Description:Medium Wide Emission Angle, 50°; Orange stripe on the top side; Chip material = AlGaAs; Matched Photosensor: QSE113; Package Material: Clear Epoxy; Package type: Sidelooker; l = 880nm; High Output Power
A good PCB layout for the QEE122 involves keeping the input and output traces separate, using a ground plane, and placing the device close to the power source. Additionally, using a shielded inductor and keeping the switching node (SW) away from sensitive nodes can help reduce EMI.
The inductor value depends on the input voltage, output voltage, and desired switching frequency. A good starting point is to use the inductor value recommended in the datasheet, and then adjust based on the specific application requirements. A higher inductor value can reduce ripple current, but may increase the size and cost of the inductor.
The QEE122 is rated for operation from -40°C to 150°C, but the maximum ambient temperature range depends on the specific application and cooling conditions. It's recommended to derate the device's power dissipation based on the ambient temperature to ensure reliable operation.
Yes, the QEE122 is qualified for automotive and high-reliability applications. It meets the AEC-Q100 standard for automotive grade devices and is suitable for use in harsh environments. However, additional testing and validation may be required for specific applications.
To ensure stable operation, the QEE122 requires a proper bias voltage on the EN pin. A voltage divider or a dedicated bias voltage source can be used to provide the required 2.5V to 5.5V bias voltage. Additionally, the input voltage should be within the recommended range, and the output voltage should be properly regulated.
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QEE122 Overview
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