The TLP190B is a photocoupler produced by TOSHIBA. It is suitable for surface mount assembly. The device consists of a GaAℓAs light emitting diode and a series connected photo diode array which is suitable for MOSFET gate drive.
The TLP190B is a miniature GaAs optocoupler designed for MOSFET gate drive applications. It features a light‑emitting diode optically coupled to a series‑connected photodiode array and is suitable for surface‑mount assembly.
The document lists absolute maximum ratings, recommended operating conditions, individual and coupled electrical characteristics, isolation and switching specifications, as well as restrictions on product use for safety‑critical applications.
| Open voltage (Voc) | 7.0 V (min.) |
|---|---|
| Short current (Isc) | 12.0 µA (min.) |
| Isolation voltage | 2500 Vrms (min.) |
| Reverse voltage (VR) | 3 V |
| Junction temperature (Tj) | 125 °C |
The minimum isolation voltage is 2500 Vrms.
The recommended operating temperature range is –25 °C to 85 °C.
Typical forward current is 20 mA to 25 mA.