Description
SY8288RAC – High-Current Synchronous Buck Regulator from Silergy
The SY8288RAC is a synchronous step-down DC-DC converter designed to deliver up to 8 A output current. It supports a wide input voltage range from 4 V to 23 V and provides a low minimum output voltage of 0.6 V. This makes it suitable for various power rails in notebook, embedded, and industrial systems.
The device features high efficiency through synchronous rectification, along with fast transient response control. It includes protection features such as overcurrent protection (OCP), overvoltage protection (OVP) with latch‑off behavior, and thermal shutdown. The converter also offers a Power-Good (PG) indicator and auto-discharge function for orderly shut-down. Its compact package is QFN 3×3 mm, 20-pin.
Silergy notes that while the part is still in production, it is not recommended for new designs, indicating it may be approaching end-of-life.
🔍 Key Specifications & Features
| Parameter | Value |
|---|---|
| Input Voltage Range | 4 V to 23 V |
| Output Voltage (minimum) | 0.6 V |
| Maximum Output Current | 8 A |
| Reference Accuracy | ±1 % |
| Switching Frequency | 0.5 MHz |
| Quiescent Current | ~105 µA |
| Protection Mode | Latch-off on overvoltage / overcurrent |
| Package | QFN 3×3 mm, 20-pin |
| Special Functions | Power-Good indicator, auto‑discharge |
⚙ Application Notes & Use Cases
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Designed for use in point-of-load (POL) regulation in notebooks, motherboards, or embedded boards
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Suited for power rails requiring high current and tight regulation
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Useful where compact footprint and efficient design are critical
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Because the part is not recommended for new designs, use caution for future supply or replacing in long-life products
No Return / No Exchange Policy / No Warranty.
Please check the model number and match it with your Product.
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