L7820CD2T-TR View Datasheet(PDF) - STMicroelectronics

Part Name

Description

Manufacturer

L7820CD2T-TR

Positive voltage regulators

STMicroelectronics 

L78xx - L78xxC

Figure 18. Current regulator

IO = VXX/R1+Id

Figure 19. Circuit for increasing output voltage

Typical performance

IR1 ≥ 5 Id

VO = VXX(1+R2/R1)+IdR2

Figure 20. Adjustable output regulator (7 to 30V)

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