ROHM recommends a 4-layer PCB with a solid ground plane, and to keep the input and output traces as short as possible. Additionally, it's recommended to use a 10uF capacitor between VCC and GND, and a 1uF capacitor between VIN and GND.
The QS5U26TR requires a power-up sequence of VIN followed by VCC. The VIN pin should be powered up first, and then the VCC pin. The device is initialized when both pins are powered up and the internal voltage regulator is stable.
The QS5U26TR can operate from -40°C to 125°C, but the junction temperature should not exceed 150°C. It's essential to ensure proper thermal design and heat dissipation to prevent overheating.
ROHM recommends using ESD protection devices, such as TVS diodes or ESD arrays, on the input and output pins to prevent damage from electrostatic discharge. Additionally, handling the device by the body or using an anti-static wrist strap can help prevent ESD damage.
The recommended input voltage range for the QS5U26TR is 2.7V to 5.5V. Operating the device outside of this range may affect its performance, reliability, or even cause damage.
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QS5U26TR Overview
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