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LM2753SD from NS,National Semiconductor

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LM2753SD

Manufacturer: NS

High Power Switched Capacitor Voltage Convertor/Flash LED Driver

Partnumber Manufacturer Quantity Availability
LM2753SD NS 1200 In Stock

Description and Introduction

High Power Switched Capacitor Voltage Convertor/Flash LED Driver The LM2753SD is a switching regulator manufactured by National Semiconductor (NS). Below are the factual details from Ic-phoenix technical data files:

### **Manufacturer:**  
- **National Semiconductor (NS)**  

### **Specifications:**  
- **Topology:** Step-up (boost) DC-DC converter  
- **Input Voltage Range:** 2.7V to 5.5V  
- **Output Voltage:** Adjustable (up to 5.5V)  
- **Switching Frequency:** 1.6MHz (typical)  
- **Output Current:** Up to 300mA  
- **Efficiency:** Up to 90%  
- **Package:** 10-pin LLP (Leadless Leadframe Package)  
- **Operating Temperature Range:** -40°C to +85°C  

### **Descriptions:**  
- The LM2753SD is a high-efficiency, fixed-frequency step-up DC-DC converter optimized for low-power applications.  
- It includes internal power switches, eliminating the need for an external MOSFET.  
- The device is designed for battery-powered systems, portable electronics, and other applications requiring regulated voltage from a low input supply.  

### **Features:**  
- **Integrated Power Switches** – No external MOSFET required.  
- **Fixed-Frequency Operation** – 1.6MHz switching frequency reduces external component size.  
- **Low Quiescent Current** – Improves efficiency at light loads.  
- **Soft-Start Function** – Limits inrush current during startup.  
- **Undervoltage Lockout (UVLO)** – Ensures proper operation under low input voltage conditions.  
- **Thermal Shutdown Protection** – Prevents damage from excessive heat.  

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

Application Scenarios & Design Considerations

High Power Switched Capacitor Voltage Convertor/Flash LED Driver
Partnumber Manufacturer Quantity Availability
LM2753SD NATIONAL 1000 In Stock

Description and Introduction

High Power Switched Capacitor Voltage Convertor/Flash LED Driver The LM2753SD is a switching regulator manufactured by National Semiconductor (now part of Texas Instruments). Below are its key specifications, descriptions, and features:

### **Specifications:**  
- **Input Voltage Range:** 2.7V to 5.5V  
- **Output Voltage:** Adjustable (via external resistors)  
- **Output Current:** Up to 600mA  
- **Switching Frequency:** 1.6MHz (typical)  
- **Efficiency:** Up to 90%  
- **Package:** 10-pin LLP (Leadless Leadframe Package)  
- **Operating Temperature Range:** -40°C to +85°C  

### **Descriptions:**  
The LM2753SD is a high-efficiency, step-down DC-DC converter designed for portable and battery-powered applications. It integrates a power switch, synchronous rectifier, and control circuitry to provide a regulated output voltage from a low input supply.  

### **Features:**  
- **High Efficiency:** Uses synchronous rectification for improved power conversion.  
- **Low Dropout Operation:** Maintains regulation even when input voltage approaches output voltage.  
- **Pulse-Skipping Mode:** Enhances efficiency at light loads.  
- **Soft-Start:** Reduces inrush current during startup.  
- **Thermal Shutdown:** Protects the device from overheating.  
- **Short-Circuit Protection:** Safeguards against output faults.  
- **Small Footprint:** 10-pin LLP package saves board space.  

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

Application Scenarios & Design Considerations

High Power Switched Capacitor Voltage Convertor/Flash LED Driver

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