Texas Instruments LM3409 Demonstration Board LM3409EVAL/NOPB LM3409EVAL/NOPB Datenbogen
Produktcode
LM3409EVAL/NOPB
IADJ
EN
CSN
LM3409HV
UVLO
VCC
COFF
GND
CSP
C
F
R
OFF
PGATE
C
OFF
R
UV2
R
UV1
DAP
VIN
R
SNS
1
2
3
4
5
6
7
8
9
10
D1
L1
Q1
U1
V
O
= 56V
V
IN
= 65V
C
IN1
C
IN2
I
LED
= 3A
maximum
C
F2
SNVS602J – MARCH 2009 – REVISED MAY 2013
DESIGN #5: 75°C THERMAL FOLDBACK APPLICATION FOR 16 LEDS
Design #5 Bill of Materials
*U2 could be replaced with a 500k
Ω
NTC thermistor connected from IADJ to GND.
Qty
Part ID
Part Value
Manufacturer
Part Number
1
LM3409HV/LM3409QHV
Buck controller
TI
LM3409HVMY/LM3409QHVMY
1
U1
Analog Temperature Sensor
TI
LM94022
2
C
IN1
, C
IN2
2.2µF X7R 10% 100V
MURATA
GRM43ER72A225KA01L
1
C
F
1.0µF X7R 10% 16V
TDK
C1608X7R1C105K
1
C
F2
0.1µF X7R 10% 16V
TDK
C1608X7R1C104K
1
C
OFF
470pF X7R 10% 50V
TDK
C1608X7R1H471K
1
Q1
PMOS 100V 3.8A
ZETEX
ZXMP10A18KTC
1
D1
Schottky 100V 3A
COMCHIP
SS3H10-E3/57T
1
L1
15 µH 20% 4.7A
TDK
SLF12575T-150M4R7
1
R
OFF
24.9k
Ω
1%
VISHAY
CRCW060324K9FKEA
1
R
UV1
6.98k
Ω
1%
VISHAY
CRCW06036K98FKEA
1
R
UV2
49.9k
Ω
1%
VISHAY
CRCW060349K9FKEA
1
R
SNS
0.07
Ω
1% 1W
VISHAY
WSL2512R0700FEA
34
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