Description
SY8288CRAC is a high performance buck converter integrating both the high‑side and low‑side MOSFETs to simplify external component count. It is intended for applications where converting a higher DC input down to a regulated lower output is required (e.g. in power supply modules of motherboards, graphics, etc.).
Key Specifications & Features
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Input voltage range: The device supports input voltages typically from about 4 V up to ~23 V.
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Output voltage: The output is adjustable in a range starting from approximately 0.6 V upwards, via external resistor division.
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Current capability: The IC is designed to drive moderate loads (several amps depending on thermal and external component design).
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Switching architecture: It uses instant PWM (fast response) control, offering good transient performance.
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Switching frequency: Operates in the ballpark of ~600 kHz in typical mode, reducing external inductor/capacitor size.
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Internal MOSFETs: Integrated switches with low R_DS(on) (for both high and low side) help reduce conduction losses.
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Soft-start: Built-in soft-start (~1.3 ms) to limit inrush current when powering up.
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Operating modes: Supports PWM / PFM switching modes (for efficiency at light loads).
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Protection features:
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Over-current / current limit
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Short-circuit protection (hiccup mode)
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Over-voltage protection
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Thermal shutdown / recovery
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Input under-voltage lockout
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Additional features:
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Power‑good indicator (PG)
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Output discharge (to help pull down output when turned off)
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Package: Comes in a QFN‑20 package (compact footprint).
No Return / No Exchange Policy / No Warranty.
Please check the model number and match it with your Product.
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