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L7809AB Datasheet(PDF) 30 Page - STMicroelectronics

Part # L7809AB
Description  Positive voltage regulators
PDF  56 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

L7809AB Datasheet(HTML) 30 Page - STMicroelectronics

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Application information
L78xx, L78xxC, L78xxAB, L78xxAC
30/56
Doc ID 2143 Rev 22
Figure 12.
0.5 to 10 V regulator
VO=VXXR4/R1
Figure 13.
High current voltage regulator
IO = IREG + Q1 (IREG ______)
VBEQ1
R1
R1 = ______________
VBEQ1
IREQ-(IQ1/bQ1)
Figure 14.
High output current with short circuit protection
RSC=VBEQ2/ISC



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