Datasheet

V
IN
V
OUT
C1
C9
R5
R4
R1
C8
C2
C4
D1
R3
C5
C3
LM20343
FB
AGND
SW
GND
GND
GND
U1
14
11
12
2
10
9
SW
13
SW
8
SW
7
BOOT
17
VIN
16
VIN
15
VIN
6
VIN
5
EP
COMP
4
SS
1
RT
20
PGOOD
3
EN
19
VCC
18
C7
L1
C6
V
OUT
PGOOD
ENABLE
GND
GND
C2, C3 should be placed at VIN
pins 5,6 and 15,16 respectively.
R2
(OPTIONAL
for improved
Efficiency)
PVIN
SW
PGND
L
V
OUT
LM20343
C
IN
C
OUT
LOOP1
LOOP2
LM20343
SNVS559B –MAY 2008–REVISED APRIL 2013 www.ti.com
Figure 37. Schematic of LM20343 Highlighting Layout Sensitive Nodes
Figure 38. Typical Application Schematic
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