LT3473EDD#PBF

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The LT3473EDD#PBF is a highly efficient, high current power supply semiconductor switch ideal for DC-DC switching regulators. It offers a wide operating range from input voltages of 6.5V up to 65V and can provide up to 3.5A sourcing and sinking current. The device features a bootstrap architecture, a low on-resistance charge pump, and a 0.9V internal reference voltage which make the device ideal for a wide array of electronic control applications.

The LT3473EDD is a monolithic high-frequency DC-DC switching regulator for use in low voltage to medium voltage applications. It is capable of providing high levels of output current at low voltages, and can be used in both buck and boost topologies. The device features an integrated charge pump, high frequency switching and low on-resistance power FETs. The output voltage is adjustable and capable of being externally programmed to any voltage level between 0. 6 V and 12 V.

The LT3473EDD includes a 0.9V bandgap reference voltage, a voltage feedback loop, soft start and an error amplifier with gain bandwidth of 1MHz. It also includes an oscillator, output drivers and a charge pump. The integrated charge pump delivers high current with minimal voltage drop, which enables designers to build high efficiency regulators. Its bootstrap architecture, which features low voltage and charge pump operation, helps simplify design and cut parts count, saving designers time and effort.

The input voltage range of the LT3473EDD is from 6.5V up to 65V, with a minimum required input voltage for proper operation of 6.5V. It also has internal short circuit and thermal protection, as well as input under voltage lockout, slew rate control and adjustable output current limiting. The LT3473EDD operates at a switching frequency of 500kHz and can be adjusted by an external resistor.

The LT3473EDD is an ideal device for low voltage to medium voltage DC-DC switching regulator applications, as well as automotive and industrial electronic control systems. Its low on-resistance charge pump, high current output and wide operating range make it a great choice for any application that requires fast, efficient, and reliable power regulation.

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