Datasheet

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C C
SW
X OUT
R C
f
2 G L C 3
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2 C1 10
TPS51219
www.ti.com SLUSAG1B –MARCH 2011– REVISED OCTOBER 2011
D-CAP2™ Mode
Determine output capacitance to meet small signal stability as shown in Equation 22 and Equation 23.
where
• G = 0.25 (22)
where
• the R
C
× C
C
time constant is 32 µs for operation at 500 kHz. (23 µs for operation at 670 kHz) (23)
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