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RT8292ALGSP

P1-P3P4-P6P7-P9P10-P12P13-P14
RT8292A
13
DS8292A-04 October 2016 www.richtek.com
©
Copyright 2016 Richtek Technology Corporation. All rights reserved. is a registered trademark of Richtek Technology Corporation.
(d) Copper Area = 50mm
2
,
θ
JA
= 51°C/W
(e) Copper Area = 70mm
2
,
θ
JA
= 49°C/W
Figure 6. Themal Resistance vs. Copper Area Layout Design
Figure 8. PCB Layout Guide
Table 3. Suggested Capacitors for C
IN
and C
OUT
Location
Component Supplier Part No. Capacitance (F) Case Size
C
IN
MURATA GRM31CR61E106K 10 1206
C
IN
TDK C3225X5R1E106K 10 1206
C
IN
TAIYO YUDEN TMK316BJ106ML 10 1206
C
OUT
MURATA GRM31CR60J476M 47 1206
C
OUT
TDK C3225X5R0J476M 47 1210
C
OUT
MURATA GRM32ER71C226M 22 1210
C
OUT
TDK C3225X5R1C22M 22 1210
Layout Considerations
For best performance of the RT8292A, the following layout giidelines must be strictly followed.
Input capacitor must be placed as close to the IC as possible.
SW should be connected to inductor by wide and short trace. Keep sensitive components away from this trace.
The feedback components must be connected as close to the device as possible
V
IN
V
OUT
GND
GND
C
P
C
C
R
C
SW
V
OUT
C
OUT
L1
R1
R2
Input capacitor must
be placed as close
to the IC as possible.
SW should be connected to inductor by
wide and short trace. Keep sensitive
components away from this trace.
The feedback components
must be connected as close
to the device as possible.
BOOT
VIN
SW
GND
SS
EN
FB
COMP
GND
2
3
4
5
6
7
8
9
C
SS
R
S
C
S
GND
V
IN
R
EN
C
IN
RT8292A
14
DS8292A-04 October 2016www.richtek.com
Richtek Technology Corporation
14F, No. 8, Tai Yuen 1
st
Street, Chupei City
Hsinchu, Taiwan, R.O.C.
Tel: (8863)5526789
Richtek products are sold by description only. Richtek reserves the right to change the circuitry and/or specifications without notice at any time. Customers should
obtain the latest relevant information and data sheets before placing orders and should verify that such information is current and complete. Richtek cannot
assume responsibility for use of any circuitry other than circuitry entirely embodied in a Richtek product. Information furnished by Richtek is believed to be
accurate and reliable. However, no responsibility is assumed by Richtek or its subsidiaries for its use; nor for any infringements of patents or other rights of third
parties which may result from its use. No license is granted by implication or otherwise under any patent or patent rights of Richtek or its subsidiaries.
Outline Dimension
A
B
J
F
H
M
C
D
I
Y
X
EXPOSED THERMAL PAD
(Bottom of Package)
8-Lead SOP (Exposed Pad) Plastic Package
Symbol
Dimensions In Millimeters Dimensions In Inches
Min Max Min Max
A 4.801 5.004 0.189 0.197
B 3.810 4.000 0.150 0.157
C 1.346 1.753 0.053 0.069
D 0.330 0.510 0.013 0.020
F 1.194 1.346 0.047 0.053
H 0.170 0.254 0.007 0.010
I 0.000 0.152 0.000 0.006
J 5.791 6.200 0.228 0.244
M 0.406 1.270 0.016 0.050
Option 1
X 2.000 2.300 0.079 0.091
Y 2.000 2.300 0.079 0.091
Option 2
X 2.100 2.500 0.083 0.098
Y 3.000 3.500 0.118 0.138
P1-P3P4-P6P7-P9P10-P12P13-P14

RT8292ALGSP

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IC REG BUCK ADJUSTABLE 2A 8SOP
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