The LDO needs to be designed for VDD = 1.8 V with load current I varying from 200μA to 2 mA. Ignore all the intrinsic capacitances of the pass transistor MP. Assume that the channel length modulation factor, Ap= 1 V-1, Hp Cox = 50 μA/V² and VTH = 500 mV. The value of compensation capacitor Cc is 200pF. Adhere to the units mentioned in the question while filling in numerical answers. VDD = 1.8V 9m1 = 300μ A/V D Emi VREF=0.7V 0 Vo1 Cc: R01 1Meg VFB Mp R₁200k R₂ W=? L=180nm 200ΚΩ Vo HHI COUT I₁ = 200μA to 2mA R₁ Figure 1 Fill in the blank with a numerical answer: The minimum channel width W (in respect of the circuit shown in Figure 1) that is required to keep Mp in saturation for the entire load range of 200µA to 2 mA is um (up to 1 decimal place).

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The LDO needs to be designed for Vpp = 1.8 V with load current varying from 200µA to 2 mA. Ignore all the intrinsic capacitances of the pass transistor MP.
Assume that the channel length modulation factor, A,= 1 V-1, H,Cox = 50 µAN2 and |VTHI = 500 mV.The value of compensation capacitor Cc is 200pF. Adhere
to the units mentioned in the question while filling in numerical answers.
Vpp = 1.8V
It
gm1 = 300µ A/V
VREF=0.7V o
Vo1 Cc =
W=?
L=180nm
HE M.
Emi
CRO1
글 1Meg요
Vo
L=200HA to
2mA
R1<200ka
VEB
RL
:COUT
200k2
R2
Figure 1
Fill in the blank with a numerical answer. The minimum channel width W (in respect of the circuit shown in Figure 1) that is required to keep Mp in
saturation for the entire load range of 200µA to 2 mA is
um (up to 1 decimal place).
Transcribed Image Text:The LDO needs to be designed for Vpp = 1.8 V with load current varying from 200µA to 2 mA. Ignore all the intrinsic capacitances of the pass transistor MP. Assume that the channel length modulation factor, A,= 1 V-1, H,Cox = 50 µAN2 and |VTHI = 500 mV.The value of compensation capacitor Cc is 200pF. Adhere to the units mentioned in the question while filling in numerical answers. Vpp = 1.8V It gm1 = 300µ A/V VREF=0.7V o Vo1 Cc = W=? L=180nm HE M. Emi CRO1 글 1Meg요 Vo L=200HA to 2mA R1<200ka VEB RL :COUT 200k2 R2 Figure 1 Fill in the blank with a numerical answer. The minimum channel width W (in respect of the circuit shown in Figure 1) that is required to keep Mp in saturation for the entire load range of 200µA to 2 mA is um (up to 1 decimal place).
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