Diodes AUR9713 - Manual (Page 12)

Data Sheet
1.5MHz, 1A, STEP DOWN DC-DC CONVERTER AUR9713
Mar. 2012 Rev. 1. 1 BCD Semiconductor Manufacturing Limited
12
Typical Application
Note 3: ) 1 (
2
1
R
R
V V
REF OUT
+ × =
;
When R2=300k Ω to 60 kΩ, the I
R2
=2 µA to 10µA , and R1×C1 should be in the range between 3×10 -6 and 6×10 -6 for
component selection.
Figure 18. Typical Application Circuit of AUR9713
Table 1. Component Guide
V
OUT
(V) R1 (k
Ω)
R2 (k
Ω)
C1 (pF) L1 (
µH)
3.3 450 100 13 2.2
2.5 320 100 18 2.2
1.8 200 100 30 2.2
1.2 100 100 56 2.2
1.0 66 100
91 2.2