SUCS32405C-CG

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DC-DC converters are electronic circuits which can convert one DC voltage to another DC voltage, usually with efficiency as the main goal. The SUCS32405C-CG is a regulated monolithic DC-DC converter from Supertex-Dual, which is widely used for many applications.

The SUCS32405C-CG is an integrated circuit composed of a series of switching elements, such as inductors, capacitors, and MOSFETs. The IC is governed by its internal control logic, which allows for the efficient regulation of voltage input and output. It also features the ability to shut itself off when the voltage input reaches a preset level, making it an ideal choice for battery-powered applications.

The SUCS32405C-CG has an operating input voltage range of 2.7V to 5.5V and an adjustable output voltage range of 1.25V to 5V. It has a maximum output current of 1.5A and a switch frequency of 500kHz, making it a highly efficient solution for many DC-DC conversion needs. The device can also be disabled by its enable/disable pin, allowing power savings when not in use.

The SUCS32405C-CG is most commonly used in portable and fixed power supply systems, such as notebook computers, mobile phones, telecom systems, pagers, and industrial equipment. The device is also used in many automotive applications, such as powertrain, control systems, instrumentation, and HVAC systems. Additionally, the device can be used for battery-powered applications, as its internal control logic will shut the device off when the voltage input reaches a pre-set level, in order to preserve battery life.

The working principle of the SUCS32405C-CG converter is based on switch mode technology. The device employs a variable frequency, PWM (Pulse Width Modulation) control to regulate the output voltage of the device. The device uses an internal pulse generator to generate two complementary, rectangular wave forms at a fixed frequency. The pulse widths of these two signals are then modulated to control the output voltage. The IC also has an on/off control pin which can be used to disable the switch-mode operation when the device is not in use, and the input voltage reaches a predetermined level. This ensures that the battery is not unnecessarily drained when the device is not in use.

In conclusion, the SUCS32405C-CG is a widely used monolithic DC-DC converter which is suitable for a variety of portable and fixed power supply systems. The device features an adjustable output voltage range, an input voltage range of 2.7V to 5.5V, and an on/off control pin, allowing for efficient on/off control. The device also has an internal control logic that shuts the device off when the input voltage reaches a pre-set level, improving the efficiency and preserving battery life. The working principle of the SUCS32405C-CG is based on switch-mode technology, making it an ideal choice for many circuit designs.

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