ISL9000IRJBZ-T

Current - Output:	300mA, 300mA
Base Part Number:	ISL9000
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, Under Voltage Lockout (UVLO)
Control Features:	Enable, Power On Reset
PSRR:	--
Current - Supply (Max):	52µA
Current - Quiescent (Iq):	32µA
Series:	--
Voltage Dropout (Max):	-, 0.4V @ 300mA
Voltage - Output (Max):	--
Voltage - Output (Min/Fixed):	1.5V, 2.8V
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Part Status:	Obsolete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 ISL9000IRJBZ-T is a linear voltage regulator designed to provide reliable, cost-effective and efficient power management solutions. This device is a low-dropout (LDO) voltage regulator that operates with a supply voltage of 1.5V to 5.5V, providing a regulated output voltage of 1.0V to 6.25V with ±2% accuracy. It is capable of sourcing up to 1A of current, operating at up to 10 MHz switching frequency, and offering two adjustable modes of operation and several selectable protections.

Application Fields

The ISL9000IRJBZ-T can be used as a voltage regulator in a variety of applications, including mobile devices, automotive applications, personal electronics, medical instruments, and industrial equipment. This device is particularly suitable for powering digital devices, FPGA and ASIC core voltages, and low-power RF applications, given its low quiescent current, low dropout voltage, and high efficiency. It can also be used in regulated power systems to protect against input surges, spikes, short-circuits, overtemperature and overcurrent events.

General Features

The ISL9000IRJBZ-T device offers several operational features that enable low-power designs and improved system performance. These features include:

• Low quiescent current: as low as 130 uA
• Low dropout voltage: as low as 0.3 V
• High efficiency: up to 95%
• Two adjustable modes of operation
• Protection features: over-temperature, over-current, input surge, short-circuit
• High output accuracy:±2%
• Wide input voltage range: 1.5V to 5.5V
• Output voltage range: 1.0V to 6.25V
• Output current: 1 A
• Switching frequency: up to 10 MHz

Working Principle

The ISL9000IRJBZ-T high performance LDO voltage regulator is a high-performance current-mode voltage regulator with a wide input voltage range of 1.5V to 5.5V, allowing for a large range of possible applications. The device can be used to generate a regulated output voltage of 1.0V to 6.25V.The device works by regulating the output voltage given a varying input voltage and load current. The internal control circuitry receives information from the feedback resistor divider connected to the output and compares it with a reference voltage. If the output voltage is too low, the device increases the output current in order to maintain a constant output voltage. If the output voltage is too high, the device decreases the output current in order to maintain a constant output voltage.

Conclusion

The ISL9000IRJBZ-T is a high-performance, low-dropout linear voltage regulator that is well suited for powering digital devices, FPGA and ASIC core voltages, and low-power RF applications. The device offers excellent performance in terms of low quiescent current, low dropout voltage, high efficiency, two adjustable modes of operation, and several selectable protection features. It is also capable of handling input surges, spikes, short-circuits, overtemperature and overcurrent events. The device’s wide input voltage and output voltage ranges, along with its high output accuracy, make it an ideal choice for a number of applications.

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