Description:Low Dropout: 135 mV Typical at 300 mA; High PSRR 75dB at 1kHz; Thermal Shutdown and Current Limit Protections; Very Low Quiescent Current of Typ. 50 µ?A; Available in uDFN 1.0 x 1.0 mm Package; +/- 1% typical Vout Accuracy ; Operating Input Voltage Range: 1.7 V to 5.5 V
A good PCB layout for optimal thermal performance involves placing the device near a thermal pad or a heat sink, and ensuring good thermal conductivity between the device and the heat sink. The datasheet provides some guidelines, but a more detailed application note from onsemi provides additional recommendations.
To ensure reliable start-up of the converter in a noisy environment, it's recommended to add a soft-start circuit to limit the inrush current and reduce electromagnetic interference (EMI). Additionally, using a high-quality input filter and ensuring good power supply decoupling can help improve start-up reliability.
The maximum allowed voltage on the enable pin is typically limited to the voltage rating of the device, which is 6V for the NCP114AMX180TCG. Exceeding this voltage can damage the device. It's recommended to use a voltage divider or a level shifter to ensure the enable pin voltage remains within the safe operating range.
To optimize the output voltage ripple and noise, it's recommended to use a good quality output capacitor with low equivalent series resistance (ESR) and high capacitance. Additionally, adding a noise filter or a pi-filter at the output can help reduce the ripple and noise. The datasheet provides some guidelines for capacitor selection and filter design.
The recommended input capacitor type is a low-ESR ceramic capacitor or a film capacitor with a value of 1-10uF. The exact value depends on the input voltage, output current, and desired ripple and noise performance. A larger capacitor value can help reduce the input voltage ripple, but may increase the start-up time.
Trust Checks
No trust score is available for this model.
Trust Score Unavailable
Sponsored
NCP114AMX180TCG Overview
Use the download button to access the NCP114AMX180TCG 3D model. You can still request or build the schematic symbol and PCB footprint by using the respective build or request forms on this page.
To find more CAD model downloads similar to this part, try a partial part number search, like NCP11,
or try a keyword search, such as Linear Regulator ICs
