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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.

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.

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