Description:Peak current mode control; Adjustable switching frequency; Latched primary overcurrent protection with 10 ms fixed delay; Adjustable soft start timer; Auto recovery brown out detection; Extended Vcc range up to 28 V with auto recovery UVLO; Internal 160 ns leading edge blanking; Frequency jittering; Adjustable internal ramp compensation ; +500 mA / -800 mA Source/Sink current driver capability; Skip cycle operation in light/no load operation; SOIC-8 package
A good PCB layout for the NCP1252CDR2G involves keeping the input and output capacitors close to the IC, using a solid ground plane, and minimizing the length of the input and output traces. A 4-layer PCB with a dedicated power plane and a solid ground plane is recommended.
To ensure stability, make sure the output capacitor is within the recommended range (22uF to 47uF), the input capacitor is at least 1uF, and the feedback resistors are within the recommended range (1kΩ to 10kΩ). Also, ensure the PCB layout is well-designed and the component placement is optimal.
The NCP1252CDR2G can handle input voltages up to 18V, but it's recommended to keep the input voltage below 15V to ensure reliable operation and to prevent overheating.
The NCP1252CDR2G is rated for operation up to 125°C, but it's recommended to derate the output current and input voltage at high temperatures to ensure reliable operation. Consult the datasheet for more information on thermal derating.
The output voltage of the NCP1252CDR2G can be calculated using the formula: Vout = (R1 / R2) * (Vin - Vref), where R1 and R2 are the feedback resistors, Vin is the input voltage, and Vref is the internal reference voltage (2.5V).
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
NCP1252CDR2G Overview
Use the download button to access the NCP1252CDR2G schematic symbol, PCB footprint, and 3D model.
To find more CAD model downloads similar to this part, try a partial part number search, like NCP12,
or try a keyword search, such as Switching Regulator or Controllers
