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Are Evaluation Boards available? |
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Contact your local Micrel Sales Representative to request Evaluation boards |
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How do I calculate thermal resistance and choose heat sinks? |
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See Applications Hint # 17, "Designing PC Board Heatsinks" Click here to download |
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Additional information may be found in the product datasheets. |
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What is the Heatsink Tab electrical connection for TO-220 and TO-263 packages? |
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The heatsink Tab on TO-220 and TO-263 packages is connected to Ground. |
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Do you have SPICE Models for MICwxyz? |
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Click here to go to the SPICE index. |
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What does "Drop-Out" Voltage mean for Low Drop-Out Voltage Regulators? |
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A. |
First, Vout(nominal) is measured using an input voltage of Vout + 1 Volt. This is sufficient input to ensure the part is not in a "Drop-Out" condition. |
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B. |
Next, the input voltage is reduced until Vout decreases to some percentage of the Vout (nominal) measured in Step A. Typically this percentage is 99 %. |
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C. |
V(Drop-Out) is defined as the difference between Vin and Vout measured with the input voltage obtained in Step B, where Vout = 0.99*Vout (nominal). |
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What if I operate the part outside datasheet limits? |
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Micrel guarantees only parameters listed on the datasheet under the conditions stated on the datasheet. Typical specifications and graphs are for reference only. |
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What is the PCB footprint for MICwxyz? |
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Example Footprints for TO-220 and TO-263 packages are provided with Micrel Packaging Information. Click here to download |
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One resource for example PCB Footprints for various standard packages can be found on the Web at: http://landpatterns.ipc.org/default.asp |
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This reference is not an endorsement of the above Website; the URL is offered as a possible resource for PCB footprints for some packages. |
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Micrel claims no expertise in PCB layout design. |
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