ISL6402IVZ

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The ISL6402IVZ is a low noise, low quiescent current, dual rail-to-rail output, low dropout linear and switch-mode voltage regulator. It is a highly efficient and cost-effective intermediate voltage regulator designed to convert low-voltage and current-limited power sources into two isolated, programmable outputs. The ISL6402IVZ is fast and provides 200mA load current, good transient response and adjustable output voltage from 0.8V to 5.5V.

The ISL6402IVZ provides basic voltage regulation and can help reduce power waste in mobile products, medical devices, and other battery-powered systems where limited space, low channel current and high efficiency are required. The ISL6402IVZ is an ideal solution for powering devices that require different system voltages or require an intermediate voltage regulator between the battery and the system due to the strict current limits of the battery.

The ISL6402IVZ features a linear regulator (LDO) and a switch-mode regulator(Switcher), both of which share the same reference voltage. This allows for a highly efficient and cost-effective solution without compromising performance. The switcher has a wide input voltage range of 2.7V to 5.5V and can drive a load up to 200mA while offering a low output voltage ripple of ±1.0mV. The LDO can provide 0.8V to 5.5V output voltages, and has a quiescent current of 3uA, which makes it highly efficient and suitable for small form factor, energy-constrained systems.

The ISL6402IVZ has high accuracy and low drop-out voltage over the entire input voltage range, enabling it to support very low system voltages. The ISL6402IVZ includes an internal power-on reset circuit with a falling voltage threshold of 1.3V. The reset delay time is programmable, so it is adjustable to the power-up rate of the system. This feature provides reliable power-up sequencing and eliminates the need for an external reset IC.

The ISL6402IVZ is also equipped with an under-voltage lockout (UVLO) circuit to protect the device from unexpected or out-of-limit input voltage. This UVLO is programmable over the entire input voltage range with the lowest threshold of 1.2V. The output voltage tracking is also programmable for both linear regulators, allowing the outputs to be tracked together for easy parallel operation. The internal compensation of the device also reduces the design complexity and total solution size by eliminating the need for external compensation circuitry.

The ISL6402IVZ is suitable for a wide range of applications including mobile phones, portable medical devices, and consumer electronics where a dual output, single-channel power source is required. It is also a great solution for systems which require a low-noise regulator with good load and line transient response.

In summary, the ISL6402IVZ is an efficient and cost-effective intermediate voltage regulator designed to convert low-voltage and current-limited power sources into two isolated, programmable outputs. It provides basic voltage regulation with low drop-out voltage and fast transient response. Its integrated features such as internal power-on reset, under-voltage lockout, and output voltage tracking make it an ideal solution for powering devices that require different system voltages or require an intermediate voltage regulator between the battery and the system.

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