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MC33340P

Manufacturer: ON, MOT

Battery Fast Charge Controller

Partnumber Manufacturer Quantity Availability
MC33340P ON, MOT 4979 In Stock

Description and Introduction

Battery Fast Charge Controller The MC33340P is a monolithic integrated circuit designed for use in switching power supply applications. Here are the key specifications, descriptions, and features from Ic-phoenix technical data files:

### **Manufacturer:**  
- **ON Semiconductor**  

### **Description:**  
- The MC33340P is a high-voltage switching regulator controller optimized for offline and DC-to-DC converter applications.  
- It includes a high-voltage startup regulator, oscillator, error amplifier, and PWM comparator.  

### **Features:**  
1. **High-Voltage Startup Circuit** – Integrated high-voltage regulator for direct connection to a rectified AC line (up to 30V).  
2. **Pulse-Width Modulation (PWM) Control** – Fixed-frequency current-mode PWM control for stable operation.  
3. **Precision Reference Voltage** – Internal 5.0V ±1% bandgap reference.  
4. **Programmable Oscillator** – Adjustable switching frequency via external timing components.  
5. **Current Sensing & Limiting** – Built-in cycle-by-cycle current limiting for overload protection.  
6. **Undervoltage Lockout (UVLO)** – Ensures proper operation under low input voltage conditions.  
7. **Soft-Start Capability** – Reduces inrush current during startup.  
8. **Low Operating Current** – Typically 2.0mA for improved efficiency.  

### **Key Specifications:**  
- **Input Voltage Range (Startup):** Up to 30V  
- **Operating Frequency Range:** Adjustable via external components (typically up to 500kHz)  
- **Output Duty Cycle:** Up to 95%  
- **Reference Voltage:** 5.0V ±1%  
- **Package Type:** 8-Pin DIP (Dual Inline Package)  

This information is strictly based on the manufacturer's datasheet and technical documentation.

Application Scenarios & Design Considerations

Battery Fast Charge Controller

Alternative Part Number

  • BQ2002CP --: Fast-charge battery controller IC in a DIP-8 package with similar charge-termination features, widely available and pin-compatible in function.
  • MAX712CPE --: Nickel battery fast-charge controller in a DIP package offering comparable charge control and termination functions.
  • UC3906N --: Sealed lead-acid battery charge controller in a DIP package with similar charge regulation and termination capability.

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