Datasheet
4.0 Schematic
1
1
2
2
3
3
4
4
D D
C C
B B
A A
11
8/14/2008
LM3152-3p3 SO8.SchDoc
Sheet Title:
Size: Schematic:
Mod. Date:
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N
ational Semiconductor and/or its licensors do not warrant the accuracy or completeness of this
specification or any information contained therein. National and/or its licensors do not warrant that
this design will meet the specifications, will be suitable for your application or fit for any particular
purpose, or will operate in an implementation. National and/or its licensors do not warrant that the
design is production worthy. You should completely validate and test your design implementation
to confirm the system functionality for your application.
© Copyright, National Semiconductor, 2007
http://www.national.com
Contact: http://www.national.com/support/
LM3152-3.3 Demo BoardsProject:
Designed for: Public Release
870 600103
CADC:
C
Assembly Variant: Variant name is not interpreted until output
PGND
LG
SW
HG
Vin
Vcc
Vo
EN
Vin
Vo
GND
GND
PGND 4
5, 6, 7, 81, 2, 3
M2
EP
VCC
1
VIN
2
EN
3
FB
4
SGND
5
SS
6
SGND
7
SGND
8
SGND
9
SW
10
HG
11
BOOT
12
LG
13
PGND
14
U1
LM3152MH-3.3
0.47uF
Cbst
PGND
PGND
4.7uF
Cvcc
PGND
SGND
100uF
Cin1
0.1uF
Cbyp
EN
BST
SGND
PGND
10uF
Cin3
150uF
Co1
150uF
Co2
Cf
4
5, 6, 7, 81, 2, 3
M1
1.65uH
L1
68n
Css
SGND
10uF
Cin2
Cen
SGND
Css
SW
schematic6
FIGURE 1. LM3152-3.3 Demo Board Schematic
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