Description:Wide Input Voltage Range: 4.5 V to 65 V; Switching Frequency: 100 kHz to 1 MHz; 0.6 V Reference Voltage with 0.67% Accuracy; Selectable CCM PWM Mode or PFM Mode for Light Loads; Over Current Protection, Thermal Shutdown, Over Voltage Protection, Under Voltage Protection and Short−circuit Protection; Dual LDOs for Single Supply Operation and to Reduce Power Loss; External Compensation for Wide Operation Range; Adjustable Soft−Start & Pre−Bias Startup; Enable Function with Adjustable Input Voltage Under−Volta
A good PCB layout for the FAN65008B involves keeping the high-current paths short and wide, using a solid ground plane, and placing the input and output capacitors close to the IC. Additionally, it's recommended to use a shielded inductor and to keep the switching node (SW) away from sensitive analog nodes.
To optimize the compensation network, start by selecting the desired crossover frequency and phase margin. Then, use the datasheet's compensation network design equations to calculate the required values for RCOMP and CCOMP. Finally, fine-tune the values through simulation or experimentation to achieve the desired stability and transient response.
The FAN65008B can tolerate a certain amount of input voltage ripple, but excessive ripple can affect the converter's stability and efficiency. As a general rule, the input voltage ripple should be kept below 1% of the nominal input voltage to ensure reliable operation.
Yes, the FAN65008B can be used in a synchronous rectification configuration to improve efficiency. However, this requires additional external components and careful design to ensure proper operation. Consult the datasheet and application notes for more information.
The FAN65008B has built-in overcurrent protection, but it's still important to add external protection against overvoltage conditions. This can be achieved using a voltage supervisor or a dedicated overvoltage protection IC. Additionally, consider adding a fuse or a current limiter to protect against excessive current.
Trust Checks
This model has been built in collaboration with the manufacturer.
Manufacturer Collaborated
This model has been verified by system checks.
System Verified
This model has been reviewed by community users.
Community Approved
Sponsored
FAN65008B Overview
Use the download button to access the FAN65008B schematic symbol, PCB footprint, and 3D model.
To find more CAD model downloads similar to this part, try a partial part number search, like FAN65,
or try a keyword search, such as Switching Regulator or Controllers
