ISE2409A Power Supplies - Board Mount

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DC–DC converters are used in a wide range of applications, from controlling the voltage levels of an automobile\'s power system to powering microprocessors in electronic devices. The ISE2409A is an all-analog constant-frequency DC–DC switching regulator power module with integrated synchronous rectification and MOSFETs. This robust power converter solution provides high efficiency, low standby current, high switching frequency, and a wide range of input and output voltage options.

The ISE2409A offers a wide array of potential applications. Its simplified architecture and pin-compatible form factor make it ideal for a variety of low power applications such as wearable devices, industrial equipment, medical instrumentation, etc. For instance, security systems, robots and drones can be powered using the ISE2409A. Additionally, it can be utilized as a step-up/step-down DC–DC converter and a point-of-load linear regulator.

The ISE2409A’s primary internal components include two integrated NMOSFETs, a synchronous rectifier, a logic control circuit, and an operating current limiting circuit. The module’s synchronous rectifier provides controlled current output without discharging the output capacitor. This eliminates the need for an external Schottky diode and improves efficiency. Furthermore, the operating current limiting circuit ensures the output current is limited to a safe range.

The ISE2409A’s input voltage range supports up to 24V (6 – 35V). Additionally, its wide adjustable output voltage range allows it to be used as a step-up/step-down converter to meet the needs of a variety of application requirements. The ISE2409A can also be configured to operate at different switching frequencies, making it ideal for applications where space saving and fast output response are important.

Moreover, the ISE2409A boasts advanced features to provide tight voltage regulation and low output noise. Its output voltage can be adjusted up to 0.1V with the external control pin, while the slew rate can be set up to 20V/ms which is two times faster than conventional products, offering enhanced system performance. Also, the ISE2409A’s high switching frequency reduces switching losses and reduces power dissipation, enabling a much smaller and compact solution than other conventional products.

In summary, the ISE2409A is an efficient, low-loss, high-frequency synchronized rectifier DC–DC converter that offers Pin-Compatible Form Factors and a wide range of input and output voltage options for low power applications. Its advanced features, such as high switching frequency, low output noise, and tight voltage regulation, make it the ideal solution for a variety of applications.

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