RT8253B RICHTEK [Richtek Technology Corporation], RT8253B Datasheet - Page 14

• Manufacturer Part Number: RT8253B
• Description: 3A, 23V, 1.2MHz Synchronous Step-Down Converter
• Manufacturer: RICHTEK [Richtek Technology Corporation]

Table 3. Suggested Capacitors for C
RT8253B
www.richtek.com
14
Location
C
C
C
C
C
C
C
OUT
OUT
OUT
OUT
IN
IN
IN
Input capacitor must
be placed as close
to the IC as possible.
Component Supplier
TAIYO YUDEN
MURATA
MURATA
MURATA
C
TDK
TDK
TDK
OUT
GND
V
OUT
C
R
IN
S
IN
* C
V
L
IN
SW should be connected to inductor by
wide and short trace. Keep sensitive
components away from this trace.
and C
S
*
GRM32ER71C226M
GRM31CR61E106K
GRM31CR60J476M
C3225X5R1E106K
C3225X5R0J476M
TMK316BJ106ML
C3225X5R1C22M
Figure 8. PCB Layout Guide
SW
BOOT
OUT
GND
VIN
SW
Part No.
GND
2
3
4
GND
9
8
7
6
5
Capacitance (μF)
C
SS
EN
COMP
FB
SS
R2
R
R1
EN
10
10
10
47
47
22
22
V
V
The feedback components
must be connected as close
to the device as possible.
OUT
IN
GND
C
C
C
P
DS8253B-02 March 2011
R
Case Size
C
1206
1206
1206
1206
1210
1210
1210