ISL6522BIRZ-T

Frequency - Switching:	200kHz
Base Part Number:	ISL6522B
Supplier Device Package:	16-QFN-EP (5x5)
Package / Case:	16-VQFN Exposed Pad
Operating Temperature:	-40°C ~ 85°C (TA)
Control Features:	Enable, Frequency Control, Phase Control, Soft Start
Serial Interfaces:	--
Clock Sync:	No
Synchronous Rectifier:	Yes
Duty Cycle (Max):	100%
Series:	--
Voltage - Supply (Vcc/Vdd):	10.8 V ~ 13.2 V
Output Phases:	1
Number of Outputs:	1
Topology:	Buck
Output Configuration:	Positive
Function:	Step-Down
Output Type:	Transistor Driver
Part Status:	Active
Packaging:	Tape & Reel (TR)

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The ISL6522BIRZ-T is a DC-DC switching controller, designed to provide high efficiency, excellent line and load regulation, and superior thermal protection. It is an ideal device for a wide range of applications, including mobile devices, datacom, telecom, industrial, and automotive applications.The ISL6522BIRZ-T features an adjustable single-phase synchronous buck controller, with a wide range of operating input voltages from 2.5V to 5.5V. It is capable of operating with supply voltages up to 5.5V and includes an integrated dual-channel FET driver with separate external power-on control and open-drain output. The device also includes integrated soft-start and over-temperature protection, as well as short-circuit protection.The ISL6522BIRZ-T also features a fast on-time adjust pin and an adjustable PWM frequency pin, allowing for easy optimization of system performance.The device also includes a bootstrap operation, allowing it to drive both high-side and low-side N-channel MOSFETs, and it has an integrated spike-free load switch for generating load ramps with minimal overshoots.The ISL6522BIRZ-T’s performance is optimized for supply voltages of up to 5.5V, which makes it ideal for applications requiring high efficiency and excellent line/load regulation. The device also features a low Shutdown quiescent current of 550nA, making it ideal for battery powered applications.In addition to its excellent performance, the ISL6522BIRZ-T offers several protection features to ensure longevity, such as hysteresis feedback, over-temperature protection, and driver protection against overvoltages and short circuits. The device also has an adjustable soft start/stop ramp, allowing users to optimize system performance and minimize output fluctuations.The ISL6522BIRZ-T is available in a space-saving, low-profile (1.1mm max) 12L-DFN package and incorporates a variety of advanced technologies to ensure reliability and excellent performance. This device is suitable for mobile applications in a wide range of voltage regulators, DC-DC switches, and motor driver applications, and is ideal for applications requiring high efficiency and reliability within a limited power budget.

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