ISL65426IRZA

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The ISL65426IRZA is a small, low power, synchronous buck DC-DC converter that works to regulate the input voltage to an appropriate power level for a device. This converter is used in many applications such as powering low voltage components in telecommunications systems, muti-cell base station, automotive and computing applications. It comes with a variety of features, including multi-mode operation, adjustable output voltage, low power consumption and small size.

This DC-DC switching regulator integrates high-efficiency regulated buck converters in a single package, enabling high current point-of-load regulation from a wide input voltage range. It has a wide input voltage range from 0.8 V to 20 V and an adjustable output voltage of 0.8 V to 5 V, with a continuous load current up to 8 A. The ISL65426IRZA features a total power efficiency of up to 98% and a switching frequency range of 200 kHz to 2.2 MHz. Compared to the traditional voltage regulator ICs, the power loss of the device is significantly lower with the higher conversion efficiency.

The core of the ISL65426IRZA is a fixed-frequency current-mode buck dc-dc converter with internal compensator, allowing it to provide accurate output voltage regulation. It also has an internal one-time power on reset circuit, which gives users a safe and reliable start-up of the device. The internal over voltage protection (OVP) circuit provides the protection for the device in case the output voltage of the device rises too high. In case of short-circuits, the device offers short-circuit protection to prevent it from damaging the system.

The device also includes a phase-lock loop (PLL) clock circuit. The PLL regulates the switching frequency to ensure that the output voltage and current remain within specifications even under various load changes. The PLL clock and the built-in control circuitry provide a fast startup, optimized efficiency and improved device performance. Additionally, the user can synchronize the switching frequency to the external microprocessor\'s clock or any external clock signal.

In addition to the features mentioned above, the ISL65426IRZA comes with a number of features that make it ideal for both cost-sensitive and performance-critical measurement and control applications. These features include fast transient response, tight output voltage regulation, low output ripple and noise, and low electromagnetic interference (EMI). Furthermore, the ISL65426IRZA is RoHS-compliant and Halogen-free, making it a great choice for green products.

The ISL65426IRZA DC-DC switching regulator is an ideal solution for applications which require a wide input voltage range, accurate output voltage regulation and low power consumption, such as PC motherboards, printers, network and communication systems, consumer electronics, and industrial control systems.

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