Description
CSC7221 Off-Line PWM Switching Power Converter | High-Efficiency Integrated Switch Controller for Power Supply Circuits
⚡ CSC7221 is a high-performance off-line PWM (Pulse Width Modulation) switching power converter IC, specially designed for AC-DC converter circuits and Switch Mode Power Supplies (SMPS).
This IC integrates all essential functions needed for efficient, compact, and reliable power supply design. It helps engineers and technicians create low-cost yet stable power systems for LED TVs, chargers, adapters, and more.
🌟 Key Features & Benefits:
✅ High Efficiency:
Reduces power loss with precision PWM control, ensuring energy-saving performance.
✅ Built-in Oscillator:
Stable frequency operation for smooth and noise-free switching.
✅ Wide Operating Voltage Range:
Can handle a broad input voltage range, ideal for off-line power supply designs.
✅ Integrated Protection Circuit:
Includes over-voltage, over-current, and thermal shutdown protections for durability and safety.
✅ Low Standby Power Consumption:
Perfect for eco-friendly and low-power devices.
✅ Compact & Easy to Use:
Ideal for integrating into SMPS, LED drivers, adapters, and other consumer electronics.
✅ Cost-Effective Solution:
Reduces external components, minimizing the overall circuit cost and size.
⚙️ Technical Specifications:
| Parameter | Description |
|---|---|
| Model No. | CSC7221 |
| Type | PWM Switching Power Converter |
| Function | Off-line AC-DC Power Conversion |
| Input Voltage | 85V – 265V AC (Typical Range) |
| Output Control | PWM Control Mode |
| Frequency | Fixed internal oscillator (typically 65kHz) |
| Output Power | Up to 30W (depends on circuit design) |
| Built-in Protections | Overload, Over-voltage, Over-current, Thermal shutdown |
| Operating Temperature | -25°C to +125°C |
| Package Type | DIP-8 / SOP-8 |
| Applications | SMPS, Adapters, Chargers, LED Drivers, Set-Top Boxes, LED TVs |
⚡ Applications:
💡 CSC7221 is suitable for a wide range of switching power supply applications, including:
- 🔌 LED TV Power Supply Units
- 🔋 Mobile and Laptop Adapters
- 💡 LED Drivers and Light Power Circuits
- 📺 DVD Players and Set-Top Boxes
- 🧰 General AC-DC Power Supply Projects
- ⚙️ Industrial Control Power Boards
🛠️ Why Choose CSC7221?
🌟 Trusted performance for technicians and engineers
🌟 Long life span and excellent thermal stability
🌟 Compact size with simplified circuit design
🌟 Ideal for both repair and new SMPS design projects
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