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MC33163DW from MOTOROLA

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MC33163DW

Manufacturer: MOTOROLA

POWER SWITCHING REGULATORS

Partnumber Manufacturer Quantity Availability
MC33163DW MOTOROLA 72 In Stock

Description and Introduction

POWER SWITCHING REGULATORS The MC33163DW is a monolithic control circuit manufactured by Motorola, designed for DC-DC converter applications.  

### **Specifications:**  
- **Input Voltage Range:** 3.0V to 40V  
- **Output Switch Current:** Up to 3.0A  
- **Frequency Range:** Adjustable up to 100kHz  
- **Duty Cycle Range:** Up to 100%  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** SOIC-16 (DW suffix)  

### **Descriptions & Features:**  
- **Wide Input Voltage Range:** Supports 3.0V to 40V, making it suitable for various power supply designs.  
- **High Efficiency:** Includes a boost, buck, or voltage-inverting topology capability.  
- **Adjustable Frequency:** Allows optimization for efficiency and component size.  
- **Current Limiting:** Built-in protection against excessive output current.  
- **Thermal Shutdown:** Prevents damage from overheating.  
- **Low Standby Current:** Enhances power efficiency in standby mode.  
- **Soft-Start Function:** Reduces inrush current during startup.  

The MC33163DW is commonly used in DC-DC converters, power supplies, and battery chargers.

Application Scenarios & Design Considerations

POWER SWITCHING REGULATORS

Alternative Part Number

  • LM2576-5.0 --: Widely available step-down switching regulator in the same power class; simple to source and well documented as a functional substitute in many MC33163 applications.
  • MC34063A --: Classic general-purpose DC-DC switching regulator from the same Motorola lineage (now ON Semi), offering comparable buck/boost/inverting capability with broad availability.
  • LT1076 --: Robust step-down switching regulator with similar input voltage and current ratings, suitable as a higher-performance drop-in style alternative where layout allows.

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