L4981AD Power Factor Corrector Loveminer A1 PSU Repair
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L4981AD Power Factor Corrector for A1 PSU Repair
Upgrade and repair your Loveminer A1 power supply with the L4981AD Power Factor Corrector. Designed specifically for Aisen A1 PSUs, this IC offers advanced power factor correction capabilities. With options for fixed frequency (L4981A) or modulated frequency (L4981B) operation, it optimizes the size of the input filter.
Replace Faulty Lovecore A1 Power Supply Parts
The L4981AD includes essential functions such as a power MOSFET gate driver, voltage reference, error amplifier, undervoltage lockout, current sensing, and soft-start. Ensure improved efficiency, reduced line current distortion, and reliable performance with the L4981AD Power Factor Corrector.
L4981AD Power Factor Corrector Features:
| Feature | Description |
|---|---|
| Power Factor Corrector Type | L4981A / L4981B |
| Power Factor Control | Up to 0.99 P.F. |
| Line Current Distortion | <5% |
| Input Mains Regulation | Universal |
| Average Current Mode PWM | Minimum noise sensitivity |
| Output Type | High current bipolar and DMOS TO-TEM pole |
| Start-Up Current | 0.3mA (typical) |
| Undervoltage Lockout | With hysteresis and programmable turn-on threshold |
| Protection | Overvoltage, overcurrent |
| On-Chip Reference Accuracy | 2% (externally provided) |
| Soft Start | Included |
Shipping & Customs
🇺🇸🇪🇺 USA & European Union (DDP):
Orders are delivered DDP (Delivered Duty Paid). All customs duties, import taxes, and fees are included — no additional charges on delivery.
🌍 Rest of world:
Orders ship from China. Depending on your country, local customs authorities may apply import duties or taxes. Any such fees are set by your local authorities and are not included in the product price.
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