Description:• Operating Input Voltage Range: 2.0 V to 5.5 V
• Available in Fixed Voltage Options: 0.8 to 3.5 V
Contact Factory for Other Voltage Options
• Output Voltage Trimming Step: 2.5 mV
• Ultra−Low Quiescent Current of Typ. 10 A
• Ultra−Low Noise: 11 VRMS from 100 Hz to 100 kHz
• Very Low Dropout: 140 mV Typical at 200 mA
• ±2% Accuracy Over Full Load/Line/Temperature
• High PSRR: 68 dB at 1 kHz
The recommended PCB layout for optimal thermal performance involves placing thermal vias under the IC, using a solid ground plane, and keeping the thermal traces as short and wide as possible. A 4-layer PCB with a dedicated thermal layer is also recommended.
To ensure the device is properly biased, make sure to follow the recommended voltage and current ratings, and provide a stable input voltage within the specified range. Also, ensure that the output voltage is within the specified range and that the output current is within the maximum rating.
To prevent damage, handle the device by the body and avoid touching the pins or leads. Use an anti-static wrist strap or mat, and avoid exposing the device to extreme temperatures, humidity, or physical stress.
To troubleshoot issues, start by checking the input voltage and current, and ensure that the device is properly biased. Check for any signs of overheating, such as excessive temperature or thermal shutdown. Use an oscilloscope to check the output voltage and current waveforms, and consult the datasheet and application notes for guidance.
Yes, to minimize EMI/EMC issues, ensure that the device is placed away from noise-sensitive components, and use proper shielding and filtering techniques. Follow the recommended PCB layout and grounding practices, and consider using a common-mode choke or ferrite bead to reduce EMI emissions.
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NCP702SN28T1G Overview
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