Determine the approximate value of Ip of Figure 51. 12V 31.5ka Q1 V, 1MQ V1 12mA pss -4V 1.5 V Figure 51. O 75 mA O 6.12 mA O 5.625 mA O 4.69 mA 1:31 am /

4. (2,5) For the circuit in Figure 01: (a) Determine VOUT at IZK and at Izm. (b) Calculate the value ofR that should be used. (c) Determine the minimum value of RL that can be used. Obs. The IN4744A zener used in the regulator circuit of Figure 01 is a 15 V diode The datasheet gives the following information: Vz = 15 V @ Iz = 17 mA, IzK = 0.25 mA, and Zz = 14 Q. (resistência de corpo). R VOUT + VIN IN4744A RL 24 V

Determine the minimum and the maximum input voltages that can be regulated by the Zener diode shown in figure 5. From data sheet the Zener diode has the following values: Vz=9.5 V at IZ1=65 mA, IzK =5.5 mA, PDmaxN)=1.25 W, and Z, = 15 N . R Vout 650 Q Vin 4 Vz Figure 5

H.W: Determine Vo and ID for the circuit in figure below after adding a resistance of 2kQ in series with both diodes +20 V Si St 4.7 ks2