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MC33163P from MOT,Motorola

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MC33163P

Manufacturer: MOT, MOTOROLA

3.4A, Step-Up/Down/Inverting Switching Regulator

Partnumber Manufacturer Quantity Availability
MC33163P MOT, MOTOROLA 1563 In Stock

Description and Introduction

3.4A, Step-Up/Down/Inverting Switching Regulator The MC33163P is a monolithic control circuit manufactured by Motorola, designed for DC-DC converter applications. Below are its specifications, descriptions, and features:  

### **Specifications:**  
- **Input Voltage Range:** 3.0V to 40V  
- **Output Voltage Range:** Adjustable (via external components)  
- **Output Switch Current:** Up to 3.0A  
- **Switching Frequency:** Up to 100kHz  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package Type:** 8-Pin DIP (Dual In-line Package)  

### **Descriptions:**  
- The MC33163P is a versatile switching regulator control circuit that can be configured for step-up (boost), step-down (buck), and voltage-inverting applications.  
- It includes an internal temperature-compensated reference, comparator, duty-cycle-controlled oscillator, driver, and high-current output switch.  
- The device is designed for efficiency in power conversion applications, including automotive, industrial, and consumer electronics.  

### **Features:**  
- **Wide Input Voltage Range:** Supports operation from 3.0V to 40V.  
- **High Output Current Capability:** Up to 3.0A peak switch current.  
- **Adjustable Output Voltage:** Configurable via external resistors.  
- **Internal Short-Circuit Protection:** Includes cycle-by-cycle current limiting.  
- **Low Standby Current:** Typically 4.0mA when inactive.  
- **Thermal Shutdown:** Protects the device from overheating.  
- **Versatile Configurations:** Supports buck, boost, and inverting topologies.  

This information is based on Motorola's official documentation for the MC33163P.

Application Scenarios & Design Considerations

3.4A, Step-Up/Down/Inverting Switching Regulator

Alternative Part Number

  • LM2576T-ADJ --: Widely available adjustable step-down switching regulator in TO-220, functionally similar to the MC33163 buck converter and easy to source.
  • LT1076CT --: Robust adjustable buck switching regulator in TO-220 with comparable input voltage and current capability, suitable as a drop-in style replacement.
  • MC34063AP --: Classic general-purpose DC-DC switching regulator in DIP-8, commonly used as a lower-cost substitute for older Motorola switching regulator designs.

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