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L6910A from ST,ST Microelectronics

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L6910A

Manufacturer: ST

ADJUSTABLE STEP DOWN CONTROLLER WITH SYNCHRONOUS RECTIFICATION

Partnumber Manufacturer Quantity Availability
L6910A ST 2189 In Stock

Description and Introduction

ADJUSTABLE STEP DOWN CONTROLLER WITH SYNCHRONOUS RECTIFICATION The L6910A is a 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 1A  
- **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:** SO-8  

### **Descriptions:**
- The L6910A is a synchronous step-down DC-DC converter optimized for battery-powered applications.  
- It integrates a PWM controller with internal power MOSFETs for high efficiency.  
- Supports both Pulse Width Modulation (PWM) and Pulse Frequency Modulation (PFM) modes for improved efficiency across load ranges.  
- Designed for low-power portable devices such as smartphones, PDAs, and wireless modules.  

### **Features:**
- **Synchronous Rectification:** Improves efficiency by reducing power dissipation.  
- **Low Dropout Operation:** Allows the output voltage to be close to the input voltage.  
- **Soft-Start:** Prevents inrush current during startup.  
- **Undervoltage Lockout (UVLO):** Ensures proper operation under low input voltage conditions.  
- **Overcurrent Protection (OCP):** Safeguards the device from excessive current.  
- **Thermal Shutdown:** Protects the IC from overheating.  

For further details, refer to the official STMicroelectronics datasheet.

Application Scenarios & Design Considerations

ADJUSTABLE STEP DOWN CONTROLLER WITH SYNCHRONOUS RECTIFICATION

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