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TOP233P from POWER

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TOP233P

Manufacturer: POWER

TOPSwitch-FX Family Design Flexible, EcoSmart?, Integrated Off-line Switcher

Partnumber Manufacturer Quantity Availability
TOP233P POWER 988 In Stock

Description and Introduction

TOPSwitch-FX Family Design Flexible, EcoSmart?, Integrated Off-line Switcher The TOP233P is a member of the TOPSwitch-GX family of integrated switching power supply ICs, manufactured by Power Integrations.  

### **Specifications:**  
- **Input Voltage Range:** 85–265 VAC (universal input)  
- **Output Power:** Up to 29 W (depending on design and conditions)  
- **Switching Frequency:** 132 kHz  
- **Efficiency:** Up to 90% (depending on design)  
- **Operating Temperature Range:** -40°C to +150°C  
- **Package:** TO-220-7C (through-hole)  

### **Descriptions:**  
The TOP233P integrates a high-voltage MOSFET, PWM controller, and protection features into a single IC. It is designed for offline power supplies and supports flyback, forward, and buck-boost topologies.  

### **Features:**  
- **Integrated MOSFET:** 700 V, 2.5 A (typical)  
- **Frequency Jittering:** Reduces EMI  
- **Auto-Restart Protection:** For overcurrent, overtemperature, and output short-circuit conditions  
- **Adjustable Current Limit:** Enhances efficiency and power handling  
- **Soft-Start:** Reduces inrush current  
- **Line Under-Voltage (UV) Detection:** Prevents operation at unsafe input levels  
- **Over-Voltage (OV) Protection:** Safeguards against excessive output voltage  

This device is commonly used in AC-DC converters for applications like adapters, industrial power supplies, and consumer electronics.  

(Source: Power Integrations datasheet and product documentation.)

Application Scenarios & Design Considerations

TOPSwitch-FX Family Design Flexible, EcoSmart?, Integrated Off-line Switcher

Alternative Part Number

  • LNK364PN --: Same manufacturer's LinkSwitch family, pin-compatible DIP-8 offline switcher with integrated MOSFET, suitable for low-power designs similar to TOPSwitch.
  • VIPER22A --: Widely used offline PWM switcher with integrated high-voltage MOSFET in DIP-8, commonly used as a TOPSwitch replacement in low-power supplies.
  • NCP1014AP065G --: Self-supplied monolithic offline switcher with integrated MOSFET in DIP-8, a common alternative for low-power TOPSwitch applications.

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