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For the series voltage regulator, given that transistor Q₁ and Q2: VBE1(ON) 5 0.7 [V]. The input voltage; changes between 18 [V] until 20 [V]. The regulator produces the output voltage Vo = 12 [V]. a) Find the maximum output current IL(max). b) Find the short circuit output current IL(se). c) Determine the voltage V, for Zener diode D, if the output voltage V, = 12 [V].

For the series voltage regulator, given that transistor Q₁ and Q2: VBE1(ON) 5 0.7 [V]. The input voltage; changes between 18 [V] until 20 [V]. The regulator produces the output voltage Vo = 12 [V]. a) Find the maximum output current IL(max). b) Find the short circuit output current IL(se). c) Determine the voltage V, for Zener diode D, if the output voltage V, = 12 [V].

Introductory Circuit Analysis (13th Edition)
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
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For the series voltage regulator, given that transistor Q1 and Q2: VBE1(ON) = V BEZ(ON) = 0.7 [V]. The input voltage; changes between 18 [V] until 20 [V]. The regulator produces the output voltage V, = 12 [V]. a) Find the maximum output current IL(max). b) Find the short circuit output current IL(sc). c) Determine the voltage V₂ for Zener diode D, if the output voltage V, = 12 [V]. Q₁ R₁ 400 52 IDEJ R₂5.7 k2 V₁ R₁ (18-20)V Rsc www 1.5Ω Dz Q₂ R₁2.9 kn RL R45 3.1 ΚΩ Vo
Transcribed Image Text:For the series voltage regulator, given that transistor Q1 and Q2: VBE1(ON) = V BEZ(ON) = 0.7 [V]. The input voltage; changes between 18 [V] until 20 [V]. The regulator produces the output voltage V, = 12 [V]. a) Find the maximum output current IL(max). b) Find the short circuit output current IL(sc). c) Determine the voltage V₂ for Zener diode D, if the output voltage V, = 12 [V]. Q₁ R₁ 400 52 IDEJ R₂5.7 k2 V₁ R₁ (18-20)V Rsc www 1.5Ω Dz Q₂ R₁2.9 kn RL R45 3.1 ΚΩ Vo
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