LSN-T/10-D12-C

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DC-DC converters are used in many applications, including automotive, industrial, and consumer electronics such as laptops, cell phones, digital cameras, and game consoles. The most common type is the isolated DC-DC converter, which is able to reduce voltage from a higher to a lower one with a high level of isolation to protect both the power source and the load. The LSN-T/10-D12-C DC-DC converter is a non-isolated type. It is primarily used in low-power applications and helps reduce board space and lower the cost of the system.

The LSN-T/10-D12-C is a synchronous buck DC-DC converter with wide input voltage range. It operates with input voltages from 3.2 V to 24 V and provides a regulated 12 V output voltage with a maximum output current of 1A. The device can reach a peak efficiency of up to 95%. It offers low output voltage ripple and low noise performance. It also features over current, over voltage, and over temperature protection.

The device is comprised of an internal P-channel power MOSFET for the lower switch, an internal N-channel power MOSFET for the upper switch, and an internal integrated 600 V startup voltage detector. An external series diode is required for the device to start up. The control loop is managed by an internal error amplifier and a voltage feedback network. The voltage feedback network consists of a resistor divider connected from the output of the device to the input of the error amplifier. The voltage output is regulated by a current-mode PWM control loop.

The device can be used in a variety of applications, from motor drive controllers to power supplies, battery chargers, and point-of-load converters. It can also be used to step down the voltage from high-voltage sources such as solar cells or DC-DC converters with a wide input voltage range. It is especially useful in applications where low noise and high efficiency are critical, such as for medical devices.

In summary, the LSN-T/10-D12-C synchronous buck DC-DC converter is a high-efficiency device with wide input voltage range. It can reduce voltage from a higher to a lower one and provides low output noise and high efficiency. It is suitable for a variety of applications, from motor drive controllers to power supplies, battery chargers, and point-of-load converters. It is especially useful for medical device applications due to its low noise and high efficiency.

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