ISL9305IRTHWCNYZ-T

Due to market price fluctuations, if you need to purchase or consult the price. You can contact us or emial to us:   sales@allicdata.com

The ISL9305IRTHWCNYZ-T is part of a wide range of voltage regulators from Intersil, specifically implemented into the Power Management IC (PMIC) category, standing out for its Linear + Switching type for the targeted application field. This device is specially designed to provide a regulated supply voltage in microprocessors, memory systems, and other power-sensitive electronics for devices operating on a battery or other power source, where load stability is critical. Moreover, it offers a low-power standby/shutdown function, providing optimum power management under dynamic load conditions. Accordingly, it is suitable to be utilized in applications such as portable battery-powered products and industrial equipment that have previously used discrete solutions.

The ISL9305IRTHWCNYZ-T had been developed to integrate a low dropout regulator, an adjustable voltage regulator, and four controllable power switches into a single package. Furthermore, it is capable of supporting a 3V to 17V input range, and output voltages ranging from 0.4V to 25V. Such features make it ideal for various external power supplies, including wall adapters, single-cell Li-Ion, and USB power supplies. Something to note is that, it is rated to support a maximum load current of 1A, with an efficiency ranging from 80-90%, which is an outstanding feature.

In respect to its working principle, it consists of a direct-coupled transistor (Q2) pass element, controlled by an internal current mirror regulator. This operational amplifier is mainly responsible for controlling the voltage output in an indirect manner, by using internal and external resistors to the amplifier to set the voltage threshold. The current mirror itself is a combination of two transistors. The first one acts as a reference current source, defining the voltage threshold to be compared to the resistor settings. The other one functions as a (Q2) pass transistor, being used to develop the output current by passing the reference current.

Furthermore, the current mirror is controlled by the voltage feedback pin, switching the Q2 to either turn on or turn off. When the voltage increase, the transistor turns off, decreasing the Q2 current source, leading to current decrease into the load, and thus, voltage stability. On the other hand, when voltages start to decrease, the transistor is switched to on state, increasing the current to the load, thus also increasing the voltage back to the steady state.

In summary, the ISL9305IRTHWCNYZ-T is a sophisticated control switch in the Power Management IC (PMIC) category, targeting Linear + Switching applications. Developed specially to provide a regulated voltage supply in microprocessors, memory systems, and other power-sensitive electronics, it supports inputs from 3V to 17V, with maximum output load current of 1A and efficiency ranging from 80-90%. It had been primarily engineered to support wall adapters, single-cell Li-Ion, and USB power supplies, by integrating a low dropout regulator, an adjustable voltage regulator, and four controllable power switches in a single package. Lastly, its working principle lies in the combination of two transistors in form of a direct-coupled current mirror regulator, being used to develop the output current and control the voltage output through internal and external resistor settings.

The specific data is subject to PDF, and the above content is for reference