Microelectronics: Circuit Analysis and Design
4th Edition
ISBN: 9780073380643
Author: Donald A. Neamen
Publisher: McGraw-Hill Companies, The
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Chapter 14, Problem 14.30P
(a)
To determine
To sketch: The output voltage versus time for the given input.
(b)
To determine
To sketch: The output voltage versus time for the given input.
(c)
To determine
To sketch: The output voltage versus time for the given input.
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Op amp and diodes are ideal. Derive Vout and sketch the transfer function of Vin vs Vout. Please show complete solution.
Q3. Design a DC/DC buck converter (as shown in Figure Q3) for an input voltage of
12V and an output of 5V at 20A. Assume a switching frequency of 10kHz.
Constrain the inductor ripple current to be 10% of the input current and limit the
output voltage ripple to 50mVp-p.
a) Explain the working mechanism of the converter by sketching equivalent
circuit diagrams when the switch Q is ON and OFF,
Calculate the duty cycle of the switch.
Find the ripple of the inductor current.
Calculate the required inductance and capacitance.
Sketch the waveform of the output voltage.
Is the converter works at continuous conduction mode CCM? If so, give
proof of that
b)
c)
d)
e)
f)
g) If the load current varies between 0 and 2A, what is the value of the duty
cycle range and at what operating condition?
DA
L
C²
Figure Q3 DC/DC buck converter.
R
c) A buck converter with constant frequency peak current mode control
has Vs = 28V, V = 20V, L = 301uH, fs = 100 kHz. Find the ramp slop
for the optimum compensation and the peak compensation voltage.
%3D
Chapter 14 Solutions
Microelectronics: Circuit Analysis and Design
Ch. 14 - Using the circuit and transistor parameters of...Ch. 14 - Prob. 14.2TYUCh. 14 - Prob. 14.1EPCh. 14 - Determine the closedloop input resistance at the...Ch. 14 - For a noninverting amplifier, the resistances are...Ch. 14 - An opamp with an openloop gain of AOL=105 is used...Ch. 14 - Prob. 14.3TYUCh. 14 - An operational amplifier connected in a...Ch. 14 - Prob. 14.5TYUCh. 14 - Prob. 14.6TYU
Ch. 14 - Find the closedloop input resistance of a voltage...Ch. 14 - An opamp with openloop parameters of AOL=2105 and...Ch. 14 - A 0.5 V input step function is applied at t=0 to a...Ch. 14 - The slew rate of the 741 opamp is 0.63V/s ....Ch. 14 - Prob. 14.8TYUCh. 14 - Prob. 14.8EPCh. 14 - Consider the active load bipolar duffamp stage in...Ch. 14 - Prob. 14.10EPCh. 14 - Prob. 14.11EPCh. 14 - Prob. 14.12EPCh. 14 - For the opamp circuit shown in Figure 14.28, the...Ch. 14 - Prob. 14.9TYUCh. 14 - List and describe five practical opamp parameters...Ch. 14 - What is atypical value of openloop, lowfrequency...Ch. 14 - Prob. 3RQCh. 14 - Prob. 4RQCh. 14 - Prob. 5RQCh. 14 - Prob. 6RQCh. 14 - Describe the gainbandwidth product property of a...Ch. 14 - Define slew rate and define fullpower bandwidth.Ch. 14 - Prob. 9RQCh. 14 - What is one cause of an offset voltage in the...Ch. 14 - Prob. 11RQCh. 14 - Prob. 12RQCh. 14 - Prob. 13RQCh. 14 - Prob. 14RQCh. 14 - Prob. 15RQCh. 14 - Prob. 16RQCh. 14 - Prob. 17RQCh. 14 - Prob. 14.1PCh. 14 - Consider the opamp described in Problem 14.1. In...Ch. 14 - Data in the following table were taken for several...Ch. 14 - Prob. 14.4PCh. 14 - Prob. 14.5PCh. 14 - Prob. 14.6PCh. 14 - Prob. 14.7PCh. 14 - Prob. 14.8PCh. 14 - An inverting amplifier is fabricated using 0.1...Ch. 14 - For the opamp used in the inverting amplifier...Ch. 14 - Prob. 14.11PCh. 14 - Consider the two inverting amplifiers in cascade...Ch. 14 - The noninverting amplifier in Figure P14.13 has an...Ch. 14 - For the opamp in the voltage follower circuit in...Ch. 14 - The summing amplifier in Figure P14.15 has an...Ch. 14 - Prob. 14.16PCh. 14 - Prob. 14.18PCh. 14 - Prob. 14.19PCh. 14 - Prob. 14.20PCh. 14 - Prob. 14.21PCh. 14 - Prob. 14.22PCh. 14 - Three inverting amplifiers, each with R2=150k and...Ch. 14 - Prob. 14.24PCh. 14 - Prob. 14.25PCh. 14 - Prob. 14.26PCh. 14 - Prob. 14.27PCh. 14 - Prob. D14.28PCh. 14 - Prob. 14.29PCh. 14 - Prob. 14.30PCh. 14 - Prob. 14.31PCh. 14 - Prob. 14.32PCh. 14 - Prob. 14.33PCh. 14 - Prob. 14.34PCh. 14 - Prob. 14.35PCh. 14 - Prob. 14.36PCh. 14 - Prob. 14.37PCh. 14 - In the circuit in Figure P14.38, the offset...Ch. 14 - Prob. 14.39PCh. 14 - Prob. 14.40PCh. 14 - Prob. 14.41PCh. 14 - Prob. 14.42PCh. 14 - Prob. 14.43PCh. 14 - Prob. 14.44PCh. 14 - Prob. 14.46PCh. 14 - Prob. D14.47PCh. 14 - Prob. 14.48PCh. 14 - Prob. 14.50PCh. 14 - Prob. 14.51PCh. 14 - Prob. D14.52PCh. 14 - Prob. D14.53PCh. 14 - Prob. 14.55PCh. 14 - Prob. 14.56PCh. 14 - Prob. 14.57PCh. 14 - The opamp in the difference amplifier...Ch. 14 - Prob. 14.61P
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