ISL95838IRTZ-T

Series:	Robust Ripple Regulator™ (R3)
Packaging:	Tape & Reel (TR)
Part Status:	Obsolete
Applications:	Controller, Intel IMVP-7, VR12™
Voltage - Input:	4.75 V ~ 25 V
Number of Outputs:	2
Voltage - Output:	0.25 V ~ 1.52 V
Operating Temperature:	-40°C ~ 85°C
Mounting Type:	Surface Mount
Package / Case:	40-VFQFN Exposed Pad
Supplier Device Package:	40-TQFN (5x5)
Base Part Number:	ISL95838

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Introduction

The ISL95838IRTZ-T is a special purpose voltage regulator that has been designed for automotive applications, such as EV powertrains, Motor Starter System, Electronic Throttle Control Actuators, electric power steering, Hybrid Battery Chargers and many more. It is a three-terminal device with two ground terminals, an enable pin and a fixed output voltage.It provides excellent power supply transient performance, overvoltage protection, thermal shutdown protection, over-current protection and output voltage regulation making it an ideal choice for those applications where a clean, high power supply demands. It is offered in a qFN package that helps reduce the overall cost and size of the system.

Features

The ISL95838IRTZ-T is a special purpose voltage regulator that offers some of the following features: - Input voltage range of 4.5V to 28V- Output voltage range of 2.5V to 24V- Maximum output current of 15A- Overcurrent protection- Overvoltage protection- Thermal shutdown protection- Low output voltage ripple- Fast transient response- Enable pin for voltage control- Built-in reverse current protection

Application Fields

The ISL95838IRTZ-T is mainly used in automotive applications such as EV powertrains, Motor Starter System, Electronic Throttle Control Actuators, electric power steering, Hybrid Battery Chargers, Low Voltage Power Systems, RF Power Amplifiers and many more. The popularity of this device is mainly due to its fast transient response, controlled output voltage value, overvoltage protection, thermal shutdown protection and its efficient reverse current protection. Its effective power delivery and minimal power losses make it an ideal choice for those applications that require high continuous output current.Moreover, its low input voltage requirement of 4.5V and maximum output voltage of 24V makes it suitable for various automotive systems.

Working Principle

The ISL95838IRTZ-T works based on open-loop voltage control, which means that it can only regulate the output voltage to a certain ratio set by the enable pin. The pin acts as an “on/off” switch that regulates the output voltage of the device.When the enable pin is turned on, the current flows through the device and is regulated by the outputs. This regulated output voltage is then fed to the load, where it is further regulated.The device also offers overcurrent protection, overvoltage protection, thermal shutdown protection and output voltage regulation, which all help to ensure that the device is operating safely and efficiently.

Conclusion

To conclude, the ISL95838IRTZ-T is a special purpose voltage regulator designed for automotive applications such as EV Powertrain, Motor Starter System, Electronic Throttle Control Actuators and many more. It offers fast transient response, controlled output voltage, overvoltage protection, thermal shutdown protection, reverse current protection and other features that makes it an ideal choice for those applications that require clean and high power supply.

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