A linear voltage regulator takes a high or varying voltage and reduces it to a lower and steady voltage.
Voltage regulators come in a range of voltages which indicate the voltage they will put out. The higher the voltage in compared to the voltage out the more voltage the regulator has to get rid of and this will be dissipated as heat. Likewise a regulator will get hotter the more current it has to provide. Where necessary this heat is usually taken away from the regulator by use of a heatsink.
Different regulators have different pinouts - check the datasheet! The design below is for a 7805 style device.
Do not use a power supply with the create system - use a 4.5V battery pack instead.
Bill of Materials
|3.3V 250mA LDO voltage regulator (MCP1702 series) ||REG004 ||1 ||Buy Now |
|3.3V 1A LDO voltage regulator (LD33V / LD1117AV33) ||REG006 ||1 ||Buy Now |
|5V 100mA voltage regulator (78L05) ||REG001 ||1 ||Buy Now |
|5V 250mA LDO voltage regulator (MCP1702 series) ||REG005 ||1 ||Buy Now |
|5V 1A voltage regulator (7805) ||REG002 ||1 ||Buy Now |
|5V 1A LDO voltage regulator (LD50V / LD1117AV50) ||REG007 ||1 ||Buy Now |
|12V 100mA voltage regulator (78L12) ||REG003 ||1 ||Buy Now |
|1N4001 Diode ||RES041 ||1 ||Buy Now |
|100nF Capacitor ||CAP001 ||2 ||Buy Now |
|100uF Capacitor ||CAP006 ||2 ||Buy Now |
|2.1mm DC Connector ||CON010 ||1 ||Buy Now |
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