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TNY264

Enhanced, Energy Efficient, Low Power Off-line Switcher

Partnumber Manufacturer Quantity Availability
TNY264 50 In Stock

Description and Introduction

Enhanced, Energy Efficient, Low Power Off-line Switcher The TNY264 is a member of the TinySwitch-II family of integrated switching power supply ICs manufactured by Power Integrations. Below are the factual specifications, descriptions, and features:

### **Manufacturer Specifications:**
- **Input Voltage Range:** 85V AC to 265V AC (universal input)  
- **Output Power:** Up to 5W (depending on design)  
- **Switching Frequency:** 132 kHz  
- **Efficiency:** Up to 80% (depending on application)  
- **Maximum Duty Cycle:** 66%  
- **On-Resistance (MOSFET):** 28Ω (typical)  
- **Operating Temperature Range:** -40°C to +150°C  
- **Package Type:** DIP-8 (through-hole) or SMD-8 (surface mount)  

### **Descriptions:**
- The TNY264 is a low-power offline switcher IC designed for energy-efficient power supply applications.  
- It integrates a high-voltage power MOSFET, oscillator, high-voltage switched current source, and thermal shutdown circuitry.  
- It operates in a simple flyback or buck-boost topology without requiring a secondary-side feedback circuit.  

### **Features:**
- **Auto-Restart Protection:** Provides output short-circuit and open-loop fault protection.  
- **Line Under-Voltage Lockout (UVLO):** Ensures proper startup and shutdown behavior.  
- **Frequency Jittering:** Reduces EMI emissions.  
- **Thermal Shutdown:** Protects the IC from overheating.  
- **Burst Mode Operation:** Enhances efficiency at light loads.  
- **Low Component Count:** Simplifies design and reduces BOM cost.  

The TNY264 is commonly used in low-power AC-DC converters for applications such as chargers, standby power supplies, and auxiliary power modules.  

(Source: Power Integrations Datasheet for TNY264)

Application Scenarios & Design Considerations

Enhanced, Energy Efficient, Low Power Off-line Switcher

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