ISL78302ARBNZ-T7A

Current - Output:	300mA, 300mA
Supplier Device Package:	10-DFN (3x3)
Package / Case:	10-VFDFN Exposed Pad
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 105°C
Protection Features:	Over Current, Over Temperature
Control Features:	Enable, Power On Reset
PSRR:	64dB ~ 38dB (1kHz ~ 100kHz), -
Current - Supply (Max):	55µA
Current - Quiescent (Iq):	36µA
Series:	Automotive, AEC-Q100
Voltage Dropout (Max):	-, 0.3V @ 300mA (Typ)
Voltage - Output (Max):	--
Voltage - Output (Min/Fixed):	1.5V, 3.3V
Voltage - Input (Max):	6.5V
Number of Regulators:	2
Output Type:	Fixed
Output Configuration:	Positive
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Introduction to ISL78302ARBNZ-T7A

The ISL78302ARBNZ-T7A is a Linear Voltage Regulator (LVR) made by Intersil, a large semiconductor and integrated circuit manufacturer. The ISL78302ARBNZ-T7A is designed for applications requiring supply voltages up to 36V, with a maximum output current of 250mA and a total power dissipation of 500mW. This makes the ISL78302ARBNZ-T7A ideal for applications such as board mounted power supplies, embedded systems, and signal conditioning.

Features of the ISL78302ARBNZ-T7A

The ISL78302ARBNZ-T7A features a wide input voltage range from 3.3V to 36V, allowing for high flexibility in power supply design for many different applications. With its integrated Power-on-Reset circuit and overcurrent protection, it is capable of delivering constant output voltage with excellent current regulation, while remaining highly reliable. Additionally, it can deliver low output noise, making it an ideal choice for noise-sensitive applications. Due to the low drop-out voltage, the ISL78302ARBNZ-T7A is able to provide stable output voltages even when the input voltage fluctuates. This makes it suitable for high-power applications where the input voltage can fluctuate, such as battery-powered systems, or systems using AC power sources. The ISL78302ARBNZ-T7A features an adjustable output voltage range, allowing for the design of power supplies with a wide array of output voltages. This feature can be beneficial for applications that require output voltages that are not fixed, such as board-mounted power supplies.Finally, the ISL78302ARBNZ-T7A is protected against thermal shutdown, allowing for maximum heat dissipation in high power applications.

Applications of the ISL78302ARBNZ-T7A

The ISL78302ARBNZ-T7A\'s high performance and wide applications range make it ideal for a variety of applications. Its wide input voltage range and ability to provide a constant output voltage with excellent current regulation make it well suited for board-mounted power supplies, embedded systems, signal conditioning, and other application where a stable power supply is needed.The low drop-out voltage and its adjustable output voltage range make it suitable for applications where input voltage fluctuates, such as battery-powered systems and systems using AC power sources. Furthermore, its low output noise makes it a great choice for any application where noise sensitivity is a critical factor.

Working Principle of the ISL78302ARBNZ-T7A

The ISL78302ARBNZ-T7A consists of a linear voltage regulator, which consists of an internal voltage reference, an error amplifier, and an output driver stage.When the load current draws from the output of the LVR, the output voltage will begin to drop if it is unregulated. The error amplifier then compares the output voltage to the reference voltage and produces a control signal to the output stage. This signal causes the output stage to increase the current to the load, restoring the output voltage to its original values. The ISL78302ARBNZ-T7A also includes an integrated POR circuit to ensure that the device is not turned on until the input voltage reaches the specified start up voltage. This prevents the output voltage from being driven to an uncontrolled level before the device is powered up.

Conclusion

The ISL78302ARBNZ-T7A is a highly reliable and efficient linear voltage regulator, designed for a wide range of applications. Its wide input voltage range and adjustable output voltage range make it ideal for board-mounted power supplies, embedded systems, and noise-sensitive applications. Furthermore, its low drop-out voltage and integrated POR circuit make it suitable for applications where the input voltage can fluctuate. The ISL78302ARBNZ-T7A is an ideal choice for any application that requires a stable power supply.

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