MIC29150-5.0 by the MIC29152-12 dual output voltage regulator circuit
The dual output voltage regulator circuit utilizes the MIC29150 series from Micrel, which are low-dropout (LDO) voltage regulators designed for various applications requiring stable output voltages. The MIC29150-12 provides a fixed output voltage of 12V, while the MIC29150-5.0 offers a fixed output of 5V.
In this configuration, both regulators are connected to a common input voltage source, which should exceed the maximum output voltage by at least the dropout voltage specified in the datasheet for each regulator. The circuit typically includes input and output capacitors to ensure stability and transient response.
The input capacitors, usually ceramic or tantalum types, help filter any noise from the supply line and provide a stable voltage to the regulators. The output capacitors are essential for maintaining stability and minimizing voltage ripple at the output. The choice of capacitor values is critical and should align with the manufacturer's recommendations to ensure optimal performance.
Additionally, each regulator may have its own enable pin, allowing for independent control of the output voltages. This feature can be useful in power management applications where specific voltage outputs are only needed at certain times.
The overall design of this dual output voltage regulator circuit is efficient and cost-effective, making it suitable for a wide range of electronic devices requiring dual voltage levels. Proper thermal management should also be considered, as the regulators can dissipate heat under load, necessitating the use of heat sinks or adequate PCB layout for heat dissipation.
In summary, the dual output voltage regulator circuit featuring the MIC29150-12 and MIC29150-5.0 is an effective solution for applications needing both 12V and 5V outputs, ensuring reliable performance and stability. As shown in the low-cost dual output voltage regulator circuit consists of two pieces Micrel companys MIC29150-12 and MIC29150-5.0 regulator constituted.
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