ISL28025FI12Z-T

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Active
Applications:	Digital Power Monitor
Voltage - Input:	0 V ~ 60 V
Voltage - Supply:	3 V ~ 5.5 V
Current - Supply:	1.3mA
Operating Temperature:	-40°C ~ 125°C
Mounting Type:	Surface Mount
Package / Case:	16-WFBGA, WLCSP
Supplier Device Package:	16-WLCSP

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<h3>Background</h3>The ISL28025FI12Z-T is a low-voltage, high-accuracy integrated power supply controller (PMIC) with an adjustable output voltage range of 0.9V to 3.6V. It is a member of the Low-voltage, High-accuracy family of Devices from Intersil. It is designed to provide robust and reliable voltage regulation for a wide range of applications, such as microprocessors, microcontrollers, digital signal processing and other power-critical, power-sensitive circuits.<h3>Applications</h3>The ISL28025FI12Z-T is designed for applications requiring high accuracy voltage regulation and wide voltage range, such as portable electronic devices, high speed microprocessors, memory, DSPs, and ASICs. It can be used for microprocessors, high-speed ADC systems, FPGA, logic circuits and embedded systems. The ISL28025FI12Z-T can be used to provide output voltage ranging from 0.9V to 3.6V. It can be used in applications requiring a wide range of voltage regulation, such as video/audio subsystems, microcontrollers, digital signal processors and analog/digital audio processing. The ISL28025FI12Z-T is capable of providing ultra-low noise and ripple performance, making it suitable for a wide range of high-end audio, video and communications applications.<h3>Features</h3>The ISL28025FI12Z-T PMIC offers a wide range of features, including an adjustable output voltage range, low quiescent current, programmable slew rate and built-in protection from over-voltage, over-current and over-temperature conditions. It also offers a high-accuracy voltage regulation loop with a programmable control bandwidth. Additionally, it offers high efficiency with synchronous rectifier operation, as well as both linear and pulse-skipping modes of operation. The ISL28025FI12Z-T also features a low-noise output, with a wide range of output load configurations to ensure optimum programming voltage and load transient response. Besides its adjustable output voltage, the ISL28025FI12Z-T also features a low standby current and a wide input voltage range of 8V to 28V. Additionally, it features a programmable soft-start time, as well as advanced current sharing and sequencing functions across multiple outputs. <h3>Working Principle</h3>The ISL28025FI12Z-T works by controlling the output voltage through an on-chip voltage loop. This voltage loop contains an oscillator, a comparator and an error amplifier, which compare the output voltage with a reference voltage and adjust the output voltage accordingly. The PMIC then adjusts the output voltage in order to provide the desired voltage level.The ISL28025FI12Z-T also features a wide range of protection features, such as over-voltage, over-current, over-temperature, and under-voltage protection. These features protect the system from damage in the event of a voltage or current disturbance. The PMIC also features programmable slew rate, short-circuit protection and programmable soft-start time.<h3>Conclusion</h3>The ISL28025FI12Z-T is a low-voltage, high accuracy PMIC with wide application field, offering robust performance with reliable protection features. It provides high-accuracy voltage regulation with a programmable control bandwidth for applications requiring a wide range of voltage regulation. Additionally, it offers high efficiency with synchronous rectifier operation, as well as both linear and pulse-skipping modes of operation. It also has other features, such as low quiescent current, programmable soft-start time, and advanced current sharing and sequencing functions across multiple outputs.

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