Description
HCPL-3120 / A3120 is an optically-isolated gate driver designed to drive power IGBTs and MOSFETs. It combines an input GaAsP LED, an internal high-current output stage, galvanic isolation between control and power sides, suited for inverter and motor drive applications.
Key Electrical Features
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Minimum peak output current: ~2.0 A (up to ~2.5 A peak)
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Operating supply voltage (VCC): ~15 V to 30 V
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Maximum low-level output voltage (VOL): approx. 0.5 V
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Under-Voltage Lock-Out (UVLO) with hysteresis
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Common Mode Rejection (CMR): ~15–25 kV/µs
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Switching speed: ~500 ns max
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Operating temperature: –40 °C to +100 °C
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Isolation voltage: typically ~3750 Vrms
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Package: Through-hole DIP-8 package





