L7820CD2T-TR 查看數據表（PDF） - STMicroelectronics
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L7820CD2T-TR Datasheet PDF : 52 Pages
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Typical performance
Figure 21. 0.5 to 10V Regulator
VO=VXXR4/R1
L78xx - L78xxC
Figure 22. High current voltage regulator
R1 = _____V_B_E_Q_1_____
IREQ-(IQ1/βQ1)
IO = IREG + Q1 (IREG _V_B_E_Q_1_)
R1
Figure 23. High output current with short circuit protection
RSC=VBEQ2/ISC
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