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MAX758AEPA from MAXIM,MAXIM - Dallas Semiconductor

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MAX758AEPA

Manufacturer: MAXIM

Adjustable / Step-Down / Current-Mode PWM Regulators

Partnumber Manufacturer Quantity Availability
MAX758AEPA MAXIM 27 In Stock

Description and Introduction

Adjustable / Step-Down / Current-Mode PWM Regulators The MAX758AEPA is a step-down (buck) switching regulator manufactured by Maxim Integrated (now part of Analog Devices).  

### **Specifications:**  
- **Input Voltage Range:** 4V to 16V  
- **Output Voltage Range:** Adjustable from 1.25V to 13V  
- **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)  
- **Features:**  
  - Low dropout operation  
  - Internal current limiting  
  - Thermal shutdown protection  
  - Adjustable output voltage via external resistors  

### **Descriptions and Features:**  
The MAX758AEPA is a versatile, step-down DC-DC converter designed for efficient power conversion in battery-powered and industrial applications. It integrates a power MOSFET switch, simplifying design while maintaining high efficiency. The adjustable output voltage allows flexibility for various applications.  

Key features include:  
- **High Efficiency:** Minimizes power loss, extending battery life.  
- **Low Dropout Operation:** Maintains regulation even when the input voltage is close to the output.  
- **Protection Circuits:** Built-in current limiting and thermal shutdown prevent damage under fault conditions.  
- **Compact Design:** The 8-pin PDIP package is suitable for space-constrained applications.  

This regulator is commonly used in portable devices, embedded systems, and power supplies requiring stable, adjustable voltage outputs.  

(Note: Always refer to the official datasheet for detailed specifications and application guidelines.)

Application Scenarios & Design Considerations

Adjustable / Step-Down / Current-Mode PWM Regulators

Alternative Part Number

  • LM2574N-5.0 --: Pin-compatible 5V step-down switching regulator in a DIP-8 package with similar current capability, widely available and lower cost.
  • MC34063A --: Versatile adjustable switching regulator IC in DIP-8 that can be configured for the same buck topology and output voltage range.
  • LT1076CT --: Robust 2A step-down switching regulator in a TO-220 package offering comparable input voltage range and current handling for similar power designs.
  • LT1073CN8 --: Adjustable step-down/inverting switching regulator in 8-pin DIP with comparable input voltage range and current capability, a common cross for MAX758 designs.
  • MC34063AP --: Widely available adjustable DC-DC converter in 8-pin DIP that can be configured for step-down operation, a low-cost functional substitute for the MAX758A.
  • LM2594N-ADJ --: Adjustable step-down regulator in 8-pin DIP with similar switching topology and current rating, suitable as a drop-in style replacement with minor external component changes.

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