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MC34063ADRG from ON,ON Semiconductor

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MC34063ADRG

Manufacturer: ON

DC-TO-DC Converter Control Circuits

Partnumber Manufacturer Quantity Availability
MC34063ADRG ON 79 In Stock

Description and Introduction

DC-TO-DC Converter Control Circuits The MC34063ADRG is a monolithic control circuit from ON Semiconductor that incorporates the primary functions required for DC-DC converters.  

### **Specifications:**  
- **Input Voltage Range:** 3V to 40V  
- **Output Voltage Adjustable:** 1.25V to 40V  
- **Output Switch Current:** Up to 1.5A  
- **Frequency Operation:** Up to 100kHz  
- **Duty Cycle Adjustable:** Up to 100%  
- **Low Standby Current:** Typically 2.5mA  
- **Package:** SOIC-8 (Dual-In-Line)  
- **Operating Temperature Range:** -40°C to +85°C  

### **Descriptions:**  
The MC34063ADRG is a DC-DC converter IC that can be configured as a buck, boost, or inverting regulator. It includes an internal temperature-compensated reference, comparator, oscillator, driver, and high-current output switch.  

### **Features:**  
- **Step-Up (Boost), Step-Down (Buck), and Voltage-Inverting Capability**  
- **Short-Circuit Current Limiting**  
- **Low Quiescent Current**  
- **Internal Frequency Compensation**  
- **Adjustable Output Voltage**  
- **Wide Input Voltage Range**  

This IC is commonly used in power supply applications, battery chargers, and voltage conversion circuits.

Application Scenarios & Design Considerations

DC-TO-DC Converter Control Circuits

Alternative Part Number

  • LM2576-5.0 --: Widely used step-down switching regulator with integrated switch, often used as a higher-current upgrade path when MC34063 designs need more output current.
  • MC33063ADR2G --: Same functional family from the same manufacturer with nearly identical electrical characteristics, pin-compatible SOIC package, and direct drop-in behavior.
  • XL1509-5.0 --: Low-cost pin-compatible step-down converter in SOIC-8, commonly used as a practical substitute in MC34063-based power supply circuits.

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