TBU-DT085-100-WH Circuit Protection

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Surge Suppression ICs are integrated circuits designed to protect systems from fast-acting transients such as electrostatic discharge (ESD), electrical overstress (EOS), and electrical fast transients (EFT). They are used to protect electronic devices from the damaging effects of voltage surges. In order to understand their application and working principles, let us take the TBU-DT085-100-WH as an example.

The TBU-DT085-100-WH is a single-line two-stage power surge suppressor IC that is designed with 2 bipolar linear Clamping transistors in a 5-pin SIP808 type package. The unit is designed to protect switching power supplies or other circuits from voltage transients. The IC is capable of suppressing up to 10V, which is sufficient to protect electronics from most common power surges. It is also resistant to voltage spikes and high peak currents.

The first stage of the IC is a Clamping device, which works by diverting excess voltage to ground. This prevents the excess voltage from reaching the load. The second stage is a balanced 3-terminal shunt regulator, which maintains a stable voltage across the output load even during power surges. The IC can handle up to 1000V transients in both Up and Down direction with 1.2V voltage drop on the output side.

The TBU-DT085-100-WH can be used in a wide range of applications, such as home appliances, monitors, consumer electronics, and industrial equipment. The device can be used in both AC and DC power systems to provide power surge protection. The IC is also ideal for protecting boards from ESD, EOS, and EFT. The unit can protect systems from high peak current and voltage transients.

The TBU-DT085-100-WH is easy to install and can be plugged into any existing circuit. The IC has a built-in surge protection circuit that works quickly when a surge is detected. The device has a low input capacitance, making it suitable for use in high-frequency applications. The IC also has a low thermal resistance, allowing it to dissipate heat quickly. Finally, the IC has an extremely low stand-by current, reducing the power consumption of the system.

In summary, the TBU-DT085-100-WH is a single-line two-stage power surge suppressor IC that can protect electronic devices from the damaging effects of voltage surges. It is ideal for a wide range of applications and is easy to install. The IC has a built-in surge protection circuit that works quickly when a surge is detected, and has a low input capacitance suitable for use in high-frequency applications. The unit can handle up to 1000V transients with 1.2V voltage drop on the output side, and is resistant to voltage spikes and high peak currents. The IC has a low thermal resistance, allowing it to dissipate heat quickly, and is able to maintain a stable voltage across the output load even during power surges. Finally, the IC has an extremely low stand-by current, reducing the power consumption of the system.

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