LT1162IN#PBF

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LT1162IN#PBF Application Field and Working Principle

The LT1162IN#PBF belongs to PMIC - Gate Drivers and it is a high speed MOSFET driver. It is designed to drive the gate of external power MOSFETs or IGBTs in bridge, half bridge, and full bridge topologies. It is very suitable for industrial and automotive applications such as DC-DC converters and power supplies, brushless motor drives, injection and ignition systems, etc.

Features

The LT1162IN#PBF can output a peak pulse current up to 3A and a continuous output current of 1A. It has a wide input voltage range of 2.5V to 20V, and a wide operating temperature range from -40℃ to +150℃. The LT1162IN#PBF also features short circuit current limiting protection and overvoltage crowbar protection. In addition, it has a low quiescent current of only 0.6mA (typ), which is suitable for low power applications.

Applications

The LT1162IN#PBF can be used in a variety of applications, such as industrial motor drives, DC/DC converters, power supplies, automotive injection and ignition systems, motor drives, solenoid and solenoid valve drives. The LT1162IN#PBF is also suitable for other applications which need high speed MOSFET driver.

Working Principle

The LT1162IN#PBF is an integrated, high performance MOSFET driver with an open drain output. It can be used to drive an external N-channel MOSFET or IGBT. The output of the LT1162IN#PBF is connected to the gate of the external power switch. When the LT1162IN#PBF receives a digital high level signal at the input, the output is enabled and the external power switch is turned on, thereby allowing current to flow through the system. When the input signal is a digital low level signal, the output is disabled and the external power switch is turned off, thereby stopping current flow through the system.

The LT1162IN#PBF operates in a wide input voltage range of 2.5V to 20V and can supply peak pulse output current up to 3A. It is protected with short circuit current limiting protection and overvoltage crowbar protection for high reliability. In addition, the LT1162IN#PBF features a low quiescent current of only 0.6mA (typ), which is suitable for low power applications.

Conclusion

The LT1162IN#PBF is a high speed MOSFET driver from PMIC - Gate Drivers family. It is ideal for industrial motor drives, DC/DC converters, power supplies, automotive injection and ignition systems, motor drives, solenoid and solenoid valve drives and other application which need high speed MOSFET driver. It operates in a wide input voltage range of 2.5V to 20V, and can supply peak pulse output current up to 3A. It has a low quiescent current of only 0.6mA (typ). Moreover, it is provided with short circuit current limiting protection and overvoltage crowbar protection for high reliability.

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