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MAX1909ETI from MAXIM,MAXIM - Dallas Semiconductor

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MAX1909ETI

Manufacturer: MAXIM

Multichemistry Battery Charger with Automatic System Power Selector

Partnumber Manufacturer Quantity Availability
MAX1909ETI MAXIM 2160 In Stock

Description and Introduction

Multichemistry Battery Charger with Automatic System Power Selector The MAX1909ETI is a power management IC manufactured by Maxim Integrated. Below are the factual specifications, descriptions, and features from Ic-phoenix technical data files:

### **Specifications:**  
- **Manufacturer:** Maxim Integrated  
- **Part Number:** MAX1909ETI  
- **Package:** 28-TQFN (5x5)  
- **Operating Temperature Range:** -40°C to +85°C  
- **Input Voltage Range:** 4.5V to 28V  
- **Output Voltage Range:** Adjustable  
- **Switching Frequency:** 300kHz (adjustable)  
- **Number of Outputs:** 1  
- **Topology:** Buck (Step-Down)  

### **Description:**  
The MAX1909ETI is a high-efficiency, step-down DC-DC converter designed for applications requiring high output current and wide input voltage range. It integrates synchronous rectification for improved efficiency and is suitable for powering processors, ASICs, and other low-voltage systems.  

### **Features:**  
- **High Efficiency:** Up to 95% efficiency with synchronous rectification.  
- **Wide Input Range:** 4.5V to 28V input voltage.  
- **Adjustable Output Voltage:** Configurable via external resistors.  
- **Adjustable Switching Frequency:** 300kHz (default), can be synchronized to an external clock.  
- **Integrated Power MOSFETs:** Reduces external component count.  
- **Soft-Start:** Prevents inrush current at startup.  
- **Overcurrent and Thermal Protection:** Enhances system reliability.  
- **Low Shutdown Current:** <10µA in shutdown mode.  

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

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