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MAX8645XETI+ from MAXIM,MAXIM - Dallas Semiconductor

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MAX8645XETI+

Manufacturer: MAXIM

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

Partnumber Manufacturer Quantity Availability
MAX8645XETI+,MAX8645XETI MAXIM 18175 In Stock

Description and Introduction

1x/1.5x/2x White LED Charge Pumps with Two LDOs in 4mm x 4mm TQFN The **MAX8645XETI+** is a power management IC manufactured by **Maxim Integrated** (now part of Analog Devices). Below are its key specifications, descriptions, and features based on factual data:

### **Specifications:**  
- **Manufacturer:** Maxim Integrated  
- **Category:** Power Management IC (PMIC)  
- **Package:** 28-TQFN (5x5mm)  
- **Operating Temperature Range:** -40°C to +85°C  
- **Input Voltage Range:** 2.7V to 5.5V  
- **Output Voltage Range:** Programmable (typically 0.6V to 3.3V)  
- **Output Current:** Up to 4A (buck regulator)  
- **Switching Frequency:** Adjustable (up to 4MHz)  
- **Efficiency:** Up to 95%  

### **Descriptions:**  
The MAX8645XETI+ is a **high-efficiency, synchronous step-down DC-DC converter** designed for applications requiring high current and low noise. It integrates power MOSFETs and offers a compact solution for powering processors, FPGAs, and other high-performance systems.  

### **Features:**  
- **High-Efficiency Synchronous Buck Regulator**  
- **4A Output Current Capability**  
- **Adjustable Output Voltage (0.6V to 3.3V)**  
- **Wide Input Voltage Range (2.7V to 5.5V)**  
- **Programmable Switching Frequency (up to 4MHz)**  
- **Integrated Power MOSFETs**  
- **Low Dropout Operation**  
- **Overcurrent and Thermal Protection**  
- **Small 28-TQFN Package (5x5mm)**  

This IC is commonly used in **portable devices, industrial equipment, and embedded systems** requiring efficient power conversion.  

(Note: For exact details, always refer to the official **Maxim Integrated datasheet**.)

Application Scenarios & Design Considerations

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

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