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LTC4054ES5-4.2#PBF from LINEAR

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LTC4054ES5-4.2#PBF

Manufacturer: LINEAR

Standalone Linear Li-Ion Battery Charger with Thermal Regulation in ThinSOT

Partnumber Manufacturer Quantity Availability
LTC4054ES5-4.2#PBF,LTC4054ES542PBF LINEAR 264 In Stock

Description and Introduction

Standalone Linear Li-Ion Battery Charger with Thermal Regulation in ThinSOT The LTC4054ES5-4.2#PBF is a lithium-ion battery charger manufactured by **Linear Technology (now part of Analog Devices)**.  

### **Specifications:**  
- **Input Voltage Range:** 4.25V to 6.5V  
- **Charging Voltage:** 4.2V (fixed)  
- **Charge Current:** Programmable up to 500mA  
- **Charge Termination:** C/10 (10% of programmed current)  
- **Preconditioning:** For deeply discharged batteries  
- **Package:** SOT-23-5  
- **Operating Temperature Range:** -40°C to +85°C  
- **Low Power Consumption:** Shutdown current < 1µA  
- **Protection Features:** Thermal regulation, reverse battery protection  

### **Descriptions:**  
- A standalone linear charger for single-cell lithium-ion batteries.  
- Requires minimal external components.  
- Automatically terminates charging when the battery reaches full capacity.  
- Suitable for portable applications like smartphones, PDAs, and Bluetooth devices.  

### **Features:**  
- **Complete Charger:** No external MOSFET or blocking diode needed.  
- **Programmable Charge Current:** Set via an external resistor.  
- **Thermal Regulation:** Prevents overheating.  
- **Automatic Recharge:** Initiates charging if battery voltage drops.  
- **Battery Detection:** Ensures no battery is present before applying power.  
- **Small Footprint:** SOT-23-5 package for space-constrained designs.  

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

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