ISL78420ARTBZ-T

Current - Peak Output (Source, Sink):	2A, 2A
Base Part Number:	ISL78420A
Supplier Device Package:	9-TDFN (4x4)
Package / Case:	9-WDFN Exposed Pad
Mounting Type:	Surface Mount
Operating Temperature:	-55°C ~ 150°C (TJ)
Rise / Fall Time (Typ):	10ns, 10ns
High Side Voltage - Max (Bootstrap):	114V
Input Type:	Non-Inverting
Series:	Automotive, AEC-Q100
Logic Voltage - VIL, VIH:	1.8V, 4V
Voltage - Supply:	8 V ~ 14 V
Gate Type:	N-Channel MOSFET
Number of Drivers:	2
Channel Type:	Synchronous
Driven Configuration:	Half-Bridge
Part Status:	Obsolete
Packaging:	Tape & Reel (TR)

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Introduction to ISL78420ARTBZ-T

The ISL78420ARTBZ-T is a low resistance, low RDS(ON) low side MOSFET gate driver for PMIC (Power Management Integrated Circuit) applications. This gate driver is designed to provide high frequency and low noise pulse switching to enhance system performance, reduce on-resistance and lower EMI emissions. It consists of several regulators, an integrated low noise, low voltage boost converter, an opto coupler and a noise filter. The ISL78420ARTBZ-T offers a power reduction, remote power on/off control and accurate drive current control regardless of temperature, supply voltage and board layout.

The Application Field of the ISL78420ARTBZ-T

The ISL78420ARTBZ-T is designed for use in embedded power management systems, power management system-on-chip, power conversion ICs, DC-DC converters and other PMIC ICs. It is suitable for applications like power failure, system programming, and remote power distribution. The device is also applicable to applications such as CPU, notebook, mobile and desktop applications, automotive and power tool DC-DC converters, and other embedded systems. The low resistance, low RDS(ON) low side MOSFET gate drivers provide high frequency switching, high accuracy supply current and low EMI emission on a single chip, offering ideal performance and cost efficiency.

The Working Principle of ISL78420ARTBZ-T

The ISL78420ARTBZ-T gate driver uses a low resistance, low RDS(ON) low side MOSFET driver to switch on/off the device. The device employs an integrated low noise, low voltage boost converter to increase the gain of the opto coupler, which drives the gate of the gate driver. The gate driver also features a noise filter circuit that reduces power supply noise. The low RDS(ON) MOSFET helps switch on and off the device in a very short time, enhancing system performance, reducing on-resistance and lowering EMI emissions. The device is equipped with accurate drive current control regardless of temperature, supply voltage and board layout. It also offers power reduction, remote power on/off control and accurate drive current control. It also provides high frequency switching and low EMI emission. The device is designed to provide increased system performance and improved reliability. In addition, the device also integrates remote power on/off control, allowing faster and more efficient system activation and deactivation. It also provides a more reliable way of programming the system remotely. The device is also equipped with low RDS(ON) low side MOSFET gate driver, accuracy of drive current control and noise filter.

Conclusion

In conclusion, the ISL78420ARTBZ-T is an integrated low resistance, low RDS(ON) low side MOSFET gate driver for PMIC (Power Management Integrated Circuit) applications. It is suitable for embedded power management systems, power management system-on-chip, power conversion ICs, DC-DC converters and other PMIC ICs. The device provides high frequency switching and low noise pulse switching for increased system performance, reduced on-resistance and lower EMI emissions. It also integrates power reduction, remote power on/off control and accurate drive current control regardless of temperature, supply voltage and board layout.

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