Fundamentals of
Power Electronics
Second Edition
Errata: Eighth Printing

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Errors can be reported for inclusion on this list by sending email to Bob Erickson. Please include page number and a short description.

• Page 10, second paragraph, fourth line:
  Replace "line-to-transfer functions" with "line-to-output transfer functions"
• Page 113, first line of paragraph above Eq. (5.12):
  Replace "buck converter of Eq. (5.1)" with "buck converter of Fig. 5.1"
• Page 116, first line of text:
  iL(t) is not formatted, should read i_L(t)
• Page 177, list item 4, second line should begin:
  transformer frequency is half the output ripple frequency.
• Page 280, Fig. 8.17:
  Mid-frequency phase asymptote should be labeled +90 degrees
• Page 306, first line of bottom paragraph:
  Change "two poles" to "two roots".
• Page 335, first line of text below Eq. (9.2):
  v_ref is missing a hat.
• Page 424, Table 11.2:
  For the buck network, g₁ = - 1/R_e. The minus sign is missing.
• Page 439, second sentence of second paragraph should end:
  "...by choice of the peak of the transistor current i_s(t)."
• Page 492, figure caption to Fig. 13.1:
  The symbols for flux and MMF are reversed.
• Page 502, second sentence of Section 13.2.1:
  Replace "The causes" with "This causes "
• Page 515, third line of Section 13.4.4:
  Replace "H(d)" with "H(h)".
• Page 541, last sentence of the page, and page 542, last sentence of Section 14.1.2:
  Replace "The turns ratio n" with "The number of turns n"
• Page 547, in Eq. (14.29):
  The quantity "i_j" should be capitalized.
• Pages 552 and 570, step-by-step design procedures
  The formulas for "Total rms winding currents, referred to winding 1" have n_i in the denominator; these instead should read n₁
• Pages 561: Core loss density should be 0.04 W/cm^3, in Eq. (14.90), and text above Eq. (14.90). This leads to total core loss of 0.25 W.
• Page 575, third line:
  Reverse direction of inequality, to read: "...having K_gfe ≥ 0.00295"
• Page 578, third line of paragraph below Eq. (15.40):
  Reverse direction of inequality, to read: "...having K_gfe ≥ 0.00937"
• Page 643, top line of text:
  change "is greater than" to "is less than".
• Page 700, Fig. 18.47:
  The z input to the multiplier should be labeled V_M/100
• Page 721, third line of text below Eq. (19.32):
  Change "R_e" to "R₀".
• Pages 775-776, Eqs. (20.38) to (20.42):
  The subscript r was dropped from the capacitor. Replace "C" with "C_r".
• Page 789, Fig. 20.34:
  At the bottom of the figure, the length of the X plus D₂ Q₂ interval is D-prime omega-0 Ts (D-prime rather than D)