AUR9705 Datasheet, PDF (11/14 Pages) BCD Semiconductor Manufacturing Limited – 1.5MHz, 1A, STEP DOWN DC-DC CONVERTER

1.5MHz, 1A, STEP DOWN DC-DC CONVERTER
Typical Application
Data Sheet
AUR9705
For WDFN-2×2-6
For TSOT-23-5
Note 2:
V_OUT
= V_FB × (1+
R_{1 ) .}
R₂
When R2=300kΩ to 60kΩ, the I_R2=2µA 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
Nov. 2011 Rev. 1. 0
V_OUT
R1
R2
C1
L1
(V)
(kΩ)
(kΩ)
(pF)
(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
BCD Semiconductor Manufacturing Limited
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