RT8026 データシートの表示（PDF） - Richtek Technology
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RT8026 Datasheet PDF : 12 Pages
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RT8026
CIN must be placed as close
as possible to the IC
CIN
LX should be connected to Inductor by
wide and short trace, keep sensitive
compontents away from this trace
Output capacitor must
RT8026
be placed near the
RT8026
VIN
10
PGND
L1
NC
2
9
LX
COUT
GND
3
R2
NC
4
8
EN
7
NC
VIN
FB
5
6
NC
R1
CF
Layout note:
Place the feedback components as close as possible
to the FB pin.
1. The distance that CIN connects to VIN is as close as possible (Under 2mm).
2. COUT should be placed near the RT8026.
Figure 4. Layout Guide
Table 1. Recommended Components for Different Output Voltage Application
Component Supplier
TAIYO YUDEN
TAIYO YUDEN
GOTREND
GOTREND
GOTREND
L1 (μH)
10
10
2.2
2.2
2.2
COUT (μF)
10
10
10
10
10
R1 (kΩ)
300
120
200
150
100
R2 (kΩ)
62
27
62
75
100
VOUT (V)
3.5
3.3
2.5
1.8
1.2
DS8026-02 March 2011
www.richtek.com
11
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