LTC4357CMS8#PBF

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The LTC4357CMS8#PBF is a member of Texas Instruments electronic component family, specifically belonging to the power management and protection product line. It belongs to the Power Management Interface (PMIC) – OR controllers, Ideal Diodes product category.

The LTC4357CMS8#PBF are high-performance dual ideal diode controllers specifically designed to provide an optimal electronic path with a high-current carrying capability. The ideal diode controllers combine a synchronous rectifier with a switch-mode controller to optimize current carrying during forward conduction and to minimize forward voltage drop during reverse conduction.

The LTC4357CMS8#PBF is an ideal choice to serve as a hot swap controller. It can be used to protect other electronics by preventing backfeed when exchangeable modules are used in the system. Its input pins can handle up to 21V and deliver up to 10A in output. Also, the two ideal diodes are accurately matched to maximize efficiency.

The LTC4357CMS8#PBF offers a wide variety of features and protection mechanisms: reverse current protection, automatic fault recovery, as well as over voltage, over current, over temperature and overtemperature alert signals. All of these features and protection mechanisms are easily accessible through the pinouts. Furthermore, the LTC4357CMS8#PBF is available in a Pb-free surface mount package.

So, how does it work? The LTC4357CMS8#PBF detects the input voltage and compares it to the programmed threshold voltage, and then the ideal diodes are switched on and off according to the difference between the two values. This mechanism creates the required electronic path for current flow to the output. The output voltage is then regulated by the switch-mode controller. The frequency at which the ideal diodes switch is determined by a voltage-controlled oscillator which varies its output frequency according to the input signal.

The LTC4357CMS8#PBF is an ideal choice for applications such as power distributed systems, bus-powered/hot swap systems, automotive and industrial systems. Due to its unique combination of ideal diode controllers, switch-mode controllers, and other features, it provides optimal solutions in its application field.

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