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MC34025DWR2G from ON,ON Semiconductor

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MC34025DWR2G

Manufacturer: ON

High Speed Double−Ended PWM Controller

Partnumber Manufacturer Quantity Availability
MC34025DWR2G ON 10092 In Stock

Description and Introduction

High Speed Double−Ended PWM Controller The MC34025DWR2G is a high-performance PWM controller manufactured by ON Semiconductor.  

### **Specifications:**  
- **Manufacturer:** ON Semiconductor  
- **Type:** PWM Controller  
- **Topology:** Push-Pull, Half-Bridge, Full-Bridge  
- **Output Type:** Dual, Complementary  
- **Frequency Range:** Up to 200 kHz  
- **Supply Voltage (VCC):** 10V to 20V  
- **Output Current (Source/Sink):** 200mA / 400mA  
- **Duty Cycle Range:** 0% to 100%  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** SOIC-16 (DWR)  

### **Descriptions:**  
The MC34025DWR2G is a pulse-width modulation (PWM) controller designed for high-efficiency power supply applications. It features dual outputs with programmable dead-time control, making it suitable for push-pull, half-bridge, and full-bridge converter topologies. The device includes an on-board oscillator, error amplifier, and soft-start functionality for improved system reliability.  

### **Features:**  
- **Programmable Dead-Time Control** – Adjustable delay between complementary outputs.  
- **Soft-Start Capability** – Reduces inrush current during startup.  
- **Error Amplifier** – Provides precise voltage regulation.  
- **Under-Voltage Lockout (UVLO)** – Ensures proper operation within supply voltage limits.  
- **Current-Limiting Protection** – Enhances system safety.  
- **Wide Operating Temperature Range** – Suitable for industrial applications.  
- **SOIC-16 Package** – Compact and surface-mountable.  

This information is based solely on the provided knowledge base.

Application Scenarios & Design Considerations

High Speed Double−Ended PWM Controller

Alternative Part Number

  • UC3845BD1R2G --: Current-mode PWM controller in the same family with similar control functions; widely available and pin-compatible in many designs, though verify oscillator and UVLO thresholds.
  • SG3525ADWR2G --: Voltage-mode PWM controller with similar drive capability and package options; a common substitute for SMPS control applications when design tolerates voltage-mode control.
  • TL494CDR2G --: General-purpose PWM controller with dual outputs and wide availability; suitable as a functional alternative for many power supply designs with minor circuit adjustments.
  • TL494CDR --: Industry-standard dual-output PWM controller with broad availability and similar control functions, suitable for many designs originally using the MC34025.

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