The Toshiba TLP350 is a premium, high-speed gate driver photocoupler housed in a standard 8-pin DIP package. It acts as an isolated buffer stage between low-power control logic circuits (like MCUs or PWM controllers) and heavy-duty power switches (IGBTs and power MOSFETs). With an internal Faraday shield providing a high common-mode transient immunity (CMTI) of 15 kV/s, it maintains crystal-clear data transmission even in extremely noisy switching environments.
High Output Punch: Delivers up to 2.5A peak output current, quickly charging and discharging gate capacitances for efficient, cool switching.
Galvanic Protection: Offers a massive 3750Vrms isolation voltage rating to fully shield your control circuitry from high-voltage faults.
Totem-Pole Output: Features a robust push-pull (totem-pole) output structure that removes the need for external pull-up resistors.
Noise Immunity: Built-in Faraday shielding suppresses high-frequency noise spikes common in motor drives and heavy industrial environments.
Under-Voltage Lockout (UVLO): Automatically prevents the gate drive from turning on if the supply voltage drops too low, avoiding partial conduction states that burn out transistors.
| Feature | Specification |
| Package Configuration | DIP-8 (Through-Hole) |
| Peak Output Current | 2.5A (Max) / 2.0A (Continuous) |
| Recommended Supply Voltage | 15V to 30V DC |
| Isolation Voltage | 3750 Vrms (Minimum) |
| Propagation Delay Time | 500 ns (Maximum) |
| Common Mode Transient Immunity | 15 kV/s (Minimum) |
| Threshold Input Current | 5 mA (Maximum) |
| Operating Temperature Range | -40C to 100C |
Industrial Inverters: Variable frequency drives (VFDs) and 3-phase motor controllers.
Solar Electronics: Grid-tied and off-grid solar inverter power stages.
Induction Heating: High-frequency switching topologies for induction cooktops and metal melters.
Uninterruptible Power Supplies: Power stage switching inside heavy-duty online DC-AC UPS networks.
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