ISL9307IRTAANYZ-T

Voltage/Current - Output 3:	3.3V, 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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Introduction to ISL9307IRTAANYZ-T

The ISL9307IRTAANYZ-T is a linear and switching voltage regulator IC which is commonly used in power management integrated circuit (PMIC) designs. It is a highly integrated device that can provide up to 5A of output current, and is specifically designed for applications which require high efficiency and reliability. The device is also suitable for a wide range of industrial, automotive, communications, and mobile platforms.

Applications of ISL9307IRTAANYZ-T

The ISL9307IRTAANYZ-T is most commonly used in power management applications that require high efficiency, reduced external component count, and flexible control over an output using its integrated switching path.The most common applications for the ISL9307IRTAANYZ-T are in computing systems and embedded applications that require high efficiency, reliable operation, and specifically a wide range of output currents and adjustable voltage levels. The device is also suitable for lightweight power supplies, bus power systems, industrial processing systems, and a wide range of automotive systems such as electric vehicle charging stations.

Working Principle of ISL9307IRTAANYZ-T

The ISL9307IRTAANYZ-T utilizes a linear and switching power conversion methodology. It consists of two stages, the Linear Stage and the Switching Stage. The Linear Stage is responsible for providing a stable low-noise output voltage, while the Switching Stage allows for the efficient conversion of energy, thus increasing efficiency. The linear stage utilizes a voltage regulation loop which compares the steady, desired output voltage with the actual one. The voltage regulation loop provides a biasing voltage to the trimming MOSFET, which is then compared to the reference voltage. The difference of this comparison is then fed to the adaptive error amplifier, which adjusts the output linearly to the desired voltage. The switching stage consists of a pulse width modulation (PWM) circuit and a power switch. The PWM circuit controls the pulse width modulation which is then translated to a value for the power switch. The power switch modulates the voltage level to the efficient levels, thus increasing the overall efficiency.

Conclusion

The ISL9307IRTAANYZ-T is a linear and switching voltage regulator IC which is commonly used in power management integrated circuit (PMIC) designs. It is a highly integrated device that can provide up to 5A of output current, and is specifically designed for applications which require high efficiency and reliability. The device uses a linear and switching power conversion methodology, and can be used in a wide range of industrial, automotive, communications, and mobile platforms.

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