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MAX1621EEE+ from MAXIM,MAXIM - Dallas Semiconductor

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MAX1621EEE+

Manufacturer: MAXIM

Digitally Adjustable LCD Bias Supplies

Partnumber Manufacturer Quantity Availability
MAX1621EEE+,MAX1621EEE MAXIM 550 In Stock

Description and Introduction

Digitally Adjustable LCD Bias Supplies The MAX1621EEE+ is a step-down (buck) DC-DC converter manufactured by **MAXIM** (now part of Analog Devices). Below are its key specifications, descriptions, and features based on factual information from Ic-phoenix technical data files:

### **Specifications:**  
- **Input Voltage Range:** 4V to 30V  
- **Output Voltage Range:** Adjustable from 1.25V to 29V  
- **Output Current:** Up to 500mA  
- **Switching Frequency:** 300kHz (fixed)  
- **Efficiency:** Up to 90%  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** 16-pin QSOP (EE)  

### **Descriptions:**  
- The MAX1621EEE+ is a **high-efficiency, step-down DC-DC converter** designed for applications requiring a regulated output voltage from a higher input voltage.  
- It uses **PWM (Pulse-Width Modulation)** control for stable voltage regulation.  
- Includes **internal power MOSFETs**, reducing the need for external components.  
- Suitable for **battery-powered systems, industrial controls, and automotive applications**.  

### **Features:**  
- **Low Dropout Operation:** Maintains regulation even when the input voltage is close to the output.  
- **Low Quiescent Current:** Typically **100µA** in shutdown mode.  
- **Overcurrent Protection:** Prevents damage due to excessive load current.  
- **Adjustable Output Voltage:** Set via an external resistor divider.  
- **Thermal Shutdown:** Protects the IC from overheating.  

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

Application Scenarios & Design Considerations

Digitally Adjustable LCD Bias Supplies

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