ISL78302ARFWZ

Current - Output:	300mA, 300mA
Base Part Number:	ISL78302
Supplier Device Package:	10-DFN (3x3)
Package / Case:	10-VFDFN Exposed Pad
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 105°C
Protection Features:	Over Current, Over Temperature
Control Features:	Enable, Power On Reset
PSRR:	--
Current - Supply (Max):	55µA
Current - Quiescent (Iq):	36µA
Series:	Automotive, AEC-Q100
Voltage Dropout (Max):	-, 0.3V @ 300mA (Typ)
Voltage - Output (Max):	--
Voltage - Output (Min/Fixed):	1.2V, 2.5V
Voltage - Input (Max):	6.5V
Number of Regulators:	2
Output Type:	Fixed
Output Configuration:	Positive
Part Status:	Active
Packaging:	Tube

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ISL78302ARFWZ Application Field and Working PrincipleThe ISL78302ARFWZ is a high-performance Synchronous Buck voltage regulator designed to provide a regulated output voltage between 0.6 V and 4.5 V with minimal external components. This device is a voltage regulator that is designed for use in applications with higher current requirements, such as processors and FPGAs.The ISL78302ARFWZ regulator can support up to 19A of output current. It contains a 6-bit PWM digital input control to provide excellent dynamic load performance and output accuracy. It also has built-in slew rate control and current-limit protection for added circuit protection. Its precision on-chip voltage reference ensures accurate output voltage regulation and maintains high level of power efficiency throughout its operating range.Application FieldThe ISL78302ARFWZ regulator is suitable for a variety of applications including processors, FPGAs, DSPs, graphic cards, gaming consoles and electronic equipment requiring regulated voltage in the 0.6 V to 4.5 V range. It is also suitable for various DC/DC application such as communication power, industrial power and system power applications.Working PrincipleThe ISL78302ARFWZ regulator is a synchronous buck regulator which provides a regulated output voltage from 0.6 V to 4.5 V with minimal external components. This device uses an on-chip Pulse Width Modulation (PWM) control to convert a DC input voltage to a regulated output voltage. The PWM uses an internal oscillator to control the on/off time of an internal switch so that the output voltage can be regulated accurately. The peak-current-mode control ensures a regulated output voltage even under light or heavy load conditions.The ISL78302ARFWZ regulator ensures a high level of efficiency thanks to its low quiescent current (<5µA) and high efficiency (up to 97%) over the entire output voltage range. It also comes with built-in over-current protection, over-temperature protection, and inrush current limitation which ensures reliable operation of the regulator circuit. The ISL78302ARFWZ is a highly-integrated, easy-to-use synchronous buck regulator which can effectively provide a regulated output voltage with minimal external components. Its high-efficiency, low quiescent current, and robust protections make it an ideal choice for a variety of industrial applications.

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