The 3Vdc to 12Vdc step up DC converter by IC LT1073-12,
When we have a battery of two cell 1.5V AA
batteries or 3 voltage input source, but want size of voltage 12VDC.
This circuit can be done, but when we use the battery voltage size of 2 V
will be has a current is about 35mA only, That’s something we accept,
In some work we use low power interface, such as : an op-amp circuits,
digital CMOS circuits and others.
In addition to I have the boost up DC volt,
more 3 circuits, with the same circuit is a little device, information
about the device. You can see it in circuit Electronics Circuit Application
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