OB2223AP Current Mode PWM Controller IC
The OB2223AP Current Mode PWM Controller IC is a highly efficient and reliable solution for switch-mode power supply (SMPS) applications. Designed for low standby power consumption and high performance, this IC is widely used in adapters, chargers, LED drivers, and power management circuits.
For Bangladeshi electronics students, engineers, and hobbyists, the OB2223AP is a popular choice due to its cost-effectiveness, easy availability, and stable performance in real-world circuits.
This controller operates in current mode control, ensuring better line regulation, fast transient response, and improved overall efficiency compared to voltage-mode controllers.
Whether you're building a power supply from scratch or repairing an SMPS circuit, the OB2223AP offers robust protection features including over-voltage protection (OVP), over-current protection (OCP), and thermal shutdown.
Features:
- Current Mode PWM Control for stable performance
- Low startup current & low standby power consumption
- Built-in protections: OVP, OCP, OTP
- High efficiency switching design
- Suitable for SMPS, adapters, chargers
- Easy integration in power circuits
- Cost-effective solution for students & engineers
Specifications:
| Parameter | Details |
|---|---|
| IC Type | Current Mode PWM Controller |
| Model | OB2223AP |
| Package | DIP-8 / SOP-8 (variant dependent) |
| Operating Voltage | Typically 10V – 30V |
| Startup Current | Low |
| Switching Frequency | Fixed (varies by design) |
| Protection Features | OVP, OCP, OTP |
| Application | SMPS, Power Supply, Charger |
| Efficiency | High |
Applications:
- Switch Mode Power Supply (SMPS)
- Mobile & Laptop Chargers
- LED Drivers
- AC-DC Power Adapters
- DIY Electronics Projects
- Power Repairing Work
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