Description:Adaptor; Overload Protection (OLP) ; Over Voltage Protection (OVP) ; SMPS for LCD Monitor and STB ; Advanced Burst-Mode Operation Consumes Under 1 Watt at 240VAC&0.5W Load ; Built-in Soft-Start <B>Application</B> ; Auto-Restart Mode ; Improved Pulse-by-Pulse Current Limiting ; Under Voltage Lockout (UVLO) with Hysteresis ; Internal Thermal Shutdown Function (TSD) ; Internal Avalanche Rugged Sense FET ; Internal Start-up Circuit ; Low Operating Current (2.5mA) ; Precision Fixed Operating Frequency (66kHz)
A thermal pad is recommended under the package to improve heat dissipation. A minimum of 2oz copper thickness and a thermal relief pattern are suggested. Refer to the onsemi application note AND9173/D for more details.
The FSDM0565REWDTU requires a stable input voltage (VIN) and a bypass capacitor (CBYP) to ensure proper biasing. A 10uF ceramic capacitor is recommended for CBYP, and VIN should be decoupled with a 1uF capacitor.
The enable pin (EN) has a maximum allowed voltage of 6V, which is higher than the recommended operating voltage of 5V. However, it's essential to ensure the EN pin voltage does not exceed 6V to prevent damage to the device.
The FSDM0565REWDTU is rated for operation up to 150°C junction temperature. However, the device's performance and reliability may degrade at high temperatures. It's essential to ensure proper thermal management and consider derating the device's specifications at elevated temperatures.
To troubleshoot output voltage regulation issues, check the input voltage, output voltage, and enable pin voltage. Ensure the input voltage is within the recommended range, and the enable pin is properly biased. Also, verify the output voltage is within the specified range and that the device is not overheating.
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FSDM0565REWDTU Overview
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