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LM2767M5X from NS,National Semiconductor

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LM2767M5X

Manufacturer: NS, NS国半

Switched Capacitor Voltage Converter

Partnumber Manufacturer Quantity Availability
LM2767M5X NS, NS国半 44035 In Stock

Description and Introduction

Switched Capacitor Voltage Converter The LM2767M5X is a high-efficiency, fixed-frequency step-down DC-DC converter manufactured by National Semiconductor (NS国半). Below are its key specifications, descriptions, and features:

### **Specifications:**
- **Input Voltage Range:** 2.7V to 5.5V  
- **Output Voltage:** Fixed 1.8V  
- **Output Current:** Up to 600mA  
- **Switching Frequency:** 1.6MHz (typical)  
- **Efficiency:** Up to 96%  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** SOT-23-5  

### **Descriptions:**
- The LM2767M5X is a synchronous step-down DC-DC converter optimized for battery-powered applications.  
- It integrates both high-side and low-side MOSFETs for improved efficiency.  
- The fixed-frequency PWM architecture ensures stable performance under varying load conditions.  

### **Features:**
- **High Efficiency:** Up to 96% due to synchronous rectification.  
- **Low Quiescent Current:** 16µA (typical) in shutdown mode.  
- **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:** SOT-23-5 package for space-constrained designs.  

This information is based solely on the manufacturer's datasheet. For detailed application guidelines, refer to the official documentation.

Application Scenarios & Design Considerations

Switched Capacitor Voltage Converter

Alternative Part Number

  • TPS60150DBVR --: Pin-compatible switched-capacitor voltage converter in SOT-23-5 with similar boost/inverting function and current capability; TI is the direct successor to National Semiconductor parts.
  • MAX1682EUK+T --: Switched-capacitor voltage doubler/inverter in SOT-23-5 offering comparable output current and operating voltage range, suitable as a functional replacement.
  • LTC1515CS8-3.3 --: Regulated switched-capacitor converter with similar input range and output current; different package (SO-8) but electrically suitable where board space allows.
  • TPS60503DGSR --: Pin-compatible switched-capacitor voltage converter in the same SOT-23/MSOP family with similar input range and output current, widely available and directly substitutable in most LM2767 designs.
  • MAX660CSA+ --: Classic charge-pump voltage converter offering comparable inverting/doubling functionality and current capability, suitable when layout can accommodate the SOIC package.
  • ICL7660ACPA+ --: Industry-standard charge-pump converter with similar voltage conversion function and low cost, a common fallback when exact SOT-23 footprint is not mandatory.

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