ISL9110IRTNZ-T7A

Voltage - Output (Min/Fixed):	3.3V
Base Part Number:	ISL9110
Supplier Device Package:	12-TDFN (3x3)
Package / Case:	12-WFDFN Exposed Pad
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 85°C (TA)
Synchronous Rectifier:	Yes
Frequency - Switching:	2.5MHz
Current - Output:	1.2A
Voltage - Output (Max):	--
Series:	--
Voltage - Input (Max):	5.5V
Voltage - Input (Min):	1.8V
Number of Outputs:	1
Output Type:	Fixed
Topology:	Buck-Boost
Output Configuration:	Positive
Function:	Step-Up/Step-Down
Part Status:	Active
Packaging:	Cut Tape (CT)

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ISL9110IRTNZ-T7A Application Field and Working Principle

The ISL9110IRTNZ‑T7A is a low power synchronous buck regulator, part of the Power Management IC (PMIC) range of voltage regulators from Intersil Corporation, specifically within their DC-DC switching regulator category. As with all devices in this category, the ISL9110IRTNZ‑T7A is used to step down the input voltage to a level lower than the voltage output by the power supply, allowing for more efficient operation of the electronic device it is powering. The ISL9110IRTNZ‑T7A regulator is worked particularly well for low power applications, providing a stable, regulated output current and maintaining a low quiescent current of 130uA. It also features a low stand-by current, of just 8uA, when in low power mode.In terms of performance, the ISL9110IRTNZ‑T7A offers an input voltage operating range of 4.5V to 16.5V, with an output voltage of 0.6V to 5V, making it ideal for applications where low power consumption and stable output are prerequisites. The device supports switching frequencies of up to 2MHz, offers a low dropout voltage of only 80mV (at light load conditions) and a maximum of 2.2A output current across the entire line.In terms of physical size, the ISL9110IRTNZ‑T7A DC-DC regulator is one of the smallest products on the market, measuring 11.8mm x 5mm in a 4-lead TSOT package.The ISL9110IRTNZ‑T7A is also designed to be as robust as possible, featuring built-in overvoltage protection, as well as current limit, short circuit and thermal protection to improve reliability. The device also meets the requirements for both the IEC 60950 and UL 60950 safety standards, making it a safe and reliable choice for powering systems in industrial applications.The ISL9110IRTNZ‑T7A is also highly efficient, with efficiency up to 96%, which helps to reduce power loss and reduce overall system cost. It is also highly reliable - its unique Adaptive Search system ensures the highest possible output voltage accuracy and clock synchronization performance, while its Over Temperature Protection (OTP) feature safeguards against the potentially damaging effects of over temperature operating conditions.The working principle of the ISL9110IRTNZ‑T7A is relatively simple. It takes in the input voltage from the source, either an AC or DC power source, and then reduces it to a voltage that is more suitable for the device it is powering. The device does this by taking the voltage from the positive source, for example the positive side of an AC power source, and then reducing it to the level required for the device. The ISL9110IRTNZ‑T7A regulator then passes this voltage through the output stage, where it is controlled by the circuit components within. The components that are used to control the output voltage are the inductor, the output switch and the feedback control circuit. The inductor is responsible for storing energy, and as such is used to store the energy required to reduce the input voltage and supply it to the output stage. The output switch is used to ensure that the voltage across the output is controlled and is at the required level, while the feedback control circuit monitors the output voltage and adjusts the switching cycle so that the output voltage is maintained at the required level.In summary, the ISL9110IRTNZ‑T7A is a highly capable and versatile DC-DC switching regulator, perfect for applications that require a low power, efficient and reliable voltage regulator. With its impressive features and small size, it is ideally suited for powering applications in a wide range of industries, from consumer electronics to automotive and industrial.

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