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MC33066P from ON,ON Semiconductor

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MC33066P

Manufacturer: ON, MOT

HIGH PERFORMANCE RESONANT MODE CONTROLLERS

Partnumber Manufacturer Quantity Availability
MC33066P ON, MOT 1099 In Stock

Description and Introduction

HIGH PERFORMANCE RESONANT MODE CONTROLLERS The MC33066P is a high-performance power supply controller manufactured by Motorola (now part of ON Semiconductor). Below are the factual details about its specifications, descriptions, and features:

### **Manufacturer:**  
- **MOT (Motorola Semiconductor, now ON Semiconductor)**  

### **Specifications:**  
- **Type:** Switch Mode Power Supply (SMPS) Controller  
- **Topology:** Supports flyback, forward, and push-pull configurations  
- **Operating Voltage Range:** 8V to 40V  
- **Output Drive Current:** 1A (peak)  
- **Switching Frequency:** Up to 500 kHz  
- **Duty Cycle Range:** 0% to 100%  
- **Soft-Start Function:** Built-in  
- **Undervoltage Lockout (UVLO):** Yes  
- **Current Limiting:** Programmable  
- **Error Amplifier:** Onboard  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** 16-pin DIP (Dual In-line Package)  

### **Descriptions:**  
- The MC33066P is a versatile PWM controller designed for high-efficiency power supply applications.  
- It integrates critical functions such as soft-start, undervoltage lockout, and current limiting for robust power management.  
- Suitable for offline and DC-DC converter applications.  

### **Features:**  
- **High-Current Totem Pole Output:** Optimized for driving power MOSFETs.  
- **Programmable Oscillator:** Allows flexible frequency adjustment.  
- **Precision Reference Voltage:** 5.1V ±1% for stable regulation.  
- **Error Amplifier with Compensation:** Ensures stable feedback control.  
- **Pulse-by-Pulse Current Limiting:** Enhances protection.  
- **Soft-Start Control:** Reduces inrush current during startup.  
- **Low Standby Power Consumption:** Improves efficiency in standby modes.  

This information is based solely on the manufacturer's datasheet and technical documentation.

Application Scenarios & Design Considerations

HIGH PERFORMANCE RESONANT MODE CONTROLLERS

Alternative Part Number

  • UC3842AN --: Industry-standard current-mode PWM controller in a DIP-8 package, widely used as a functional substitute for MC33066-type switching regulator controllers.
  • SG3524N --: Classic PWM switching regulator controller in DIP-16, commonly used as a cross-reference for Motorola/ON MC33066 series controllers.
  • TL494CN --: Versatile PWM control IC in DIP-16, frequently used as an alternative for MC33066 switching regulator applications.

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