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MC33023DWR2 from ON Semiconductor

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MC33023DWR2

Manufacturer: ON Semiconductor

HI-SPD PWM Controller

Partnumber Manufacturer Quantity Availability
MC33023DWR2 ON Semiconductor 9470 In Stock

Description and Introduction

HI-SPD PWM Controller The **MC33023DWR2** is a high-performance PWM controller manufactured by **ON Semiconductor**.  

### **Specifications:**  
- **Type**: PWM Controller  
- **Topology**: Supports flyback, forward, push-pull, and half-bridge configurations  
- **Operating Voltage Range**: 8V to 40V  
- **Output Drive Current**: 200mA (source/sink)  
- **Switching Frequency**: Up to 500kHz  
- **Duty Cycle Range**: 0% to 100%  
- **Error Amplifier Bandwidth**: 1MHz  
- **Soft-Start Capability**: Yes  
- **Undervoltage Lockout (UVLO)**: Yes  
- **Package**: SOIC-16 (DWR2)  

### **Descriptions:**  
The MC33023DWR2 is a versatile pulse-width modulation (PWM) controller designed for DC-DC converter and power supply applications. It features high-speed switching, precise duty cycle control, and protection mechanisms such as undervoltage lockout (UVLO) and soft-start functionality.  

### **Features:**  
- **High-Speed PWM Control**  
- **Adjustable Dead-Time Control**  
- **Precision Reference Voltage (5V ±1%)**  
- **Error Amplifier for Feedback Control**  
- **Current-Limiting Capability**  
- **Thermal Shutdown Protection**  
- **Low Standby Current**  

This IC is commonly used in switch-mode power supplies (SMPS), motor control systems, and other power management applications.  

For detailed electrical characteristics and application notes, refer to the official **ON Semiconductor datasheet**.

Application Scenarios & Design Considerations

HI-SPD PWM Controller

Alternative Part Number

  • UC3843BD1R2G --: Current-mode PWM controller in the UC384x family with similar control architecture and drive capability, widely used as a functional substitute in switching power supply designs.
  • SG3525ADWR2G --: Voltage-mode PWM controller offering comparable oscillator, reference, and output driver functions, suitable for similar power conversion applications.
  • TL494CDR2G --: General-purpose PWM control IC with dual outputs and adjustable dead time, commonly used as a cross-reference for PWM controller designs when exact matching is not critical.

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