ISL9113EIAZ-T

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The ISL9113EIAZ-T is a multi-series, quad-channel dc-to-dc synchronous buck regulator from Intersil Corporation. This integrated circuit combines power switch, control logic and current-sense amplifiers on a single chip and is designed for high-performance, low-side current-sense switching applications. It aims to provide enhanced levels of system performance and flexibility at lower cost.

The ISL9113EIAZ-T is a versatile four-channel voltage regulator with a wide range of output voltages and adjustable current limits. It provides incremental steps of output voltage between 0.9V and 5.5V, with a 12-bit programmable current limit and 14-bit programmable voltage limit. The ASIC also features dynamic voltage scaling, making it well suited for applications that require exact voltage/current control. The device also includes an embedded LDO regulator, making it easy to power up the control logic.

This PMIC is housed in a TQFN package which is designed for surface mounting for simplified assembly. The controller supports synchronous rectification and active surge current protection. It has a wide 8V to 28V input voltage range and a wide -40°C to +125°C temperature range.

The ISL9113EIAZ-T has a modulation frequency ranging from 250kHz to 2MHz. It features precise and programmable switching frequency (250kHz to 1.5MHz) adjustable at the bus voltage level. The device includes the following features: thermal protection, short circuit protection, 12-bit programmable current limit and 14-bit programmable voltage limit, dual voltage mode control and swing compensation for superior load transient response. The device also supports voltage tracking, programmable phase compensation, current-mode control and cycle-by-cycle current-limit.

The ISL9113EIAZ-T from Intersil is suitable for applications such as industrial and communications equipment, consumer electronics, automotive, LED lighting and more. It is the ideal solution for highly efficient, low-side current-sense switching. Its combination of wide input voltage range, low ripple and low quiescent current draw make it an ideal choice for high-performance, low-side current-sense switching applications.

The ISL9113EIAZ-T is specifically designed to support dual voltage mode control and swing compensation. These features help provide superior system performance and flexibility at a lower cost than the traditional approach. The device also supports voltage tracking, programmable phase compensation, current-mode control, and cycle-by-cycle current-limit.

The ISL9113EIAZ-T is a great solution in PMIC - Voltage Regulators - DC DC Switching Regulators applications where superior control and system performance is required, but cost is also an important factor. It is an ideal solution for low-side current-sense applications and provides an attractive combination of precision, programmability and efficiency.

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