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LM2893M from NS,National Semiconductor

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LM2893M

Manufacturer: NS

LM1893/LM2893 Carrier-Current Transceiver

Partnumber Manufacturer Quantity Availability
LM2893M NS 10 In Stock

Description and Introduction

LM1893/LM2893 Carrier-Current Transceiver The LM2893M is a DC-DC converter IC manufactured by National Semiconductor (NS). Below are the factual details about its specifications, descriptions, and features:

### **Specifications:**  
- **Input Voltage Range:** 4.5V to 40V  
- **Output Voltage:** Adjustable (via external resistors)  
- **Output Current:** Up to 750mA  
- **Switching Frequency:** 150kHz (typical)  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package Type:** SOIC-16 (M suffix denotes surface-mount package)  
- **Efficiency:** Up to 85% (depending on application conditions)  
- **Duty Cycle:** Up to 90%  

### **Descriptions:**  
The LM2893M is a monolithic switching regulator designed for step-down (buck) DC-DC conversion. It integrates a high-efficiency switching controller with a power MOSFET, reducing the need for external components. It is suitable for applications requiring a stable, adjustable output voltage from a wide input range.  

### **Features:**  
- **Wide Input Voltage Range (4.5V to 40V)** – Supports various power sources.  
- **Integrated Power MOSFET** – Simplifies design and reduces external component count.  
- **Adjustable Output Voltage** – Configurable via external resistors.  
- **High Efficiency (Up to 85%)** – Optimized for power-sensitive applications.  
- **Thermal Shutdown Protection** – Prevents damage from overheating.  
- **Current Limiting** – Protects against excessive load conditions.  
- **Low Standby Current** – Enhances efficiency in low-power modes.  

This information is based on the manufacturer's datasheet and specifications.

Application Scenarios & Design Considerations

LM1893/LM2893 Carrier-Current Transceiver

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