Description
The SY8286CRAC is designed for efficient power delivery in notebook and portable systems, combining a robust switching regulator with auxiliary features for system convenience and reliability.
Key Specifications & Capabilities
| Parameter | Value |
|---|---|
| Input voltage range (VIN) | 5.5 V to 23 V |
| Output current | Up to 6 A continuous |
| Output voltage accuracy | ±1.5 % |
| Switching frequency | ~600 kHz (pseudo‑constant) |
| Quiescent current (Iq) | ~108 µA |
| Integrated switch R_DS(on) | ~38 mΩ (high side) / ~19 mΩ (low side) |
| Soft‑start | ~1.2 ms |
| Protection modes | Short‑circuit latching, over‑voltage latch, over‑current limit, thermal shutdown, input undervoltage lockout |
| Features | Power‑Good (PG) indicator, auto output discharge, independent enable, 5 V bypass switch (1.5 Ω) |
| Package | QFN 3×3 mm, 20 pins |
Operational & Protection Features
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It uses an Instant‑PWM architecture for fast transient response.
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It supports output discharge when disabled to help the load voltage fall quickly.
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It includes short‑circuit protection (SCP) with latch-off behavior, i.e. the device must be reset (EN or power‑cycle) after a persistent fault.
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Over‑voltage protection (OVP) also latches off to protect the load.
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Over‑current limit (OCL) is built in and acts per switching cycle to bound current.
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Thermal shutdown (OTP) will disable operation if device temperature exceeds safe threshold.
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UVLO (undervoltage lockout) ensures the IC doesn’t operate below a minimum input voltage, protecting stability.
No Return / No Exchange Policy / No Warranty.
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