SD46520 Datasheet, PDF (7/8 Pages) Silan Microelectronics Joint-stock – 400KHZ 2A STEP-DOWN DC-DC CONVERTER

SD46520
R_C
=
2π⋅ C_O ⋅ V_O ⋅ f_C
G_EA ⋅ G_CS ⋅ V_FB
.
Second, select Z1 as about 1/5~1/4 of crossover frequency to confirm the compensation capacitor Cc1
value: _CC1
=
1
2π⋅R_C
⋅ f_Z1
.
When compensation capacitor Cc2 is needed, the value of it is decided by:
C_C2
=
ESR ⋅C_O
R_C
.
TYPICAL APPLICATION CIRCUIT
HANGZHOU SILAN MICROELECTRONICS CO.,LTD
Http://www.silan.com.cn
REV:1.0 2009.04.07
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