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- Part Number RT5035CGQW
- Manufacturer RICHTEK
- Pin Count 41
- Part Category Integrated Circuit
- Package Category Quad Flat No-Lead
- Footprint Name Quad Flat No-Lead - 40L QFN 5x5
- Released Date Apr 20, 2022
- Last Modified Date Mar 7, 2023 4:10 PM UTC
- Pinout / Pin List Click Here (Member Only)
RT5035CGQW Details
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Manufacturer Part Number:
RT5035CGQW
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Rohs Code:
Yes
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Part Life Cycle Code:
Active
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ECCN Code:
EAR99
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HTS Code:
8542.39.00.60
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Manufacturer:
Richtek Technology Corp
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YTEOL:
6
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Analog IC - Other Type:
POWER SUPPLY SUPPORT CIRCUIT
RT5035CGQW Frequently Asked Questions (FAQs)
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Richtek provides a recommended PCB layout in their application note ANI-23, which includes guidelines for thermal vias, copper pours, and component placement to minimize thermal resistance and ensure reliable operation.
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The input capacitor selection depends on the input voltage, output voltage, and output current. Richtek recommends using a low-ESR capacitor with a value between 4.7uF to 10uF, and a voltage rating of at least 1.5 times the maximum input voltage. Additionally, the capacitor should be placed as close as possible to the VIN pin to minimize noise and ripple.
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The EN pin is a digital input and should not exceed the maximum rating of 6V. Applying a voltage higher than 6V may damage the internal circuitry. It's recommended to use a voltage divider or a buffer circuit to ensure the EN pin voltage remains within the specified range.
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To ensure the RT5035CGQW operates within the specified junction temperature range, it's essential to provide adequate heat sinking, such as a thermal pad or a heat sink, and to follow the recommended PCB layout guidelines. Additionally, the device should be operated within the specified input voltage and output current ranges to minimize power dissipation.
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Richtek recommends using a low-ESR output capacitor with a value between 10uF to 22uF, and a voltage rating of at least 1.5 times the output voltage. The output capacitor should be placed as close as possible to the VOUT pin to minimize noise and ripple. A ceramic or polymer capacitor is recommended due to their low ESR and high reliability.
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