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MC33341 from MOT,Motorola

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MC33341

Manufacturer: MOT, MOTOROLA

Power Supply Battery Charger Regulation Control Circuit

Partnumber Manufacturer Quantity Availability
MC33341 MOT, MOTOROLA 1048 In Stock

Description and Introduction

Power Supply Battery Charger Regulation Control Circuit The MC33341 is a high-voltage switching regulator controller manufactured by Motorola. Below are its key specifications, descriptions, and features:

### **Specifications:**  
- **Input Voltage Range:** Up to 40V  
- **Output Voltage:** Adjustable via external components  
- **Switching Frequency:** Adjustable (typically up to 100kHz)  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package Type:** 8-pin DIP (Dual In-line Package) or SOIC (Small Outline IC)  

### **Descriptions:**  
- Designed for **step-down (buck) switching regulator** applications.  
- Includes an **internal reference voltage** for precise regulation.  
- Features **current-mode control** for improved transient response and stability.  
- Suitable for **battery-powered systems, industrial controls, and automotive applications**.  

### **Features:**  
- **Undervoltage Lockout (UVLO):** Ensures proper operation under low input voltage conditions.  
- **Soft-Start Capability:** Reduces inrush current during startup.  
- **Current Limiting:** Protects the regulator and load from overcurrent conditions.  
- **Adjustable Duty Cycle:** Allows flexibility in output voltage regulation.  
- **Low Standby Current:** Enhances efficiency in power-saving modes.  

The MC33341 is optimized for **high-efficiency DC-DC conversion** in various power supply designs.

Application Scenarios & Design Considerations

Power Supply Battery Charger Regulation Control Circuit

Alternative Part Number

  • UC3842AN --: Industry-standard current-mode PWM controller in a DIP-8 package, widely available and commonly used as a substitute in power supply control applications similar to the MC33341.
  • SG3524N --: Classic PWM regulator/controller IC with comparable control functions, easy to source, and often used as a drop-in alternative in older power supply designs.
  • TL494CN --: Versatile fixed-frequency PWM control circuit with dual outputs, broad availability, and a long track record as a replacement for legacy Motorola PWM controller parts.

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