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MAX748ACPA from MAXIM,MAXIM - Dallas Semiconductor

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MAX748ACPA

Manufacturer: MAXIM

3.3V, Step-Down, Current-Mode PWM DC-DC Converters

Partnumber Manufacturer Quantity Availability
MAX748ACPA MAXIM 351 In Stock

Description and Introduction

3.3V, Step-Down, Current-Mode PWM DC-DC Converters The MAX748ACPA is a voltage regulator IC manufactured by Maxim Integrated (now part of Analog Devices). Below are the factual specifications, descriptions, and features from Ic-phoenix technical data files:  

### **Manufacturer:** MAXIM (now part of Analog Devices)  
### **Part Number:** MAX748ACPA  
### **Package:** 8-Pin PDIP (Plastic Dual In-Line Package)  

### **Description:**  
The MAX748ACPA is a step-down (buck) switching voltage regulator designed to provide efficient power conversion with an adjustable output voltage. It is suitable for applications requiring a regulated DC supply from a higher input voltage.  

### **Key Features:**  
- **Input Voltage Range:** 4V to 16V  
- **Adjustable Output Voltage:** 1.25V to 13V (set via external resistors)  
- **Output Current:** Up to 750mA  
- **Switching Frequency:** 100kHz (fixed)  
- **Efficiency:** Up to 90%  
- **Low Quiescent Current:** 1.7mA (typical)  
- **Internal N-Channel Power MOSFET Switch**  
- **Thermal Overload Protection**  
- **Current-Limiting Protection**  
- **Soft-Start Functionality**  

### **Applications:**  
- Battery-powered devices  
- Portable electronics  
- Industrial control systems  
- Automotive electronics  
- Distributed power systems  

This information is based solely on the manufacturer's datasheet and specifications.

Application Scenarios & Design Considerations

3.3V, Step-Down, Current-Mode PWM DC-DC Converters

Alternative Part Number

  • LTC1144CN8 --: Pin-compatible switched-capacitor voltage converter with similar inverting/step-down function and DIP-8 package; widely available second source.
  • ICL7660CPA --: Classic charge-pump voltage converter in DIP-8, functionally similar for inverting supply applications, though with lower output current capability.
  • TC7662ACPA --: Charge-pump voltage converter in DIP-8 offering comparable inverting/step-up operation and good availability as an alternative to the MAX748.
  • TC7660CPA --: Low-cost 8-pin DIP charge-pump inverter that is a common drop-in style substitute for MAX748-class converters in many low-current designs.

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