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L6920D from ST,ST Microelectronics

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L6920D

Manufacturer: ST

1V HIGH EFFICIENCY SYNCHRONOUS STEP UP CONVERTER

Partnumber Manufacturer Quantity Availability
L6920D ST 904 In Stock

Description and Introduction

1V HIGH EFFICIENCY SYNCHRONOUS STEP UP CONVERTER The L6920D is a high-efficiency synchronous step-down DC-DC converter manufactured by STMicroelectronics.  

### **Key Specifications:**  
- **Input Voltage Range:** 2.9V to 5.5V  
- **Output Voltage Range:** Adjustable from 0.6V to VIN  
- **Output Current:** Up to 1.2A  
- **Switching Frequency:** 1.5MHz (typical)  
- **Efficiency:** Up to 95%  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** 8-pin SOIC  

### **Descriptions and Features:**  
- **Synchronous Rectification:** Improves efficiency by reducing power loss.  
- **PWM/PFM Operation:** Automatically switches between modes for optimal efficiency at different loads.  
- **Low Quiescent Current:** ~25µA in PFM mode, enhancing battery life in portable applications.  
- **100% Duty Cycle Operation:** Allows dropout operation when input voltage approaches output voltage.  
- **Soft-Start Function:** Limits inrush current during startup.  
- **Internal Compensation:** Simplifies external component requirements.  
- **Short-Circuit Protection:** Includes overcurrent and thermal shutdown.  
- **Low Dropout Operation:** Maintains regulation even when input voltage is close to output.  

### **Applications:**  
- Portable and battery-powered devices  
- Smartphones, tablets, and handheld gadgets  
- Point-of-load (POL) power supplies  
- Embedded systems  

This information is based on STMicroelectronics' official datasheet for the L6920D.

Application Scenarios & Design Considerations

1V HIGH EFFICIENCY SYNCHRONOUS STEP UP CONVERTER

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