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MC34163DW from MOT,Motorola

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MC34163DW

Manufacturer: MOT

POWER SWITCHING REGULATORS

Partnumber Manufacturer Quantity Availability
MC34163DW MOT 79 In Stock

Description and Introduction

POWER SWITCHING REGULATORS The MC34163DW is a monolithic control circuit manufactured by Motorola (MOT). It is designed for DC-DC converter applications and provides the necessary functions to implement step-up (boost), step-down (buck), and voltage-inverting converters with minimal external components.  

### **Specifications:**  
- **Input Voltage Range:** 3.0V to 40V  
- **Output Switch Current:** Up to 3.0A  
- **Operating Frequency:** Up to 100kHz  
- **Duty Cycle:** Adjustable up to 100%  
- **Internal Reference Voltage:** 1.25V ±2%  
- **Quiescent Current:** 2.5mA (typical)  
- **Temperature Range:** -40°C to +85°C  
- **Package:** SOIC-16 (DW suffix)  

### **Features:**  
- **Wide Input Voltage Range:** Supports 3V to 40V operation.  
- **High Output Current Capability:** Up to 3A peak switch current.  
- **Adjustable Output Voltage:** Configurable via external resistors.  
- **Internal Oscillator:** Eliminates the need for an external timing capacitor.  
- **Short-Circuit Protection:** Includes cycle-by-cycle current limiting.  
- **Thermal Shutdown:** Protects the device from overheating.  
- **Low Standby Current:** Enhances efficiency in power-saving applications.  

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

Application Scenarios & Design Considerations

POWER SWITCHING REGULATORS

Alternative Part Number

  • LM2576-ADJ --: Widely available adjustable buck regulator with similar switching function and current capability, easy drop-in for many MC34163DW designs.
  • LM2596-ADJ --: Higher-frequency adjustable buck converter with better efficiency and smaller external components, commonly used as a modern replacement.
  • MC33063A --: Classic inverting/step-down/step-up switching regulator from the same MC33063 family lineage, pin-compatible in many applications.

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