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L6911E from ST,ST Microelectronics

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L6911E

Manufacturer: ST

5 BIT PROGRAMMABLE STEP DOWN CONTROLLER WITH SYNCHRONOUS RECTIFICATION

Partnumber Manufacturer Quantity Availability
L6911E ST 110 In Stock

Description and Introduction

5 BIT PROGRAMMABLE STEP DOWN CONTROLLER WITH SYNCHRONOUS RECTIFICATION The part **L6911E** is a **synchronous step-down switching regulator** manufactured by **STMicroelectronics (ST)**. 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 0.9V to VIN  
- **Output Current:** Up to 1.5A  
- **Switching Frequency:** 1.5MHz (typical)  
- **Efficiency:** Up to 95%  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** SO-8  

### **Descriptions:**
- The **L6911E** is a **high-efficiency, synchronous PWM step-down DC-DC converter** optimized for battery-powered applications.  
- It integrates **low RDS(ON) power MOSFETs** for reduced power dissipation.  
- Designed for **space-constrained applications** due to its high switching frequency, allowing the use of small external components.  
- Features **internal soft-start** to limit inrush current.  

### **Features:**
- **Synchronous rectification** for improved efficiency.  
- **Pulse Width Modulation (PWM) mode** for stable operation under load.  
- **Low dropout operation** (100% duty cycle).  
- **Overcurrent and thermal protection.**  
- **Undervoltage lockout (UVLO).**  
- **Adjustable output voltage via external resistors.**  

This information is based solely on the manufacturer's datasheet for the **L6911E** by **STMicroelectronics**.

Application Scenarios & Design Considerations

5 BIT PROGRAMMABLE STEP DOWN CONTROLLER WITH SYNCHRONOUS RECTIFICATION

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