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MAX5003CEE from MAXIM,MAXIM - Dallas Semiconductor

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MAX5003CEE

Manufacturer: MAXIM

High-Voltage PWM Power-Supply Controller

Partnumber Manufacturer Quantity Availability
MAX5003CEE MAXIM 49 In Stock

Description and Introduction

High-Voltage PWM Power-Supply Controller The MAX5003CEE is a high-efficiency, step-down DC-DC converter manufactured by Maxim Integrated. Below are its specifications, descriptions, and features:

### **Specifications:**  
- **Input Voltage Range:** 4.5V to 40V  
- **Output Voltage Range:** Adjustable from 1.25V to 37V  
- **Output Current:** Up to 500mA  
- **Switching Frequency:** 100kHz (fixed)  
- **Efficiency:** Up to 90%  
- **Operating Temperature Range:** 0°C to +70°C  
- **Package:** 16-pin QSOP (Quad Flat Small Outline Package)  
- **Duty Cycle:** Up to 95%  

### **Descriptions:**  
The MAX5003CEE is a monolithic, pulse-width modulated (PWM), step-down DC-DC converter designed for high-efficiency power conversion. It integrates a power MOSFET switch, allowing for simplified circuit design. The device is suitable for battery-powered applications, industrial systems, and automotive electronics where high input voltage and efficiency are required.  

### **Features:**  
- **Wide Input Voltage Range (4.5V to 40V)** – Supports various power sources.  
- **Adjustable Output Voltage (1.25V to 37V)** – Set via external resistors.  
- **Internal Power MOSFET Switch** – Reduces external component count.  
- **Low Quiescent Current (1.5mA typical)** – Improves efficiency at light loads.  
- **Short-Circuit Protection** – Enhances reliability.  
- **Thermal Shutdown** – Prevents overheating.  
- **Soft-Start Function** – Reduces inrush current during startup.  

This device is optimized for applications requiring compact, efficient power conversion with minimal external components.

Application Scenarios & Design Considerations

High-Voltage PWM Power-Supply Controller

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