Description:Built-in Soft-Start and Startup Circuit; Pulse-by-Pulse Current Limiting; <120 mW at 230 VAC without External Bias; Adjustable Peak Current Limit; Fixed Operating Frequency: 50 kHz ; No Need for Auxiliary Bias Winding; Various Protections: Overload Protection (OLP), Over-Voltage Protection (OVP), Feedback Open-Loop Protection (FB_OLP), Thermal Shutdown (TSD); Built-in Avalanche-Rugged SenseFET: 650 V; No-Load Power Consumption: ; <25 mW at 230 VAC with External Bias; ; Frequency Modulation for Attenuating E
A good PCB layout for the FSL336LRN involves keeping the input and output traces separate, using a solid ground plane, and minimizing the length of the input traces. It's also recommended to use a 4-layer PCB with a dedicated power plane and a dedicated ground plane.
To ensure proper biasing, connect the VCC pin to a stable 5V power supply, and the GND pin to a solid ground plane. The EN pin should be tied to VCC for normal operation, and the FB pin should be connected to a resistive divider to set the output voltage.
The FSL336LRN can handle input voltages up to 18V, but it's recommended to keep the input voltage below 15V for optimal performance and reliability.
The output voltage of the FSL336LRN can be calculated using the formula: Vout = 1.23 x (R1 + R2) / R2, where R1 and R2 are the resistors in the feedback network.
The FSL336LRN can deliver up to 3A of output current, but it's recommended to keep the output current below 2.5A for optimal performance and reliability.
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FSL336LRN Overview
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