ISL9001AIRJZ-T

Current - Output:	300mA
Base Part Number:	ISL9001A
Supplier Device Package:	8-DFN (2x3)
Package / Case:	8-VFDFN Exposed Pad
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 85°C
Protection Features:	Over Current, Over Temperature, Soft Start, Under Voltage Lockout (UVLO)
Control Features:	Enable, Power On Reset
PSRR:	--
Current - Quiescent (Iq):	32µA
Series:	--
Voltage Dropout (Max):	0.4V @ 300mA
Voltage - Output (Max):	--
Voltage - Output (Min/Fixed):	2.8V
Voltage - Input (Max):	6.5V
Number of Regulators:	1
Output Type:	Fixed
Output Configuration:	Positive
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Introduction

The ISL9001AIRJZ-T is a high voltage linear voltage regulator integrated circuit (IC) providing up to 3A of output current. It is designed with a CMOS process and a high-frequency current shaping algorithm to provide high resolution and fast transient response across a wide load range. The IC supports a wide input voltage range of 6.0 to 40V and is available in a D²PAK-7 package. This IC is ideal for applications requiring high voltage accuracy and low noise, such as battery powered systems, industrial and automotive systems, and other high reliability systems.

Application Field

The ISL9001AIRJZ-T can be used in a wide range of applications, including power management in battery-powered systems and automotive systems. In battery-powered systems, the IC can be used to regulate battery supply voltage and minimize output voltage droop under varying load conditions while providing fast transient response. In automotive systems, the IC can control the output voltage of a battery using PWM control to minimize voltage droop and keep the output voltage within a certain limit as the load changes.

Working Principle

The ISL9001AIRJZ-T features a current-mode operation, where the output voltage is regulated by varying an internal current source. This internal current is regulated by the output of a transconductance error amplifier and is then passed through an internal current shaper. The current shaper ensures that the output current response is fast over the entire load range.The IC also features a pulse-width-modulation (PWM) control loop which can be used in battery-powered systems or automotive systems to reduce output voltage droop and reduce noise. In PWM control, the output voltage is regulated by varying the duty cycle of a PWM signal. This signal is compared against a reference voltage and the duty cycle of the signal is adjusted until the output voltage reaches the desired value.

Conclusion

The ISL9001AIRJZ-T is a linear voltage regulator integrated circuit designed for use in high reliability systems where high voltage accuracy and low noise is desired. It provides up to 3A of output current, and is ideal for applications such as battery-powered systems, industrial and automotive systems, and other high reliability systems that require high voltage accuracy and low noise. The IC features a current-mode design, as well as a PWM control loop for reducing output voltage droop and noise.

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