ROHM recommends a compact PCB layout with short traces and minimal vias to reduce parasitic inductance and capacitance. A 4-layer PCB with a solid ground plane is recommended. Additionally, place the input and output capacitors close to the IC and use a thermal relief pattern for the GND pin.
To ensure stability, follow the recommended component values and PCB layout. Additionally, ensure that the input and output capacitors have a low ESR (Equivalent Series Resistance) and are placed close to the IC. Also, avoid using long traces and vias, and keep the feedback loop as short as possible.
The maximum ambient temperature for reliable operation is 85°C. However, the device can operate up to 125°C with derating. It's essential to consider the thermal design and ensure proper heat dissipation to maintain reliable operation.
Yes, the VS3V3BL1HST15R is AEC-Q100 qualified, making it suitable for automotive applications. Additionally, ROHM offers a high-reliability version, the VS3V3BL1HST15RH, which is designed for high-reliability applications.
ROHM recommends using a 10uF to 22uF ceramic capacitor with an X5R or X7R dielectric for the input capacitor. This ensures stable operation and minimizes the risk of oscillation.
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VS3V3BL1HST15R Overview
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