TLP5214(E

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The TLP5214 is a gate driver for isolators. It features a wide operating range, low power consumption and high efficiency. The key benefits of the TLP5214 include:

• Wide input voltage range, from 4.5V to 18V for reliable operation up to 500V operation voltage
• Low RDS(on) and high output current for a power efficient performance
• High transient immunity and noise margin for a robust operation
• Controlled turn-off for minimum VDS(on)
• Up to 52 MHz switching frequency to reduce latency

The TLP5214 is especially suitable for use in digital isolators and gate drivers that require reliable operation over a wide voltage range. Additionally, it has been designed to meet the stringent noise margin and transient immunity requirements of digital isolators, as well as deliver a robust platform for gate drivers.

The TLP5214 features a novel circuit topology that provides stable operation from low to high operating voltages. It is based on vertical MOSFETs to obtain high current density and low conduction losses. It also incorporates a bypass of the internal gate driver circuits to keep the MOSFETs\' on-resistance low.

The TLP5214 also features a low dissipation breakdown (LD3VO) feature, which can provide up to 70V for short circuit protection. This feature helps reduce the impact of short circuits on the performance of the gate driver. Additionally, it prevents damage to the power transistors when a high voltage transient occurs.

The TLP5214 incorporates a current limiting circuit which helps protect the power MOSFETs and limit power dissipation in case of an overcurrent fault. This circuit limits the MOSFET on-state conduction time, while also supporting a full high frequency, low power control circuit.

The TLP5214 also has an enhanced gate drive output with a high peak current capability of up to 5A. This allows the TLP5214 to support leading edge type pulse width modulation (PWM), which is especially useful for high frequency applications.The TLP5214 also features an adjustable fast turn-off feature. This feature greatly increases the speed of the turn-off time by actively driving the gate voltage to ground. This helps to reduce the VDS(on) to the minimum, which is especially important for applications that require high speed performance.

Overall, the TLP5214 is an ideal gate driver for digital isolators, as it packs a wide variety of features to deliver a robust, power efficient, and reliable operation over a wide voltage range. These features ultimately help to ensure reliable operation of sensitive, high frequency, and high power digital isolator applications.

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