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LTC4070EDDB#PBF from LINEAR

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LTC4070EDDB#PBF

Manufacturer: LINEAR

Li-Ion/Polymer Shunt Battery Charger System

Partnumber Manufacturer Quantity Availability
LTC4070EDDB#PBF,LTC4070EDDBPBF LINEAR 33 In Stock

Description and Introduction

Li-Ion/Polymer Shunt Battery Charger System The LTC4070EDDB#PBF is a battery charger IC manufactured by Linear Technology (now part of Analog Devices). Below are its specifications, descriptions, and features based on factual information from Ic-phoenix technical data files:

### **Specifications:**
- **Manufacturer:** Linear Technology (Analog Devices)  
- **Part Number:** LTC4070EDDB#PBF  
- **Package:** DFN-8 (3x2mm)  
- **Input Voltage Range:** 2.7V to 50V  
- **Charge Current:** Adjustable up to 50mA  
- **Battery Float Voltage:** Adjustable (default 4.2V for Li-Ion)  
- **Quiescent Current:** 550nA (typical) in standby mode  
- **Operating Temperature Range:** -40°C to +125°C  
- **Protection Features:** Reverse battery protection, thermal shutdown  

### **Descriptions:**
The LTC4070EDDB#PBF is a low-power, standalone linear battery charger designed for single-cell Li-Ion/Polymer batteries. It is optimized for applications requiring very low standby power, making it suitable for energy harvesting and long-life battery systems. The device features an adjustable float voltage and charge current, along with built-in protection mechanisms.  

### **Features:**
- **Ultra-Low Quiescent Current:** 550nA in standby mode for minimal power loss.  
- **Wide Input Voltage Range:** Supports 2.7V to 50V inputs.  
- **Adjustable Charge Current:** Up to 50mA with an external resistor.  
- **Programmable Float Voltage:** Default 4.2V (adjustable for different chemistries).  
- **Reverse Battery Protection:** Prevents damage if the battery is connected backward.  
- **Thermal Shutdown:** Protects the IC from overheating.  
- **Small DFN Package:** Compact 3mm x 2mm footprint for space-constrained designs.  
- **Standalone Operation:** No microcontroller required for basic charging.  

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

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