ISL9307IRTAAJYZ-T

Voltage/Current - Output 3:	2.8V, 300mA
Base Part Number:	ISL9307
Supplier Device Package:	16-TQFN (4x4)
Package / Case:	16-WQFN Exposed Pad
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 85°C
Voltage - Supply:	1.5 V ~ 5.5 V
w/Sequencer:	No
w/Supervisor:	No
w/LED Driver:	No
Series:	--
Voltage/Current - Output 2:	0.8 V ~ 5.5 V, 1.5A
Voltage/Current - Output 1:	0.8 V ~ 5.5 V, 1.5A
Frequency - Switching:	3MHz
Number of Outputs:	4
Function:	Any Function
Topology:	Step-Down (Buck) Synchronous (2), Linear (LDO) (2)
Part Status:	Active
Packaging:	Tape & Reel (TR)

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The ISL9307IRTAAJYZ-T, or IRT-T, is a Insulated Rail-to-Rail (IRR) Thin Film Power MOSFET (MOSFET) Series voltage regulator with a wide range of operating temperature and an adjustable supply voltage. It is designed for industrial and automotive applications, offering extremely low quiescent current, low off-current, high efficiency and low switching losses. This article will discuss the application field and working principle of the IRT-T series. Application FieldThe IRT-T series is designed for voltage regulation in industrial and automotive applications. It offers adjustable output voltage, low quiescent current, and low off-current, which makes it ideal for applications that require high efficiency and low switching losses. In industrial applications, the IRT-T can be used for regulating the current in, for example, variable frequency drives, inverters, UPS systems, and control systems. The IRT-T’s wide operating temperature range makes it an ideal choice for automotive applications, such as ECU-controlled engines, electric power steering, HVAC systems, and braking systems. Working PrincipleThe IRT-T series is composed of a N-Channel MOSFET that is operated in linear mode, allowing for high efficiency and low switching losses. When the power supply is switched on, the MOSFET is biased via a constant current source. This bias current is then regulated by a voltage comparator, which ensures a constant output voltage. The output voltage can be adjusted by changing the bias current. The output voltage can also be monitored by an onboard voltage monitor. The IRT-T also has a low off-current mode for increased efficiency. When the output voltage drops below a certain level, the MOSFET is turned off, resulting in low current consumption in the standby mode. The IRT-T also has a unique feature that allows it to automatically adjust its output voltage to match the input voltage. This makes it ideal for applications where the input voltage may change, such as varying loads. Furthermore, the IRT-T is designed with a temperature compensation feature, which ensures the output voltage remains stable, even in high-temperature environments. In conclusion, the IRT-T is a high-performance, low-power voltage regulator suitable for industrial and automotive applications. It offers adjustable output voltage, low standby power consumption, and wide operating temperature range, making it an ideal choice for many applications.

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