TLP250H(F)

Due to market price fluctuations, if you need to purchase or consult the price. You can contact us or emial to us:   sales@allicdata.com

Description

The TLP250H is a DIP8 packaged optocoupler consisting of a GaAℓAs infrared light emitting diode (LED) optically coupled to an integrated high-gain, high-speed photodetector IC chip. It guarantees performance and specifications up to 125°C. The TLP250H has a built-in Faraday shield and guarantees ±40 kV/µs common-mode transient immunity. It features a totem-pole output that can sink and source current simultaneously. The TLP250H is ideal for IGBT and power MOSFET gate drive.

Features

   1. Buffered logic type (totem-pole output)

   2. Output peak current: ±2.5 A (max)

   3. Operating temperature: -40 to 125 °C

   4. Supply current: 3 mA (max)

   5. Supply voltage: 10 to 30 V

   6. Threshold input current: 5 mA (max)

   7. Propagation delay time: 500 ns (max)

   8. Common-mode transient immunity: ±40 kV/µs (min)

   9. Isolation voltage: 3750 Vrms (min)

 10. Safety standards

       - UL recognized: UL1577, File No. E67349

       - cUL recognized: CSA Component Acceptance Service No. 5A, File No. E67349

       - VDE recognized: EN60747-5-5, EN60065 or EN60950-1

Applications

   1. Industrial inverters

   2. Air conditioning inverters

   3. IGBT gate drivers

   4. MOSFET gate drivers

   5. Induction cookers and household appliances

Pin definition (DIP-8)

Key points of design

   1. Input side:

       - Current limiting resistor calculation: Rlim=(Vcc-1.5V)/IF (Recommended IF=10mA)

       - It is recommended to connect a reverse protection diode in parallel at both ends of the LED

   2. Output side:

       - A 0.1μF+10μF decoupling capacitor should be placed near the Vcc pin

       - Recommended gate resistance value: 10-100Ω (adjusted according to the switching speed)

   3. Isolation design:

       - Maintain ≥8mm creepage distance between primary and secondary

       - Avoid sharp angle design for high-voltage wiring

Reliability data

   1. MTTF:>1×10⁶ hours @85°C

   2. Moisture resistance: Passed 85°C/85%RH 1000 hours test

   3. Insulation life:>20 years (@600V working voltage)

Precautions

   1. Electrostatic protection:

       - All pins are only resistant to ESD of 2kV (anti-static operation required)

   2. Welding conditions:

       - Wave soldering: 260°C ≤10 seconds

       - Manual soldering: soldering iron temperature ≤350°C

   3. Troubleshooting:

       - When there is no output, first check the Vcc voltage (needs ≥15V)

       - When the output is abnormal, measure the voltage drop at the LED end (normal 1.1-1.5V)

The specific data is subject to PDF, and the above content is for reference