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MC33340 from MOTOROLA

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MC33340

Manufacturer: MOTOROLA

Battery Fast Charge Controller

Partnumber Manufacturer Quantity Availability
MC33340 MOTOROLA 1000 In Stock

Description and Introduction

Battery Fast Charge Controller The MC33340 is a monolithic integrated circuit manufactured by Motorola, designed for use in power supply applications. Below are its specifications, descriptions, and features:

### **Specifications:**  
- **Input Voltage Range:** 8V to 18V (operational)  
- **Standby Current:** Typically 1.5mA  
- **Switching Frequency:** Adjustable up to 500kHz  
- **Output Current Capability:** Up to 1.5A (peak)  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package Type:** 8-pin DIP or SOIC  

### **Descriptions:**  
The MC33340 is a high-performance, low-power switching regulator IC designed for DC-DC converter applications. It integrates a PWM controller, voltage reference, and power switch, making it suitable for step-down (buck) and flyback topologies. It includes protection features such as overcurrent and thermal shutdown.

### **Features:**  
- **Integrated Power Switch:** Reduces external component count.  
- **Adjustable Output Voltage:** Via external resistors.  
- **Soft-Start Function:** Minimizes inrush current.  
- **Undervoltage Lockout (UVLO):** Ensures proper operation under low input voltage.  
- **Current Limiting:** Protects against overloads.  
- **Thermal Shutdown:** Prevents overheating.  

This information is based on Motorola's official documentation for the MC33340.

Application Scenarios & Design Considerations

Battery Fast Charge Controller

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