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MC33065P from MOTOROLA

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MC33065P

Manufacturer: MOTOROLA, MOTO

High Performance Dual Channel Current Mode Controller

Partnumber Manufacturer Quantity Availability
MC33065P MOTOROLA, MOTO 29 In Stock

Description and Introduction

High Performance Dual Channel Current Mode Controller The MC33065P is a high-performance, fixed-frequency current-mode PWM controller manufactured by Motorola (MOTO).  

### **Specifications:**  
- **Input Voltage Range:** 8V to 18V  
- **Operating Frequency:** Up to 500 kHz  
- **Output Drive Current:** ±1.5A (peak)  
- **Duty Cycle Range:** 0% to 100%  
- **Current Sense Threshold:** 1.0V  
- **Error Amplifier Bandwidth:** 1 MHz  
- **Soft-Start Capability:** Yes  
- **Undervoltage Lockout (UVLO):** 8V (on) / 7.5V (off)  
- **Package:** 16-pin DIP (Dual In-line Package)  

### **Descriptions and Features:**  
- **Current-Mode Control:** Provides improved noise immunity and simplified loop compensation.  
- **Precision Reference:** 5.1V ±1% bandgap reference for stable regulation.  
- **Programmable Oscillator:** Allows frequency adjustment with external components.  
- **Soft-Start Function:** Reduces inrush current during startup.  
- **Pulse-by-Pulse Current Limiting:** Enhances system protection.  
- **Synchronous Capability:** Supports external synchronization.  
- **Low Standby Current:** Optimized for efficiency.  
- **Wide Operating Temperature Range:** Suitable for industrial applications.  

The MC33065P is commonly used in switch-mode power supplies (SMPS), DC-DC converters, and motor control applications.

Application Scenarios & Design Considerations

High Performance Dual Channel Current Mode Controller

Alternative Part Number

  • SG3525AN --: Industry-standard dual PWM controller with same 16-pin DIP pinout and similar drive/output architecture; widely available and well documented as a functional substitute.
  • TL494CN --: Very common dual-output PWM controller in DIP-16, electrically similar in function and often used where MC33065-class controllers are specified; broad availability.
  • UC3525AN --: Dual PWM controller in DIP-16 with comparable oscillator, reference and output driver features, suitable as a cross-reference for the MC33065P.

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