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LM2798MM-1.5 from NS,National Semiconductor

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LM2798MM-1.5

Manufacturer: NS

120mA High Efficiency Step-Down Switched Capacitor Voltage Converter with Voltage Monitoring

Partnumber Manufacturer Quantity Availability
LM2798MM-1.5,LM2798MM15 NS 382 In Stock

Description and Introduction

120mA High Efficiency Step-Down Switched Capacitor Voltage Converter with Voltage Monitoring The LM2798MM-1.5 is a charge pump-based LED driver manufactured by National Semiconductor (NS). Below are the factual specifications, descriptions, and features from Ic-phoenix technical data files:  

### **Specifications:**  
- **Manufacturer:** National Semiconductor (NS)  
- **Type:** Charge Pump LED Driver  
- **Output Current:** Adjustable up to 30 mA per channel  
- **Number of Channels:** 3  
- **Output Voltage:** 1.5 V (fixed)  
- **Input Voltage Range:** 2.7 V to 5.5 V  
- **Switching Frequency:** 1 MHz (typical)  
- **Package:** 10-pin MSOP (MM)  
- **Operating Temperature Range:** -40°C to +85°C  
- **Efficiency:** Up to 90% (depending on conditions)  

### **Descriptions:**  
- The LM2798MM-1.5 is a fixed-output charge pump designed to drive LEDs efficiently.  
- It provides a regulated 1.5 V output, making it suitable for low-voltage LED applications.  
- The device includes an internal current regulator for each channel, ensuring uniform brightness.  

### **Features:**  
- **Fixed 1.5 V Output:** Ensures stable LED operation.  
- **High Efficiency:** Uses a 1×/1.5×/2× charge pump for optimal power conversion.  
- **Low Noise:** Minimizes EMI interference.  
- **Thermal Protection:** Prevents overheating.  
- **Small Footprint:** 10-pin MSOP package for space-constrained applications.  
- **Adjustable Brightness:** Current can be set via external resistors.  

This information is based solely on the manufacturer's datasheet and technical documentation.

Application Scenarios & Design Considerations

120mA High Efficiency Step-Down Switched Capacitor Voltage Converter with Voltage Monitoring

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