Diodes AUR9705 - Manual (Page 11)

Data Sheet
1.5MHz , 1A, STEP DOWN DC-DC CONVERTER AUR9705
Sep. 2013 Rev. 1. 2 BCD Semiconductor Manufacturing Limited
11
Typical Application
For WDFN-2×2-6
For TSOT-23-5
Note 3: ) 1 (
2
1
FB
R
R
V V
OUT
+ × =
.
When R2=300k Ω to 60kΩ, 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 16. Typical Application Circuits of AUR9705
Table 1. Component Guide
V
OUT
(V)
R1
(k
Ω)
R2
(k
Ω)
C1
(pF)
L1
(
μH)
3.3 453 100 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 68 100 82 2.2