Description:Precision 2% Reference; Standby Mode Reduces Power Supply Current to 36 µA; Provides 5.05 V Output without External Resistor Divider; Internal Thermal Shutdown; Cycle-by-Cycle Current Limiting; Economical 5-Lead TO-220 Package with Two Optional Leadforms; Undervoltage Lockout with Hysteresis; 0% to 95% Output Duty Cycle; Operation from 7.5 V to 40 V; Fixed Frequency Oscillator (72 kHz) with On-Chip Timing; Output Switch Current in Excess of 5.0 A; Moisture Sensitivity Level (MSL) Equals 1; Also Available in
A good PCB layout for the MC33167TVG 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 MC33167TVG is rated for operation from -40°C to 125°C. However, the maximum ambient temperature range may be limited by the specific application and the thermal design of the system.
Yes, the MC33167TVG is qualified for automotive and high-reliability applications. It meets the requirements of AEC-Q100 and is manufactured using a robust process that ensures high reliability and low defect rates.
To troubleshoot issues with the MC33167TVG, start by checking the PCB layout and component values against the recommended design. Then, use an oscilloscope to measure the input and output waveforms, and check for signs of oscillation or instability. Finally, consult the datasheet and application notes for guidance on troubleshooting and optimization.
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MC33167TVG Overview
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