Description:Power Bandwidth: 160 kHz; Unity Gain Stable: w/Capacitance Loads to 500 pF; ESD Diodes Provide Added Protection to the Inputs; Input Offset Voltage Trimmed to 100 µV (Typ); Low Noise: 18 nV/ (sq. root Hz) @ 1.0 kHz; Low Input Bias Current: 300 nA; Single or Split Supply Operation: +3.0 V to +36 V or +/-1.5 V to +/-18 V; Excellent Frequency Stability; Large Output Voltage Swing: +14.1 V/ -14.6 V; Low Total Harmonic Distortion: 0.003%; Low Input Offset Current: 3.0 nA; High Slew Rate: 10 V/µs; High Input Resi
A good PCB layout for the MC33274ADR2G 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. Additionally, it's recommended to use a shielded inductor and to keep the switching node (pin 5) away from sensitive analog circuits.
The inductor value depends on the input voltage, output voltage, and switching frequency. A good starting point is to use the inductor value recommended in the datasheet (e.g., 10uH). Then, adjust the value based on the specific application requirements, such as output current and ripple voltage.
The maximum ambient temperature for the MC33274ADR2G is 125°C. However, the device can operate at higher temperatures with derating. It's essential to ensure that the device does not exceed the maximum junction temperature (Tj) of 150°C.
Yes, the MC33274ADR2G is suitable for high-reliability applications. It's manufactured using a robust process, and onsemi provides a comprehensive set of reliability data, including FIT rates and MTBF calculations, to support high-reliability designs.
To troubleshoot issues with the MC33274ADR2G, start by verifying the PCB layout and component values. Check for proper decoupling, correct inductor value, and adequate input and output capacitance. Use an oscilloscope to measure the switching node and output voltage waveforms. Consult the datasheet and application notes for guidance on troubleshooting common issues.
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
MC33274ADR2G Overview
Use the download button to access the MC33274ADR2G schematic symbol, PCB footprint, and 3D model.
To find more CAD model downloads similar to this part, try a partial part number search, like MC332,
or try a keyword search, such as Operational Amplifiers
