Texas Instruments LM3431 Evaluation Board LM3431EVAL/NOPB LM3431EVAL/NOPB Datenbogen
Produktcode
LM3431EVAL/NOPB
LM3431
VIN
EN
FF
SGND
AFB
VCC
REF
REFIN
SNS1
NDRV3
SNS3
NDRV1
NDRV2
SNS2
LG
CS
PGND
COMP
MODE/F
RT
CFB
THM
SC
SS/SH
DLY
DIM
ILIM
Vin
LEDOFF
REFIN
LEDOFF
VCC
D2-5
D6-9
D1
L1
Q1
C9
R19
R18
R3
R4
C1
C2
R2
R1
R7
R8
R9
C4
Rff
C3
R6
C6
C7
VCC
R10
Q2
Q6
External LED Array
R15
VA
VC1
VC2
VC3
VC4
RMODE
C5
THM
R17
VCC
Op1
THM
External
Thermistor
EP
C8
Q3
Q4
+
R11
R12
R14
R16
Rrestart
C13
+
C15
R13
GND
DIM
EN
Rhys
Rth
-
SNVS547G – NOVEMBER 2007 – REVISED MAY 2013
Figure 14. Typical Application Schematic
Copyright © 2007–2013, Texas Instruments Incorporated
9
Product Folder Links: