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LF298H from NS,National Semiconductor

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LF298H

Manufacturer: NS

Monolithic Sample and Hold Circuit

Partnumber Manufacturer Quantity Availability
LF298H NS 42 In Stock

Description and Introduction

Monolithic Sample and Hold Circuit The LF298H is a monolithic power switching regulator manufactured by National Semiconductor (NS). Below are its specifications, descriptions, and features based on factual information:

### **Specifications:**  
- **Input Voltage Range:** 4.5V to 40V  
- **Output Voltage Range:** Adjustable from 1.2V to 37V  
- **Output Current:** Up to 5A  
- **Switching Frequency:** Internally fixed at 100kHz  
- **Efficiency:** Up to 80%  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package Type:** TO-3 (5-lead)  

### **Descriptions:**  
- The LF298H is a step-down (buck) switching regulator designed for high-efficiency power conversion.  
- It includes an internal power switch, oscillator, and control circuitry, reducing the need for external components.  
- Suitable for applications requiring high current and wide input voltage ranges.  

### **Features:**  
- **Internal Current Limiting:** Protects against overloads.  
- **Thermal Shutdown:** Prevents overheating.  
- **Adjustable Output Voltage:** Via external resistors.  
- **Low Standby Current:** Improves efficiency in idle mode.  
- **High Switching Efficiency:** Reduces power dissipation.  

This information is based on the manufacturer's datasheet for the LF298H.

Application Scenarios & Design Considerations

Monolithic Sample and Hold Circuit

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