Description:The ISL9122A is a highly integrated non-inverting buck-boost switching regulator that accepts input voltages both above or below the regulated output voltage. It features an extremely low quiescent current consumption of 1300nA in Regulation mode, 120nA in Forced Bypass mode, and 8nA in Shutdown mode. It provides 84% efficiency at 10µA load (VIN = 3.6V, VOUT = 3.3V) and has a peak efficiency greater than 97%. It supports input voltages from 1.8V to 5.5V.The ISL9122A has automatic bypass functionality for si
A good PCB layout for the ISL9122AIINZ-T involves keeping the input and output capacitors close to the device, using a solid ground plane, and minimizing the length of the traces between the device and the capacitors. Additionally, it's recommended to use a 4-layer PCB with a dedicated power plane and a dedicated ground plane.
To ensure the stability of the output voltage, it's essential to choose the right output capacitor value and type. A minimum capacitance of 10uF is recommended, and the capacitor should have a low ESR (Equivalent Series Resistance) to minimize voltage ripple. Additionally, the output voltage can be stabilized by adding a small ceramic capacitor (e.g., 1uF) in parallel with the main output capacitor.
The ISL9122AIINZ-T can handle a maximum input voltage of 5.5V. Exceeding this voltage may damage the device. It's essential to ensure that the input voltage remains within the recommended operating range to ensure the device's reliability and performance.
The power dissipation of the ISL9122AIINZ-T can be calculated using the following formula: Pd = (Vin - Vout) x Iout, where Vin is the input voltage, Vout is the output voltage, and Iout is the output current. It's essential to ensure that the device's power dissipation remains within the recommended operating range to prevent overheating and ensure reliability.
The ISL9122AIINZ-T is a high-power device, and proper thermal management is crucial to ensure its reliability. It's recommended to use a thermal pad or a heat sink to dissipate heat away from the device. The thermal pad should be connected to a solid ground plane to ensure effective heat dissipation.
Trust Checks
This model has been built in collaboration with the manufacturer.
Manufacturer Collaborated
This model has been verified by system checks.
System Verified
This model has been reviewed by community users.
Community Approved
Sponsored
ISL9122AIINZ-T Overview
Use the download button to access the ISL9122AIINZ-T schematic symbol, PCB footprint, and 3D model.
To find more CAD model downloads similar to this part, try a partial part number search, like ISL91,
or try a keyword search, such as Switching Regulator or Controllers
Suggested Parts
If you searched for ISL9122AIINZ-T, you might also be interested in these parts:
