
Allicdata Part #: | ISL98665IRTZ-T-ND |
Manufacturer Part#: |
ISL98665IRTZ-T |
Price: | $ 0.00 |
Product Category: | Integrated Circuits (ICs) |
Manufacturer: | Intersil |
Short Description: | IC POWER SUPPLY TFT LCD 28-QFN |
More Detail: | - Converter, TFT LCD Voltage Regulator IC 1 Output... |
DataSheet: | ![]() |
Quantity: | 1000 |
1 +: | 0.00000 |
Specifications
Series: | -- |
Packaging: | Tape & Reel (TR) |
Part Status: | Obsolete |
Applications: | Converter, TFT LCD |
Voltage - Input: | 2.2 V ~ 5.5 V |
Number of Outputs: | 1 |
Voltage - Output: | 0 V ~ 37.5 V |
Operating Temperature: | -40°C ~ 105°C |
Mounting Type: | Surface Mount |
Package / Case: | 28-WFQFN Exposed Pad |
Supplier Device Package: | 28-QFN (4x5) |
Base Part Number: | ISL98665 |
Description
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The region of PMIC (Power Management ICs) can be further broken down into voltage regulators, and in particular, special purpose voltage regulators. A prime example of one of these special purpose voltage regulators is the ISL98665IRTZ-T. This device, sold by Renesas, is touted as an “ultra-low power 2.5 V linear regulator”, and is primarly used in applications involving the powering of analog circuitry during power-down states.
This special IC is capable of providing up to a full 15 mA of continuous current, with a highly accurate voltage regulation of 2.5 V, which is adjusted via an external resistor. It also features an input voltage range of 2V to 3.6V and an output voltage range of 2.5 V to 3.6 V. Furthermore, the ISL98665IRTZ-T has a low quiescent current of below 1 uA when in a powered off state, and will automatically enter a power-down mode whenever the input voltage is removed.
With regards to the actual working principle of the ISL98665IRTZ-T, it utilizes a bandgap-referenced voltage regulator, which has the advantage of being able to maintain a constant and highly accurate output voltage, even when there are variations in the operating temperature. To do this, it works by comparing the output voltage with a reference voltage and then using this comparison to adjust the output voltage accordingly. This bandgap reference is quite popular among many voltage regulators, and is used on a variety of other linear and switching applications.
The ISL98665IRTZ-T is especially ideal for applications involving RF and other low-power Analog/Digital systems, like low-power AC/DC converters for efficient power management. In fact, Renesas specifically states that this device is extremely well suited for wireless communication applications such as Bluetooth and WiFi, where power saving and low power consumption are of the utmost importance.
In conclusion, the ISL98665IRTZ-T from Renesas is a popular special purpose linear regulator designed for a wide variety of applications. It features a bandgap-referenced voltage regulator for highly accurate voltage regulation, a low quiescent current, an input voltage range of 2V to 3.6V and an output voltage range of 2.5 V to 3.6 V, and is especially ideal for powering analog circuitry during power-down states. This unique IC is a perfect example of a special purpose voltage regulator and a great addition to Renesas\' PMIC family.
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