RT2862
Input capacitor must be placed
as close to the IC as possible.
V
OUT
V
IN
C
OUT
C
IN
The R resistor must be connected
T
SW should be connected to
as close to the device as possible.
Keep sensitive components away.
inductor by wide and short trace.
Keep sensitive components
C *
S
R *
S
L
away from this trace and C
.
BOOT
R
T
8
7
6
5
SW
BOOT
EN
VIN
RT
C
V
BOOT
2
3
4
R
C
GND
C
C
C
COMP
FB
IN
9
R
EN
GND
P
R1
V
OUT
R2
The R component
EN
must be connected.
GND
The Compensator and feedback
components must be connected as
close to the device as possible.
* : Option
Figure 8. PCB Layout Guide
Table 3. Suggested Capacitors for CIN and COUT
Location
Component Supplier
Part No.
Capacitance (µF)
Case Size
1206
C
IN
C
IN
C
IN
C
IN
C
IN
MURATA
TAIYO YUDEN
MURATA
TDK
GRM32ER71H475K
UMK325BJ475MM-T
GRM31CR61E106K
C3225X5R1E106K
TMK316BJ106ML
GRM31CR60J476M
C3225X5R0J476M
GRM32ER71C226M
C3225X5R1C22M
4.7
4.7
10
10
10
47
47
22
22
1206
1206
1206
TAIYO YUDEN
MURATA
TDK
1206
C
C
C
C
1206
OUT
OUT
OUT
OUT
1210
MURATA
TDK
1210
1210
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14
DS2862-02 January 2018
RICHTEK [ RICHTEK TECHNOLOGY CORPORATION ]
