ISL9011IRJMZ

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):	2.8V, 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Part Status:	Obsolete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 ISL9011IRJMZ is a linear voltage regulator designed for use in computers, servers, and other embedded systems. It is a high-efficiency, low-output voltage linear regulator, ideal for applications whem load regulation and performance are primary concerns. This device includes an integrated, low-noise, step-down ( buck-mode) regulator and is capable of delivering up to 3 amps of output current.

Application Field

The ISL9011IRJMZ is designed for use in a variety of applications such as computing, servers, embedded systems, and low-power consumer electronic applications. It is an ideal voltage regulator for applications that require accurate voltage regulation and low noise operation. With the integrated buck voltage regulation, the ISL9011IRJMZ can provide stable output voltages over a wide range of input voltages. The ISL9011IRJMZ is also designed to be compatible with microprocessors and peripheral components such as DDR memory. The device features a wide input voltage range that allows the microprocessor to operate at its nominal voltage with a wide range of external voltage sources and operating conditions. Furthermore, the ISL9011IRJMZ is well-suited for use in portable devices such as tablets and smartphones. The device provides a low quiescent current, resulting in extended battery life and higher efficiency. The internal overcurrent and overtemperature protection circuits also ensure reliable operation and maintain safe device operation.

Working Principle

The ISL9011IRJMZ works by regulating the amount of current passing through an internal switch. When the input voltage is greater than the output voltage, the switch is on and the current passes through the switching circuit, accumulating energy in the form of charge on a capacitor. When the capacitor has reached a certain voltage, the switch is off and a current does not flow. This is known as the buck mode of operation, as the current is “buckled down” when the voltage reaches a certain level. This process is repeated over and over again, allowing the voltage regulator to maintain a constant output voltage regardless of changes in the input voltage. The ISL9011IRJMZ also features a number of safety and maintainability features. The device includes overcurrent protection, overtemperature protection, and thermal shutdown. It also includes an advanced output voltage control circuit that ensures accuracy and power supply stability. The ISL9011IRJMZ also features an integrated voltage supervisor circuit that monitors the output voltage and makes necessary corrections in the event of any voltage drops or surges. The supervisor keeps the output voltage constant, within the specified range. This helps to ensure proper system performance.

Conclusion

The ISL9011IRJMZ is a high-efficiency, low-output voltage linear regulator, ideal for applications where load regulation and performance are primary concerns. The device includes an integrated, low-noise, step-down ( buck-mode) regulator and is capable of delivering up to 3 amps of output current. It is well-suited for use in computing, servers, embedded systems, and low-power consumer electronic applications. It is also perfectly suited for use in portable devices such as tablets and smartphones, due to its low quiescent current. The integrated safety and maintainability features also ensure reliable operation and maintain safe device operation.

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