LTC1472CS#PBF

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The LTC1472CS#PBF is a single, integrated, high-speed switching circuit that belongs to the family of Power Management Integrated Circuits (PMICs). It is categorized under “Power Distribution Switches, Load Drivers” and is used in a wide range of applications such as automotive, networking, industrial, and medical. The circuit is capable of providing a high switching speed with low power dissipation and is suitable for use in limited space.

The LTC1472CS#PBF is particularly suitable for switching high current and high voltage designs. It has a wide operating range of dc input voltages ranging from 6V to 18V, with a maximum switching voltage of 26V. Input current is limited by a power diode protection circuit. Output current is up to 1 amp with a maximum power dissipation of 3 watts. The maximum output frequency is 200kHz.

The LTC1472CS#PBF has a wide range of features which make it ideal for various applications. It is designed with an overload protection circuit to meet the requirements of overload, overvoltage, and overtemperature. The circuit also features a maximum on/off delay time of 35µs, an adjustable dead time of up to 20µs, and a minimum dead time of 10µs. The protection circuitry also includes transient voltage suppression (TVS), reverse bias protection, and peak current protection.

The circuit also has a selectable low-side active pull-up circuit, which enables the user to select the pull-up resistance. This feature increases accuracy and versatility. The adjustable high-side output voltage offers an adjustable voltage range of 6V to 18V. This makes the LTC1472CS#PBF suitable for different power supplies and applications. The internal P-Channel FET provides improved efficiency and low stand-by current. The circuit has a low thermal impedance package and is able to maintain a junction temperature of up to +80°C.

The working principle of the LTC1472CS#PBF is based on the switching of high-side and low-side MOSFETs. When the input voltage rises, the high-side MOSFET is activated to increase the output voltage. When the input voltage falls, the high-side MOSFET is turned off and the low-side MOSFET is turned on, which reduces the output voltage. The circuit can be configured for either high-side or low-side control, depending on the particular application. The output voltage can be adjusted by selecting the appropriate resistor values on the pull-up circuit.

In addition to its high-speed switching capabilities and high accuracy, the LTC1472CS#PBF is also designed with low-power consumption and is suitable for applications that require low power consumption. The circuit features a UVLO (Under Voltage Lock Out) protection which prevents excessive current and temperature risings, hence ensuring the reliability of the circuit. The LTC1472CS#PBF is available in a small space-saving, DFN-8 package and is ideal for a wide range of automotive, networking, industrial, and medical applications.

The LTC1472CS#PBF is a versatile highly-integrated switching solution for high-current, high-voltage applications. It offers an impressive combination of low power dissipation, over-voltage and overtemperature protection, adjustable dead-time, and overload protection. Its selectable pull-up circuit, adjustable output voltage and fast switching speed make it the ideal choice for applications requiring both high current and high frequency performance.

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