Digital Electronics - Digital Design - Discussion
Discussion Forum : Digital Design - General Questions (Q.No. 11)
11.
What would be the output voltage of a 7814 voltage regulator?
Discussion:
4 comments Page 1 of 1.
Kiruthy said:
5 years ago
How to identify positive or negative?
Michael said:
8 years ago
For ICs within the 78xx family, the xx is replaced with two digits, indicating the output voltage (for example, the 7805 has a 5-volt output, while the 7812 produces 12 volts).
The 78xx line is positive voltage regulators: they produce a voltage that is positive relative to a common ground.
There is a related line of 79xx devices which are complementary negative voltage regulators. The 79xx devices have a similar " part number" to " voltage output" scheme, but their outputs are a negative voltage, for example, 7905 is -5 V and 7912 is -12 V.
The 78xx line is positive voltage regulators: they produce a voltage that is positive relative to a common ground.
There is a related line of 79xx devices which are complementary negative voltage regulators. The 79xx devices have a similar " part number" to " voltage output" scheme, but their outputs are a negative voltage, for example, 7905 is -5 V and 7912 is -12 V.
Sachin said:
9 years ago
@Sathyaraj.
Why 78 is positive and 79 is negative?
Why 78 is positive and 79 is negative?
Sathyaraj said:
1 decade ago
7814 means:
78 - positive(+).
14 - Voltage.
If 7914 means:
79 - negative(-).
14 - voltage.
78 - positive(+).
14 - Voltage.
If 7914 means:
79 - negative(-).
14 - voltage.
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