LTM8001IY Power Supplies - Board Mount

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DC DC Converters

The LTM8001IY is a complete dual-phase synchronous step-down switching converter with integrated four-phase controllers, six power MOSFETs, inductors, and boot capacitors. It is designed to operate from an input between 8V and 80V, and it supplies a pair of regulated outputs at up to 8A continuous current (12A continuous current with a maximum junction temperature of 125°C). It can be used in a variety of applications, including distributed power systems, automotive systems, battery-powered equipment, and general-purpose power systems.

The LTM8001IY has a variety of features that make it suitable for a wide range of applications. It has low input capacitance, high efficiency, low output ripple, wide output voltage range, adjustable switching frequency, and excellent thermal performance. It also has low external component counts, adjustable current limit, adjustable phase current balance, and programmable soft-start. Additionally, it has an integrated loop compensation network for simplifying design.

The working principle of the LTM8001IY is based on the principle of synchronous buck converter, where the controller actively switches a pair of MOSFETs in opposite directions to convert the input voltage into an adjustable lower voltage. When the MOSFETs are switched off, the inductor will retain energy until the switching cycle repeats. This stored energy is transferred to the output capacitor to maintain a steady output voltage. The output voltage can be regulated by varying the duty cycle of the switched nodes. The LTM8001IY also contains integrated current sharing for efficiency optimization and improved light-load efficiency.

The LTM8001IY has a variety of uses in distributed power systems, automotive systems, and battery-powered equipment. It can be used to generate two regulated outputs from a single input source. It can also be used to generate split-rail voltages, dual-output-voltage supplies for unbalanced loads, or as a dual-voltage power supply. Additionally, it can be used to provide power in automotive systems, such as in instrument panels, infotainment systems, and electric powertrain systems. The LTM8001IY is also suitable for powering battery-powered equipment, such as medical equipment, communications systems, and portable computing equipment.

In summary, the LTM8001IY is a complete dual-phase synchronous step-down switching converter with integrated features that make it suitable for a wide variety of applications. It is designed to operate from 8V to 80V, and it supplies two regulated outputs at up to 8A continuous current. It has a variety of features that make it suitable for distributed power systems, automotive systems, and battery-powered equipment. The working principle is based on the synchronous buck converter, where the controller actively switches two MOSFETs in opposite directions to convert an input voltage into an adjustable lower voltage.

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