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TOP234P from PI

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TOP234P

Manufacturer: PI

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

Partnumber Manufacturer Quantity Availability
TOP234P PI 51 In Stock

Description and Introduction

TOPSwitch-FX Family Design Flexible, EcoSmart?, Integrated Off-line Switcher The TOP234P is a member of the TOPSwitch-GX family of integrated switching power supply ICs manufactured by Power Integrations (PI).  

### **Specifications:**  
- **Input Voltage Range:** 85V AC to 265V AC  
- **Output Power:** Up to 29W (depending on configuration)  
- **Switching Frequency:** 132 kHz  
- **Maximum Drain-Source Voltage (V_DS):** 700V  
- **Maximum Drain Current (I_D):** 1.5A  
- **Operating Temperature Range:** -40°C to +150°C  
- **Package:** TO-220-7C (Through-hole)  

### **Descriptions:**  
The TOP234P is a highly integrated offline switcher IC that combines a high-voltage MOSFET, PWM controller, and protection circuits into a single package. It is designed for use in flyback, forward, and buck-boost converters for applications such as AC-DC power supplies, battery chargers, and LED drivers.  

### **Features:**  
- **Integrated High-Voltage MOSFET:** Reduces external component count.  
- **Frequency Jittering:** Minimizes EMI emissions.  
- **Auto-Restart Protection:** Includes over-temperature, over-voltage, and over-current protection.  
- **Soft-Start:** Reduces inrush current.  
- **Line Under-Voltage Lockout (UVLO):** Ensures stable operation under low input voltage conditions.  
- **EcoSmart® Technology:** Enhances energy efficiency for compliance with global energy standards.  

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

Application Scenarios & Design Considerations

TOPSwitch-FX Family Design Flexible, EcoSmart?, Integrated Off-line Switcher
Partnumber Manufacturer Quantity Availability
TOP234P POWER 1900 In Stock

Description and Introduction

TOPSwitch-FX Family Design Flexible, EcoSmart?, Integrated Off-line Switcher The TOP234P is a member of the TOPSwitch-GX family of integrated power switches manufactured by Power Integrations.  

### **Specifications:**  
- **Input Voltage Range:** 85–265 VAC (universal input)  
- **Output Power:** Up to 29 W (open-frame)  
- **Switching Frequency:** 132 kHz  
- **Max Duty Cycle:** 78%  
- **Operating Temperature Range:** -40°C to +150°C  
- **Package:** TO-220-7C (with isolated tab)  

### **Descriptions:**  
- Integrates a high-voltage MOSFET, PWM controller, and protection features in a single IC.  
- Designed for offline power supplies (AC-DC conversion).  
- Supports flyback, forward, and buck-boost topologies.  

### **Features:**  
- **EcoSmart® Technology:** Reduces standby power consumption.  
- **Auto-Restart Protection:** For over-temperature, over-voltage, and output short-circuit conditions.  
- **Frequency Jittering:** Reduces EMI filtering requirements.  
- **Soft-Start:** Minimizes startup stresses.  
- **Line Under-Voltage Lockout (UVLO):** Ensures stable operation.  

For detailed datasheets, refer to Power Integrations' official documentation.

Application Scenarios & Design Considerations

TOPSwitch-FX Family Design Flexible, EcoSmart?, Integrated Off-line Switcher
Partnumber Manufacturer Quantity Availability
TOP234P MICREL 52 In Stock

Description and Introduction

TOPSwitch-FX Family Design Flexible, EcoSmart?, Integrated Off-line Switcher The TOP234P is a power switching regulator IC manufactured by Power Integrations, not MICREL.  

### **Specifications:**  
- **Input Voltage Range:** 85V to 265V AC  
- **Output Power:** Up to 15W (depending on design)  
- **Switching Frequency:** 132 kHz  
- **Operating Temperature Range:** -40°C to +150°C  
- **Package:** TO-220-7C (Through-hole)  
- **Integrated Features:** High-voltage MOSFET, PWM controller, thermal shutdown, and auto-restart protection  

### **Descriptions and Features:**  
- Designed for offline power supplies (AC-DC conversion).  
- Uses EcoSmart® technology for energy efficiency.  
- Includes cycle-by-cycle current limiting and frequency jittering for reduced EMI.  
- Auto-restart protection for overload, open-loop, and short-circuit conditions.  
- Requires minimal external components for simplified design.  

Note: MICREL does not manufacture the TOP234P; it is a Power Integrations product.

Application Scenarios & Design Considerations

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

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