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LTC4009CUF-1#PBF from LINEAR

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LTC4009CUF-1#PBF

Manufacturer: LINEAR

High Efficiency, Multi-Chemistry Battery Charger

Partnumber Manufacturer Quantity Availability
LTC4009CUF-1#PBF,LTC4009CUF1PBF LINEAR 259 In Stock

Description and Introduction

High Efficiency, Multi-Chemistry Battery Charger The **LTC4009CUF-1#PBF** is a battery charger controller manufactured by **Linear Technology (now part of Analog Devices)**. Below are its key specifications, descriptions, and features based on factual information from Ic-phoenix technical data files:

### **Specifications:**
- **Manufacturer:** Linear Technology (Analog Devices)  
- **Part Number:** LTC4009CUF-1#PBF  
- **Package:** 24-Lead QFN (4mm x 4mm)  
- **Input Voltage Range:** 4.5V to 32V  
- **Battery Voltage Range:** 1V to 32V  
- **Charge Current:** Programmable up to 4A  
- **Charge Termination:** C/10 or Timer-Based  
- **Efficiency:** Up to 96%  
- **Operating Temperature Range:** -40°C to +125°C  
- **Switching Frequency:** Adjustable (300kHz to 2MHz)  

### **Descriptions:**
- The **LTC4009CUF-1#PBF** is a high-efficiency, standalone battery charger controller designed for **Li-Ion, LiFePO4, and NiMH/NiCd** batteries.  
- It supports **constant-current/constant-voltage (CC/CV)** charging with programmable charge current and voltage.  
- The device includes **input current limiting, thermal regulation, and reverse battery protection**.  
- It operates as a **synchronous buck converter** for high efficiency and minimal heat dissipation.  

### **Features:**
- **Wide Input & Battery Voltage Range** (4.5V–32V input, 1V–32V battery).  
- **Programmable Charge Parameters** (current, voltage, and termination).  
- **Input Current Limiting** to prevent overloading the power source.  
- **Automatic Recharge** when battery voltage falls below a threshold.  
- **Thermal Regulation** to reduce charge current if overheating occurs.  
- **Battery Detection & Preconditioning** for deeply discharged cells.  
- **Status Indicators** (charging, fault, and power good signals).  
- **Low Quiescent Current** in shutdown mode (<100µA).  

This information is strictly based on the manufacturer's datasheet and technical documentation.

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