Texas Instruments Boost 2 Layer LED Driver Evaluation Board LM3423BS2LYEV/NOPB LM3423BS2LYEV/NOPB 데이터 시트
제품 코드
LM3423BS2LYEV/NOPB
1
2
6
3
4
5
8
7
16
15
11
14
13
12
9
10
OVP
OVP
CSH
COMP
EN
RCT
AGND
OVP
nDIM
DDRV
GATE
Vcc
PGND
IS
RPD
HSP
HSN
R26
RPD
RPD
J3
RPD
TP12
V
CC
V
IN
LED
(+)
R8
C13
LED
(-)
J5
V
IN
R6
Q1
R25
TP10
V
IN
C18
R22
Q3
R20
V
O
R9
R7
C12
TP7
C2
U
1
V
IN
LM3421
C3
TP2
J
1
R17
R21
R13
C5
L1
CONN
2
C17
C1
R14
C8
V
IN
V
IN
P
GND
V
IN
TP8
R27
V
O
D1
C16
C7
C11
C4
R30
CONN
1
LM3421 Buck-Boost Design Example (High Side Current Sense)
10
LM3421 Buck-Boost Design Example (High Side Current Sense)
Figure 14. LM3421 Design Example: High Side Current Sense
16
AN-1907 LM3423 Buck-Boost Configuration Evaluation Board
SNVA376A – December 2008 – Revised May 2013
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