LTC3423EMS

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The LTC3423EMS is a step-up DC-DC converter with integrated high-side and low-side switches. It also features 95% efficiency while operating over a wide range of input and output voltages, making it an ideal solution for high current DC/DC needs. The device benefits from high efficiency, no current loop rectification, and low ripple. It can be configured as a buck-boost converter or a buck-buck converter.

The LTC3423EMS is an efficient buck-boost regulator optimized for applications requiring high current delivery. The device leverages an internal single-phase buck-boost converter with an onboard gate drive circuit and an auto-compensated 10A peak switch current limit. It also has a built-in watchdog timer for the safe shutdown of the system. The current loop control allows for the use of low ESR and high ripple capacitors to provide low ripple output current.

The LTC3423EMS has adjustable operating frequency from 50kHz to 1MHz, a wide input voltage range from 2.5V to 10V, and a high output voltage up to 90V. The output current can be configured as either a fixed or adjustable regulated output. The wide input and output voltage ranges require low ripple and noise so the LTC3423EMS features an integrated post regulator filter stage to maintain better power regulation at the output. It also features an under-current detection feature which is useful when two PSUs are connected in parallel or when the output is powering multiple loads in parallel.

The LTC3423EMS also features a comprehensive set of protection features including an output over-voltage limit, over-current protection, and short-circuit protection. It also includes a watchdog timer which can be used to recover from a fault condition such as a short circuit or over-voltage and a guarantee of 100ms foldback time to prevent over-voltage conditions.

The LTC3423EMS can be used for various applications such as high current bidirectional dc-dc buck-boost voltage regulation and power conversion. It is ideal for automotive powertrain and battery management systems, electronic loads, IoT applications, industrial and automation applications and other products that require high efficient and reliable power delivery.

In conclusion, the LTC3423EMS is a high-efficiency, low-noise, and adjustable step-up DC-DC converter, ideal for applications demanding high current delivery at wide input and output voltage ranges. It features 95% efficiency, no current loop rectification, low ripple, and adjustable frequency, as well as a comprehensive set of protection features.

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