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MAX1518BETJ from MAXIM,MAXIM - Dallas Semiconductor

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MAX1518BETJ

Manufacturer: MAXIM

TFT-LCD DC-DC Converter with Operational Amplifiers

Partnumber Manufacturer Quantity Availability
MAX1518BETJ MAXIM 10500 In Stock

Description and Introduction

TFT-LCD DC-DC Converter with Operational Amplifiers The MAX1518BETJ is a step-down DC-DC converter manufactured by Maxim Integrated (now part of Analog Devices). Below are its key specifications, descriptions, and features based on factual information from Ic-phoenix technical data files:  

### **Manufacturer:**  
- **MAXIM (Maxim Integrated, now part of Analog Devices)**  

### **Specifications:**  
- **Input Voltage Range:** 2.5V to 5.5V  
- **Output Voltage Range:** Adjustable from 0.8V to VIN  
- **Output Current:** Up to 1.5A  
- **Switching Frequency:** 1MHz (fixed)  
- **Efficiency:** Up to 95%  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** 32-Pin TQFN (5mm x 5mm)  

### **Descriptions:**  
- The MAX1518BETJ is a high-efficiency, synchronous step-down DC-DC converter designed for portable and battery-powered applications.  
- It integrates low RDS(on) MOSFETs to minimize power loss and improve efficiency.  
- Features include pulse-width modulation (PWM) operation, soft-start, and overcurrent/thermal protection.  

### **Features:**  
- **High Efficiency:** Up to 95% due to synchronous rectification.  
- **Adjustable Output Voltage:** Set via external resistors.  
- **1MHz Fixed Switching Frequency:** Reduces external component size.  
- **Integrated Power MOSFETs:** Simplifies design and saves board space.  
- **Soft-Start Function:** Prevents inrush current at startup.  
- **Overcurrent and Thermal Protection:** Enhances reliability.  
- **Low Dropout Operation:** Maintains regulation even when input voltage approaches output voltage.  

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

Application Scenarios & Design Considerations

TFT-LCD DC-DC Converter with Operational Amplifiers

Alternative Part Number

  • TPS65130RGER --: Dual-output boost converter with positive and negative rails, functionally similar to the MAX1518 LCD bias supply and available in a comparable QFN package.
  • LT3580EMS8E --: Versatile boost/inverting converter that can generate the positive and negative bias rails required by LCD panels, offering a similar integrated-switch solution.
  • ISL98611IIZ --: Integrated LCD bias power supply with boost and inverting outputs, designed as a direct alternative for small LCD panel bias applications.

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