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LT3650EDD-4.2#PBF from LINEAR

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LT3650EDD-4.2#PBF

Manufacturer: LINEAR

High Voltage 2 Amp Monolithic Li-Ion Battery Charger

Partnumber Manufacturer Quantity Availability
LT3650EDD-4.2#PBF,LT3650EDD42PBF LINEAR 187 In Stock

Description and Introduction

High Voltage 2 Amp Monolithic Li-Ion Battery Charger The LT3650EDD-4.2#PBF is a power tracking 2A battery charger manufactured by Linear Technology (now part of Analog Devices).  

### **Specifications:**  
- **Input Voltage Range:** 4.95V to 32V  
- **Battery Voltage:** 4.2V (programmable for other voltages)  
- **Charge Current:** Up to 2A (adjustable)  
- **Topology:** Step-down (buck) switching regulator  
- **Charge Termination:** C/10 or timer-based  
- **Operating Frequency:** 1MHz (typical)  
- **Efficiency:** Up to 94%  
- **Package:** 10-Lead DFN (3mm × 3mm)  
- **Operating Temperature Range:** -40°C to +125°C  

### **Descriptions:**  
The LT3650EDD-4.2#PBF is a monolithic buck battery charger IC designed for single-cell Li-Ion/Polymer batteries. It features an input voltage regulation loop to optimize power delivery from solar panels or other current-limited sources. The charger includes thermal regulation to prevent overheating and a programmable charge current.  

### **Features:**  
- **Power Tracking Input Regulation:** Maximizes power from variable sources  
- **Programmable Charge Current:** Up to 2A  
- **Float Voltage Accuracy:** ±0.5%  
- **Thermal Regulation:** Reduces charge current if overheating occurs  
- **NTC Input for Temperature Monitoring**  
- **Automatic Recharge**  
- **Status Outputs:** Charge indication and bad battery detection  
- **Low Dropout Operation:** Allows charging near full battery voltage  

This IC is commonly used in portable devices, solar-powered systems, and industrial applications requiring efficient battery charging.

Application Scenarios & Design Considerations

High Voltage 2 Amp Monolithic Li-Ion Battery Charger

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