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MAX1748EUE+ from MAXIM,MAXIM - Dallas Semiconductor

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MAX1748EUE+

Manufacturer: MAXIM, MAX

Triple-Output TFT-LCD DC-DC Converters

Partnumber Manufacturer Quantity Availability
MAX1748EUE+,MAX1748EUE MAXIM, MAX 399 In Stock

Description and Introduction

Triple-Output TFT-LCD DC-DC Converters The **MAX1748EUE+** is a DC-DC converter IC manufactured by **Maxim Integrated** (now part of Analog Devices). Below are its key specifications, descriptions, and features based on factual data:

### **Manufacturer:**  
- **MAXIM INTEGRATED** (now Analog Devices)  

### **Specifications:**  
- **Category:** **DC-DC Switching Regulator**  
- **Topology:** **Step-Up (Boost), Step-Down (Buck), Inverting**  
- **Input Voltage Range:** **2.5V to 5.5V**  
- **Output Voltage Range:** **Adjustable (1.25V to 5.5V for Buck, Up to 28V for Boost/Inverting)**  
- **Output Current:** **Up to 500mA (Buck), Up to 250mA (Boost/Inverting)**  
- **Switching Frequency:** **500kHz (Fixed)**  
- **Efficiency:** **Up to 95%**  
- **Operating Temperature Range:** **-40°C to +85°C**  
- **Package:** **16-TSSOP (Exposed Pad)**  
- **Control Method:** **PWM (Pulse-Width Modulation)**  

### **Descriptions:**  
- The **MAX1748EUE+** is a **high-efficiency, multi-mode DC-DC converter** that supports **buck, boost, and inverting configurations** with a single inductor.  
- It is designed for **battery-powered applications**, providing **low quiescent current (45µA typical)** for extended battery life.  
- The device includes **internal power switches**, reducing external component count.  
- It features **soft-start** to limit inrush current and **overcurrent protection** for safe operation.  

### **Features:**  
- **Wide Input Voltage Range (2.5V to 5.5V)**  
- **Adjustable Output Voltage (Buck: 1.25V–5.5V, Boost/Inverting: Up to ±28V)**  
- **500kHz Fixed Switching Frequency**  
- **Low Quiescent Current (45µA)**  
- **Internal Power Switches (No External MOSFETs Needed)**  
- **Soft-Start & Overcurrent Protection**  
- **Tiny 16-TSSOP-EP Package**  

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

Application Scenarios & Design Considerations

Triple-Output TFT-LCD DC-DC Converters

Alternative Part Number

  • TPS61020DRCR --: Boost converter with integrated switch in a similar small package, widely available and functionally comparable for step-up applications.
  • LT1932ES6#TRPBF --: Compact boost/white LED driver with comparable input range and switching topology, suitable as a functional substitute.
  • AP3012KTR-G1 --: Low-cost boost converter in a small SOT package offering similar voltage step-up capability and easy sourcing.
  • LT1932ES6 --: Compact step-up DC-DC converter with comparable current capability and pin-compatible style package options.

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