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SC811ULTRT from SEMTECH

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SC811ULTRT

Manufacturer: SEMTECH

Adapter/USB Tri-Mode Single-cell Li-ion Charger

Partnumber Manufacturer Quantity Availability
SC811ULTRT SEMTECH 12000 In Stock

Description and Introduction

Adapter/USB Tri-Mode Single-cell Li-ion Charger The SC811ULTRT is a synchronous buck converter manufactured by SEMTECH. Below are the factual details from Ic-phoenix technical data files:

### **Specifications:**
- **Input Voltage Range:** 4.5V to 18V  
- **Output Voltage Range:** 0.6V to 5.5V (adjustable)  
- **Output Current:** Up to 8A  
- **Switching Frequency:** 500kHz (fixed)  
- **Efficiency:** Up to 95%  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package:** 16-Pin QFN (4mm x 4mm)  

### **Descriptions:**
- The SC811ULTRT is a high-efficiency, synchronous step-down DC-DC converter.  
- It integrates low RDS(ON) MOSFETs to minimize power loss.  
- Supports forced PWM and PFM modes for improved efficiency across load ranges.  
- Features cycle-by-cycle current limiting and thermal shutdown protection.  

### **Features:**
- **Integrated Power MOSFETs** – Reduces external component count.  
- **Adjustable Output Voltage** – Via external resistor divider.  
- **Wide Input Voltage Range** – Suitable for various applications.  
- **High Efficiency** – Optimized for low power loss.  
- **Protection Features** – Overcurrent, overvoltage, and thermal shutdown.  
- **Small Footprint** – 16-pin QFN package for space-constrained designs.  

This information is based solely on the manufacturer's datasheet and specifications.

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