Description:High noise immunity characterized by 35kV/µs minimum common mode rejection; 2.5A peak output current driving capability for most 800V/20A IGBT; Use of P-channel MOSFETs at output stage enables output voltage swing close to the supply rail; Wide supply voltage range from 15V to 30V; Fast switching speed; 400ns max. propagation delay; 100ns max. pulse width distortion; Under-Voltage LockOut (UVLO) with hysteresis; Extended industrial temperate range, -40°C to 100°C temperature range; Safety and regulatory app
The recommended PCB layout for the FOD3120SV involves keeping the input and output traces as short as possible, using a ground plane to reduce noise, and placing the device close to the load to minimize inductive losses. A 4-layer PCB with a dedicated power plane and a separate ground plane is recommended.
To ensure proper biasing, the FOD3120SV requires a supply voltage (VCC) between 2.7V and 5.5V, and an enable input (EN) that is driven high to enable the device. The output voltage (VOUT) should be set to the desired level using an external resistor divider network.
The FOD3120SV has a maximum current rating of 1A, making it suitable for applications that require a high current output. However, the device's thermal performance should be considered to ensure reliable operation at high currents.
The FOD3120SV has an internal overcurrent protection (OCP) feature that limits the output current to prevent damage to the device in the event of a short circuit or overload. The OCP threshold is typically set to 1.5A, but can be adjusted using an external resistor.
The typical rise time and fall time of the FOD3120SV output are 10ns and 20ns, respectively, making it suitable for high-speed applications. However, the actual rise and fall times may vary depending on the output load and PCB layout.
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FOD3120SV Overview
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