AP3431 Datasheet, PDF (17/19 Pages) BCD Semiconductor Manufacturing Limited – 1.0MHz, 2.0A, Synchronous Step Down DC-DC Converter

1.0MHz, 2.0A, Synchronous Step Down DC-DC Converter
Typical Application
Data Sheet
AP3431
Note 2:
V_OUT
=
V_FB
× (1 +
R₁
R₂
)
.
Figure 35. Typical Application Circuit of AP3431
Table 1. Component Guide
V_OUT(V)
3.3
2.5
1.8
1.2
1.0
R1(kΩ)
31.25
21.5
12.5
5
3
R2(kΩ)
10
10
10
10
10
L1(µH)
2.2
2.2
2.2
2.2
2.2
Nov. 2011 Rev. 1. 0
BCD Semiconductor Manufacturing Limited
17