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MC34163P from MOT,Motorola

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MC34163P

Manufacturer: MOT

Power Switching Regulator

Partnumber Manufacturer Quantity Availability
MC34163P MOT 475 In Stock

Description and Introduction

Power Switching Regulator The MC34163P is a monolithic control circuit manufactured by Motorola (now ON Semiconductor). It is designed for DC-DC converter applications and provides the necessary functions for step-up, step-down, and voltage-inverting configurations.  

### **Manufacturer:**  
- **MOT (Motorola)** – Now part of ON Semiconductor.  

### **Specifications:**  
- **Input Voltage Range:** 3V to 40V  
- **Output Switching Current:** Up to 3A (peak)  
- **Operating Frequency:** Adjustable up to 100kHz  
- **Duty Cycle:** Up to 100%  
- **Internal Reference Voltage:** 1.25V (typical)  
- **Low Standby Current:** 2.5mA (typical)  
- **Package Type:** DIP-8 (Plastic Dual In-Line Package)  

### **Descriptions & Features:**  
- **Monolithic DC-DC Converter Control Circuit** – Suitable for step-up, step-down, and inverting applications.  
- **Internal Temperature Compensation** – Ensures stable operation across temperature variations.  
- **Current Limiting & Short-Circuit Protection** – Enhances system reliability.  
- **Adjustable Output Voltage** – Via external resistors.  
- **High Efficiency** – Optimized for power conversion applications.  
- **Wide Input Voltage Range** – Supports various power supply configurations.  

This IC is commonly used in power supplies, battery chargers, and voltage regulation circuits.

Application Scenarios & Design Considerations

Power Switching Regulator

Alternative Part Number

  • LM2576T-ADJ --: Widely available adjustable step-down switching regulator in a TO-220 package, functionally similar to the MC34163P buck converter and easy to source.
  • LM2596T-ADJ --: Adjustable buck regulator with higher 3A current capability and TO-220 package, a common drop-in style replacement for MC34163P designs.
  • MC34063AP --: Classic general-purpose DC-DC converter IC in DIP-8, same MC34063 family lineage as the MC34163P and suitable for similar step-down/inverting applications.

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