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L6920 from ST,ST Microelectronics

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L6920

Manufacturer: ST

1V HIGH EFFICIENCY SYNCHRONOUS STEP UP CONVERTER

Partnumber Manufacturer Quantity Availability
L6920 ST 64 In Stock

Description and Introduction

1V HIGH EFFICIENCY SYNCHRONOUS STEP UP CONVERTER The L6920 is a synchronous step-down switching regulator manufactured by STMicroelectronics. Below are the factual specifications, descriptions, and features from Ic-phoenix technical data files:

### **Specifications:**  
- **Input Voltage Range:** 2.9V to 5.5V  
- **Output Voltage Range:** Adjustable from 0.8V to VIN  
- **Output Current:** Up to 1.2A  
- **Switching Frequency:** 1.5MHz (typical)  
- **Efficiency:** Up to 95%  
- **Quiescent Current:** 30µA (typical) in PFM mode  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** 10-lead DFN (3x3 mm)  

### **Descriptions:**  
- The L6920 is a high-efficiency, synchronous step-down DC-DC converter optimized for battery-powered applications.  
- It integrates low RDS(on) power MOSFETs to minimize power dissipation.  
- Supports both PWM (Pulse Width Modulation) and PFM (Pulse Frequency Modulation) modes for improved efficiency across load ranges.  
- Features a low-dropout (LDO) mode for stable operation even when the input voltage approaches the output voltage.  

### **Features:**  
- **Synchronous Rectification:** Improves efficiency by reducing conduction losses.  
- **Adjustable Output Voltage:** Set via external resistor divider.  
- **Low Quiescent Current:** Extends battery life in portable applications.  
- **Soft-Start Function:** Prevents inrush current at startup.  
- **Overcurrent and Thermal Protection:** Enhances system reliability.  
- **100% Duty Cycle Operation:** Allows operation in dropout conditions.  

This information is based solely on STMicroelectronics' official documentation for the L6920.

Application Scenarios & Design Considerations

1V HIGH EFFICIENCY SYNCHRONOUS STEP UP CONVERTER

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