ISL9011IRMNZ

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, 0.325V @ 300mA
Voltage - Output (Max):	--
Voltage - Output (Min/Fixed):	3V, 3.3V
Voltage - Input (Max):	6.5V
Number of Regulators:	2
Output Type:	Fixed
Output Configuration:	Positive
Part Status:	Obsolete
Packaging:	Tube

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Introduction

The ISL9011IRMNZ is a linear voltage regulator from Intersil Corporation, one of the leading manufacturers of power management integrated circuits (PMICs). The device is used for general purpose voltage regulation and features a wide input voltage range, low dropout voltage (LDO), and a low quiescent current. This article will discuss the application field and working principle of the ISL9011IRMNZ.

Applications

The ISL9011IRMNZ is designed to provide an adjustable output voltage in a variety of applications. It is especially well-suited for powering automotive electronics, portable electronics, and server/data center applications. Due to its low quiescent current, it is also ideal for battery powered applications where power savings is critical.In automotive applications, the ISL9011IRMNZ can be used to power radio receivers, dashboards, navigation systems, and other automotive electronics. In portable electronics, it can be used to power portable systems such as laptop computers, tablet computers, and smartphones. In server/data center applications, the ISL9011IRMNZ can be used to power servers, routers, switches, and other network elements.

Features

The ISL9011IRMNZ has a wide input voltage range that covers from 4.5V to 36V, and an adjustable output voltage from 0.8V to 5.5V. It has a maximum output current of 500mA and a low quiescent current of 50uA. It also has short circuit protection, overvoltage protection and overcurrent protection. The device is available in a 5-pin SOT-23 package, making it fit for space-constrained applications.

Working Principle

The ISL9011IRMNZ is a linear voltage regulator. It works by reducing the input voltage to the desired output voltage. This is done by controlling an output transistor that “drops” the voltage across an external series pass element connected between the input and output.The device features an error amplifier which compares the voltage at the feedback pin to an internally set reference voltage. When the voltage at the feedback pin is higher than the reference voltage, the output transistor is turned off, reducing the current flow and thus the output voltage. When the voltage at the feedback pin is lower than the reference voltage, the output transistor is opened, increasing the current flow and raising the output voltage. This process ensures that the output voltage is always maintained at the desired level.

Conclusion

The ISL9011IRMNZ is a linear voltage regulator from Intersil Corporation that is used for general purpose voltage regulation. It has a wide input voltage range of 4.5V to 36V and an adjustable output voltage of 0.8V to 5.5V. The device is suitable for a variety of applications such as automotive electronics, portable electronics, and server/data center applications. It works by reducing the input voltage to the desired output voltage via an output transistor and an external series pass element connected between the input and output.

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