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MAX738AEPA from MAX,MAXIM - Dallas Semiconductor

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MAX738AEPA

Manufacturer: MAX

5V / Step-Down / Current-Mode PWM DC-DC Converters

Partnumber Manufacturer Quantity Availability
MAX738AEPA MAX 500 In Stock

Description and Introduction

5V / Step-Down / Current-Mode PWM DC-DC Converters The MAX738AEPA is a step-down (buck) switching regulator manufactured by Maxim Integrated (now part of Analog Devices). Below are its key specifications, descriptions, and features:

### **Specifications:**  
- **Input Voltage Range:** 5V to 15V  
- **Output Voltage:** Adjustable from 2.5V to 5.5V (fixed 5V version also available)  
- **Output Current:** Up to 750mA  
- **Switching Frequency:** 170kHz  
- **Efficiency:** Up to 90%  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** 8-pin PDIP (Plastic Dual In-line Package)  

### **Descriptions:**  
- The MAX738AEPA is a monolithic, step-down DC-DC converter designed for efficient power conversion.  
- It integrates a power MOSFET switch, oscillator, and control circuitry.  
- Suitable for battery-powered applications, portable devices, and embedded systems.  

### **Features:**  
- **Low Dropout Operation:** Maintains regulation with input voltages close to the output.  
- **Low Quiescent Current:** Typically 1.7mA (improves battery life).  
- **Internal Current Limiting:** Protects against overloads.  
- **Soft-Start Function:** Reduces inrush current during startup.  
- **Thermal Shutdown:** Prevents damage from overheating.  

For exact details, refer to the official datasheet from Maxim Integrated (Analog Devices).

Application Scenarios & Design Considerations

5V / Step-Down / Current-Mode PWM DC-DC Converters

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