ISL78302AARPLZ-T

Current - Output:	300mA, 300mA
Base Part Number:	ISL78302A
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:	--
Current - Supply (Max):	55µA
Current - Quiescent (Iq):	36µA
Series:	Automotive, AEC-Q100
Voltage Dropout (Max):	-, 0.23V @ 300mA (Typ)
Voltage - Output (Max):	--
Voltage - Output (Min/Fixed):	1.85V, 2.9V
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

The ISL78302AARPLZ-T is a linear voltage regulator that is specifically designed for power management of automotive systems. It is one of the many solutions from Intersil that are optimized for use in the automotive market. It provides an efficient, cost effective and highly reliable solution for both DC/DC and AC/DC voltage regulation. The part includes a programmable Enable and two Fault Flags that help the user to configure and monitor the system. All of this results in an extremely power efficient design.

Overview

The ISL78302AARPLZ-T is a 4-channel linear voltage regulator with programmable enable and two fault flags. It offers excellent performance, stability, and power efficiency in both DC and AC powered applications. The feature set of this part helps improve system performance while delivering high MTBF and low component cost. Two enable pins are provided in order to enable or disable the power outputs. The IISL78302AARPLZ-T supports a wide input voltage range of 4.2V to 16V, and can provide up to 6A continuous current on each of its supply outputs.The ISL78302AARPLZ-T includes two fault flags, the IISL78302AARPLZ-F_FLT_1 and the IISL78302AARPLZ-F_FLT_2. These flags are used to monitor system faults and can be used to inform the user when a fault has occurred. The ISL78302AARPLZ-T also includes a programmable UVLO, thermal shutdown, and over-temperature shutdown features.

Applications

The ISL78302AARPLZ-T is well-suited for a wide range of automotive applications, including powertrain, infotainment, safety, and driver assistance systems. Its wide input voltage range and low output drop make it a good choice for powering automotive subsystems that require reliable, power efficient, and cost-effective solutions. It can be used in a variety of different voltage regulation applications, such as voltage converters and voltage dividers, as well as in systems that require a low noise and ripple.

Advantages

The ISL78302AARPLZ-T offers a number of advantages over other linear voltage regulator solutions. The part has an extremely low quiescent current, which helps to reduce system power consumption and improve efficiency. The wide input voltage range and low output drop allow for flexible voltage regulation and power efficiency. The two fault flags make it easier for users to monitor and identify any faults in the system. Additionally, the programmable enable and thermal protection features further reduce the risk of system failure and make the device more reliable.

Working Principle

The ISL78302AARPLZ-T is a linear voltage regulator that works on the principle of creating a constant voltage across a load by dropping or increasing the input voltage. When the load voltage is higher than the input voltage, the part increases the current by boosting the input voltage, while when the load voltage is lower than the input voltage, the part decreases the current by dropping the input voltage.The part also uses two fault flags to monitor the system for fault conditions. When a fault occurs, the flags are set and an output signal is generated to indicate that a fault has occurred. This helps the user to quickly diagnose and resolve any issues with the system.

Conclusion

The ISL78302AARPLZ-T is an efficient, reliable, and cost-effective linear voltage regulator for power management in automotive systems. It offers excellent performance, stability, and power efficiency in both DC and AC powered applications. Its wide input voltage range, low output drop, programmable enable, and two fault flags help to improve system performance and reliability, while reducing cost.

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