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MAX5003ESE+ from MAXIM,MAXIM - Dallas Semiconductor

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MAX5003ESE+

Manufacturer: MAXIM

High-Voltage PWM Power-Supply Controller

Partnumber Manufacturer Quantity Availability
MAX5003ESE+,MAX5003ESE MAXIM 50 In Stock

Description and Introduction

High-Voltage PWM Power-Supply Controller The MAX5003ESE+ is a high-efficiency, step-down DC-DC converter manufactured by **MAXIM** (now part of Analog Devices). Below are its key specifications, descriptions, and features:

### **Specifications:**  
- **Input Voltage Range:** 4.5V to 30V  
- **Output Voltage Range:** Adjustable from 1.25V to 28V  
- **Output Current:** Up to 500mA  
- **Switching Frequency:** 500kHz (fixed)  
- **Efficiency:** Up to 95%  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** 16-pin SOIC (ESE)  

### **Descriptions:**  
- The MAX5003ESE+ is a **synchronous buck (step-down) converter** with integrated power switches.  
- It is designed for **high-efficiency power conversion** in applications requiring a regulated output voltage lower than the input supply.  
- Features **low-dropout operation**, allowing the output to remain stable even when the input voltage approaches the output voltage.  
- Includes **soft-start** to minimize inrush current and **thermal shutdown** for protection.  

### **Features:**  
- **Integrated Power MOSFETs** (no external switches needed)  
- **Low Quiescent Current** (100µA typical)  
- **Adjustable Output Voltage** via external resistors  
- **Pulse-Width Modulation (PWM) Control** for stable regulation  
- **Short-Circuit and Overcurrent Protection**  
- **Thermal Shutdown** for overtemperature protection  
- **Soft-Start Function** to reduce startup current spikes  

The MAX5003ESE+ is commonly used in **battery-powered systems, industrial controls, telecom equipment, and portable electronics**.  

(Source: MAXIM Integrated datasheet)

Application Scenarios & Design Considerations

High-Voltage PWM Power-Supply Controller

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