Description:Integrated 700 V MOSFET with RDS(on) of 4.7 Ω; Current-Mode Fixed Frequency Operation (65 & 100 kHz) - 130 kHz for B version only; Peak Current: NCP1076A/B = 650mA and NCP1077A/B = 800 mA; Skip-Cycle Operation at Low Peak Current; Dynamic Self-Supply (DSS); Auto-Recovery Output Short Circuit Protection with Timer-Based Detection; Frequency Foldback Operation; 300 µA No Load Power Consumption; Frequency Jittering (including during frequency foldback mode); Adjustable Brown-out Protection and OVP; Over Power
A good PCB layout for the NCP1076ABP065G should include a solid ground plane, wide power traces, and a thermal relief pattern under the device. The datasheet provides a recommended land pattern, but a more detailed layout guide can be found in the onsemi application note AND8327/D.
To ensure reliable startup and shutdown, it's essential to follow the recommended soft-start and shutdown procedures outlined in the datasheet. This includes using a soft-start capacitor, a shutdown resistor, and a voltage supervisor to monitor the input voltage.
While the datasheet doesn't specify a maximum allowed input voltage ripple, a general rule of thumb is to keep the input voltage ripple below 10% of the nominal input voltage. Excessive input voltage ripple can affect the converter's stability and efficiency.
The NCP1076ABP065G is rated for operation up to 150°C, but the device's performance and reliability may degrade at high temperatures. It's essential to follow the recommended thermal design guidelines and consider derating the device's power rating at high temperatures.
To troubleshoot oscillations or instability issues, start by checking the PCB layout, component values, and input/output voltage waveforms. Ensure that the input voltage is within the recommended range, and the output voltage is properly filtered. Consult the datasheet and application notes for guidance on troubleshooting and debugging techniques.
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
NCP1076ABP065G Overview
Use the download button to access the NCP1076ABP065G schematic symbol, PCB footprint, and 3D model.
To find more CAD model downloads similar to this part, try a partial part number search, like NCP10,
or try a keyword search, such as Switching Regulator or Controllers
