ISL9011IRGPZ-T

Current - Output:	150mA, 300mA
Base Part Number:	ISL9011
Supplier Device Package:	10-DFN (3x3)
Package / Case:	10-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
PSRR:	--
Current - Supply (Max):	60µA
Current - Quiescent (Iq):	40µA
Series:	--
Voltage Dropout (Max):	0.2V @ 150mA, 0.5V @ 300mA
Voltage - Output (Max):	--
Voltage - Output (Min/Fixed):	2.7V, 1.85V
Voltage - Input (Max):	6.5V
Number of Regulators:	2
Output Type:	Fixed
Output Configuration:	Positive
Part Status:	Obsolete
Packaging:	Tape & Reel (TR)

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Introduction

The ISL9011IRGPZ-T is a Linear Voltage Regulator (LVR) from Intersil that is designed to provide a precise voltage output with excellent regulation and minimal noise. It is suitable for applications such as power management, computer power supplies, automotive, and industrial systems. The ISL9011IRGPZ-T offers very good accuracy while minimizing the quiescent current. This device features a comprehensive set of protection features, such as overcurrent protection, thermal shut down, and overvoltage protection. The ISL9011IRGPZ-T is available in a compact SOT-223 package.

Application Field

The ISL9011IRGPZ-T is designed to be used in a wide range of applications, such as notebooks, desktops, and power management systems. This chip can replace large, inefficient linear regulators and delivers high efficiency, as well as improved energy efficiency. It can also handle high-current loads up to 2A, making it suitable for applications in automotive, industrial, and medical fields.The ISL9011IRGPZ-T is especially well-suited for use in applications such as distributed power systems, where it can provide the required current density, excellent thermal performance, and very low noise operation. It can be used in a system to provide a regulated voltage for many of the components, such as logic ICs, A/D converters, transceivers, and other peripheral devices. In addition, the ISL9011IRGPZ-T can be used to add power supply protection to protect against short circuits, over-voltage, and over-temperature conditions.

Working Principle

The ISL9011IRGPZ-T uses a precision voltage reference to provide an internal reference voltage. This reference voltage is compared with the voltage drop across a sense resistor to control the output voltage. The output of the ISL9011IRGPZ-T is set using a single feedback voltage which is applied to the non-inverting input of the comparator. The voltage reference sets the voltage difference in order to regulate the output voltage. The ISL9011IRGPZ-T has an adjustable overcurrent protection circuit which is set using an external sense resistor and the current sense amplifier. The protection circuit will shut down the ISL9011IRGPZ-T if the current sense voltage exceeds a predetermined level. The ISL9011IRGPZ-T also includes a thermal shut down circuit with a hysterisis of 17˚C. This circuit is enabled by an internal temperature sensor. The circuit will shut down the ISL9011IRGPZ-T until the temperature decreases to a safe level.

Conclusion

The ISL9011IRGPZ-T is a Linear Voltage Regulator that is designed to provide excellent regulation and minimal noise. It is suitable for applications such as power management, computer power supplies, automotive, and industrial systems and can handle high-current loads up to 2A. The ISL9011IRGPZ-T offers excellent accuracy, high current density, and low noise operation. It has comprehensive protection features, such as overcurrent protection, thermal shut down, and overvoltage protection. This makes the ISL9011IRGPZ-T suitable for use in many different applications and for providing reliable power supply protection.

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