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MAX1909ETI+ from MAX,MAXIM - Dallas Semiconductor

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MAX1909ETI+

Manufacturer: MAX

Multichemistry Battery Chargers with Automatic System Power Selector

Partnumber Manufacturer Quantity Availability
MAX1909ETI+,MAX1909ETI MAX 10 In Stock

Description and Introduction

Multichemistry Battery Chargers with Automatic System Power Selector The MAX1909ETI+ is a power management IC manufactured by Maxim Integrated. Below are the factual details from Ic-phoenix technical data files:

### **Manufacturer:**  
- **MAX** (Maxim Integrated)  

### **Specifications:**  
- **Part Number:** MAX1909ETI+  
- **Type:** Step-Down (Buck) Switching Regulator  
- **Input Voltage Range:** 4.5V to 28V  
- **Output Voltage Range:** Adjustable (0.8V to 5.5V)  
- **Output Current:** Up to 4A  
- **Switching Frequency:** 300kHz  
- **Efficiency:** Up to 95%  
- **Package:** 28-Pin TQFN (Thin Quad Flat No-Lead)  
- **Operating Temperature Range:** -40°C to +85°C  

### **Descriptions:**  
- The MAX1909ETI+ is a high-efficiency, synchronous step-down DC-DC converter.  
- It integrates high-side and low-side MOSFETs for compact power supply designs.  
- Features pulse-width modulation (PWM) control for stable voltage regulation.  
- Suitable for applications requiring high current and wide input voltage range.  

### **Features:**  
- **Integrated Power MOSFETs** (Reduces external component count)  
- **Adjustable Output Voltage** (Via external resistors)  
- **Programmable Soft-Start** (Prevents inrush current)  
- **Overcurrent and Thermal Protection** (Enhances reliability)  
- **Low-Dropout Operation** (Supports high duty cycles)  
- **Synchronizable Switching Frequency** (Reduces noise interference)  

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

Application Scenarios & Design Considerations

Multichemistry Battery Chargers with Automatic System Power Selector

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