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MAX8645XETI+T from MAXIM,MAXIM - Dallas Semiconductor

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MAX8645XETI+T

Manufacturer: MAXIM

1x/1.5x/2x White LED Charge Pumps with Two LDOs in 4mm x 4mm TQFN

Partnumber Manufacturer Quantity Availability
MAX8645XETI+T,MAX8645XETIT MAXIM 845 In Stock

Description and Introduction

1x/1.5x/2x White LED Charge Pumps with Two LDOs in 4mm x 4mm TQFN The MAX8645XETI+T 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:** MAX8645XETI+T  
- **Package:** 28-TQFN-EP (5x5)  
- **Operating Temperature Range:** -40°C to +85°C  
- **Input Voltage Range:** 2.5V to 5.5V  
- **Output Voltage Range:** Adjustable (programmable)  
- **Output Current:** Up to 1.5A  
- **Switching Frequency:** 1MHz (typical)  
- **Efficiency:** Up to 95%  
- **Features:** Synchronous step-down DC-DC converter with integrated power switches  

### **Descriptions:**  
The MAX8645XETI+T is a high-efficiency, synchronous step-down DC-DC converter designed for portable applications. It integrates power MOSFETs and operates from an input voltage range of 2.5V to 5.5V, making it suitable for single-cell Li+ battery-powered devices. The device provides a regulated output voltage with high efficiency and low quiescent current, optimizing battery life.  

### **Features:**  
- **High Efficiency:** Up to 95% efficiency with synchronous rectification.  
- **Adjustable Output Voltage:** Programmable via external resistors.  
- **Integrated Power Switches:** Eliminates the need for external MOSFETs.  
- **1MHz Switching Frequency:** Allows for small external components.  
- **Low Quiescent Current:** Improves battery life in portable applications.  
- **Thermal Shutdown & Overcurrent Protection:** Enhances reliability.  
- **Soft-Start Function:** Reduces inrush current during startup.  
- **Tiny 28-TQFN Package:** Space-saving design for compact applications.  

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

Application Scenarios & Design Considerations

1x/1.5x/2x White LED Charge Pumps with Two LDOs in 4mm x 4mm TQFN

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