LX7104ISF

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The LX7104ISF is a dual-output DC/DC regulator that is suitable for a wide variety of embedded applications, including networking, consumer and industrial systems. It is designed to regulate the output voltage of a system operating at wide supply voltage ranges, with a high efficiency, very low standby current and a fast transient response. LX7104ISF is part of the LX family of high-current voltage regulators from Analog.

The LX7104ISF is a very versatile regulator, featuring dual-outputs with a wide range of configured output voltages (4.5V to 24V), adjustable output voltage range (2.2V to 24V), adjustable switching frequency (500kHz to 1MHz), adjustable soft-start as well as a low-ripple external sync capability. Additionally, the LX7104ISF delivers excellent efficiency when compared to traditional linear regulators, with a typical efficiency of greater than 90%.

The LX7104ISF has two independent adjustable DC-DC regulator channels that are internally connected by an enable/disable logic. Both channels can be set to different voltage levels using internal voltage feedback resistors and a single output enable/disable control. Each channel also has its own soft-start feature to prevent inrush current when the regulator starts up. The LX7104ISF also provides a fast transient response to changes in load conditions, as well as a low-ripple external synchronization capability.

The LX7104ISF works by switching an internal FET between two levels to regulate the voltages. This switching action causes the voltage to be regulated at a specific level by varying the “on-time” of the FET. When the output voltage is higher than the setpoint, the “on-time” of the FET is decreased, and when the output voltage is lower than the setpoint, the “on-time” of the FET is increased. This “on-off” switching of the internal FET, keeps the output voltage at the setpoint regardless of the load.

The LX7104ISF can be used for a wide range of applications requiring dual independent regulated outputs, including networking and embedded systems, consumer electronics, automotive, industrial and telecom applications. Additionally, the LX7104ISF is rated for up to 10A maximum output current, and is available in a variety of package options.

Overall, the LX7104ISF is an ideal solution for a wide variety of DC/DC and multiple output applications. It provides a wide range of output voltages, fast response time, low standby current, and excellent efficiency when compared to traditional linear regulators.

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