LT1952EGN-1#PBF

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The LT1952EGN-1#PBF is a high performance step-down switching DC/DC converter, which is a part of the PMIC - Voltage Regulators - DC DC Switching Controllers. This switching DC/DC converter offers a wide 4V to 40V input voltage and a 4A maximum output current. It also comes with an excellent power supply rejection, enabling it to achieve high system performance with good reliability.

On the input side, LT1952EGN-1#PBF can be driven directly by a voltage source or a voltage regulator module, and it has a wide input voltage ranging from 4V to 40V. For the output side, it can be configured to provide a constant current or constant voltage output. The output voltage and current rating can be adjusted through external components such as resistors, capacitors, and transformers. The device also supports a low start-up current and a low output ripple noise.

In terms of features, the LT1952EGN-1#PBF offers some excellent precision performance. It has a fast transient response time and a high efficiency over a wide range of operating conditions. The device also comes with an integrated over-temperature circuit protector, which enables it to detect an over-temperature condition and protect the system from any further damage. The device also offers a high reversal voltage protection.

The LT1952EGN-1#PBF is a single-stage step-down switching regulator that employs a synchronous rectification technique to increase power efficiency. This regulator utilizes a topology called a Buck Converter. The Buck Converter consists of an inductor, a diode, a switch, and a capacitor. The switch (the LT1952EGN-1#PBF) is controlled by a pulse width modulation (PWM) signal. The PWM signal has a varying duty cycle that controls the switch on-and-off times. When the switch is on, the inductor stores energy; when the switch is off, it releases the stored energy into the output. This cycle continues until the output voltage is regulated to the prescribed level. In addition, the integrated controller of the device can provide an adjustable soft-start function, which helps in reducing the output in-rush current during start-up.

The LT1952EGN-1#PBF is an ideal solution for applications such as high-end battery powered mobile devices, cellular base stations, networking/server applications, and automotive systems. It offers a wide input voltage, low start-up current, excellent power supply rejection, fast transient response time, and high efficiency, which enables it to be used in various demanding applications.

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