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MC33063AD from ON,ON Semiconductor

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MC33063AD

Manufacturer: ON

Product information

Partnumber Manufacturer Quantity Availability
MC33063AD ON 93 In Stock

Description and Introduction

Product information The MC33063AD is a monolithic control circuit manufactured by ON Semiconductor. It contains the primary functions required for DC-DC voltage converters.  

### **Specifications:**  
- **Input Voltage Range:** 3V to 40V  
- **Output Switch Current:** 1.5A (peak)  
- **Frequency Range:** Up to 100kHz  
- **Operating Temperature Range:** -40°C to +85°C  
- **Duty Cycle Adjustable:** Up to 100%  
- **Low Standby Current:** 2.5mA (typical)  
- **Package:** SOIC-8  

### **Descriptions:**  
The MC33063AD is designed for step-up, step-down, and voltage-inverting applications with minimal external components. It includes an internal temperature-compensated reference, comparator, controlled duty-cycle oscillator, driver, and high-current output switch.  

### **Features:**  
- **Step-Up, Step-Down, and Inverting Capability**  
- **Short-Circuit Current Limiting**  
- **Low Quiescent Current**  
- **Precision Internal Reference (2%)**  
- **Adjustable Output Voltage**  
- **Efficiency Optimized for Battery-Powered Systems**  

This IC is commonly used in power supply designs for consumer electronics, automotive systems, and industrial applications.

Application Scenarios & Design Considerations

Product information

Alternative Part Number

  • LM2596S-ADJ --: Widely used adjustable step-down switching regulator with similar buck-converter function and higher current capability; common drop-in style alternative for MC33063 designs.
  • MC34063A --: Direct functional equivalent of the MC33063 series DC-DC converter with the same pinout and operating principle, available from a different manufacturer.
  • LM2576-ADJ --: Simple switcher adjustable buck regulator offering similar voltage conversion role with integrated switch and easy design-in as a replacement.

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