush current during startup.  
- **Thermal Shutdown Protection:** Prevents damage from overheating.  
- **Short-Circuit Protection:** Enhances reliability under fault conditions.  
- **Small Footprint:** Suitable for space-constrained applications.  

The LM369DM is commonly used in portable devices, battery-powered systems, and other low-voltage applications requiring efficient power conversion.

Application Scenarios & Design Considerations

Precision Voltage Reference

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