Description:The ISL6520A makes simple work out of implementing a complete control and protection scheme for a DC/DC stepdown converter. Designed to drive N-Channel MOSFETs in a synchronous buck topology, the ISL6520A integrates the control, output adjustment, monitoring and protection functions into a single 8 Lead package. The ISL6520A provides simple, single feedback loop, voltage-mode control with fast transient response. The output voltage can be precisely regulated to as low as 0. 8V, with a maximum tolerance of ±
The recommended PCB layout for optimal performance involves keeping the input and output capacitors close to the IC, using a solid ground plane, and minimizing the length of the traces between the IC and the capacitors. Additionally, it's recommended to use a separate power plane for the input and output voltages.
To ensure the stability of the output voltage, it's recommended to use a minimum output capacitance of 10uF, and to choose a capacitor with a low ESR (Equivalent Series Resistance). Additionally, the output voltage can be further stabilized by adding a small ceramic capacitor (e.g. 1uF) in parallel with the main output capacitor.
The maximum input voltage that can be applied to the ISL6520ACBZ-T is 18V. However, it's recommended to operate the IC within the recommended input voltage range of 7V to 15V for optimal performance and reliability.
The output voltage ripple can be calculated using the following formula: ΔVout = (Iout * ESR) / (f * C), where Iout is the output current, ESR is the equivalent series resistance of the output capacitor, f is the switching frequency, and C is the output capacitance.
The thermal derating of the ISL6520ACBZ-T is 1.5°C/W, which means that the IC's power dissipation should be derated by 1.5°C/W above the maximum operating temperature of 125°C.
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
ISL6520ACBZ-T Overview
Use the download button to access the ISL6520ACBZ-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 ISL65,
or try a keyword search, such as Switching Regulator or Controllers
