78xx series ICs are:

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RRB ALP Electronics Mechanic 21 Jan 2019 Official Paper (Shift 3)
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  1. zener regulated
  2. series regulated
  3. shunt regulated
  4. series and shunt regulated

Answer (Detailed Solution Below)

Option 2 : series regulated
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Integrated circuit 78xx

  • 78xx is a family of self-contained fixed linear series voltage regulator integrated circuits.
  • The 78xx family is commonly used in electronic circuits requiring a regulated power supply due to their ease of use and low cost.
  • They provide a stable output voltage from a slightly higher input voltage.
  • These ICs have built-in protection against a circuit drawing too much power.
  • They have protection against overheating and short-circuits, making them quite robust in most applications.

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