Datasheet

TPS40210, TPS40211
SLUS772E –MARCH 2008– REVISED OCTOBER 2011 www.ti.com
REVISION HISTORY
Changes from Revision C (October 2008) to Revision D Page
• Changed C
ISNS
to C
IFLT
....................................................................................................................................................... 16
• Changed C
ISNS
to C
IFLT
....................................................................................................................................................... 16
• Changed equations 22 and 23 ............................................................................................................................................ 21
• Changed corrected equation 25 ......................................................................................................................................... 22
• Added "R1 is the high side feedback resistor in in Ω" and " f
L
is the desired loop crossover frequency, in Hz" ............... 22
• Changed paragraph with new input .................................................................................................................................... 23
• Changed capacitor value from µF to F ............................................................................................................................... 23
• Changed 0.2 with 0.1 in MIN col in Design Example Specifications table ......................................................................... 26
• Deleted text from Peak efficiency row ................................................................................................................................ 27
• Changed 10 V with 8 V in T
OP
conditions column .............................................................................................................. 27
• Changed 42.8% to 42.9% in eq 32 ..................................................................................................................................... 27
• Added (V
FD
) and changed approximate duty cycle from 42.8% to 42.9% .......................................................................... 27
• Changed equations 32, 34, 35, 36, 37, 38 and 39 ............................................................................................................. 27
• Changed equations 47, 48, 49, 50, 51 and 53 ................................................................................................................... 28
• Changed equations 58, 60, 61, 62 ..................................................................................................................................... 30
Changes from Revision D (April 2010) to Revision E Page
• Changed the Revision date from D, Apirl 2010 to E, October 2011 ..................................................................................... 1
• Added Q1 and Q3 to Figure 36 by illustrator ...................................................................................................................... 34
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Product Folder Link(s): TPS40210 TPS40211