Texas Instruments LM3409 Demonstration Board LM3409EVAL/NOPB LM3409EVAL/NOPB 데이터 시트
제품 코드
LM3409EVAL/NOPB
IADJ
EN
CSN
LM3409HV
UVLO
V
IN
= 48V
I
LED
= 2A
max
VCC
COFF
GND
CSP
C
F
PGATE
C
OFF
R
UV2
R
UV1
DAP
VIN
V
O
= 35V
R
SNS
1
2
3
4
5
6
7
8
9
10
PWM
C
IN1
C
IN2
5V
R
EXT
C
EXT
R3
R2
R1
D1
L1
Q1
Q3
Q2
R
OFF
30085623
SNVS602J – MARCH 2009 – REVISED MAY 2013
APPLICATIONS INFORMATION
DESIGN #3: EXTERNAL PARALLEL FET PWM DIMMING APPLICATION FOR 10 LEDS
Design #3 Bill of Materials
Qty
Part ID
Part Value
Manufacturer
Part Number
1
LM3409HV/LM3409QHV
Buck controller
TI
LM3409HVMY/LM3409QHVM
Y
2
C
IN1
, C
IN2
2.2µF X7R 10% 100V
MURATA
GRM43ER72A225KA01L
1
C
F
1.0µF X7R 10% 16V
TDK
C1608X7R1C105K
1
C
OFF
470pF X7R 10% 50V
TDK
C1608X7R1H471K
1
C1
2200pF X7R 10% 50V
MURATA
GRM188R71H222KA01D
1
Q1
PMOS 100V 3.8A
ZETEX
ZXMP10A18KTC
1
Q2
CMOS 30V 2A
FAIRCHILD
FDC6333C
1
Q3
NMOS 100V 7.5A
FAIRCHILD
FDS3672
1
D1
Schottky 100V 3A
VISHAY
SS3H10-E3/57T
1
L1
15 µH 20% 4.2A
TDK
SLF12565T-150M4R2
2
R1, R2
1
Ω
1%
VISHAY
CRCW06031R00FNEA
1
R3
10k
Ω
1%
VISHAY
CRCW060310K0FKEA
1
R
EXT
100
Ω
1%
VISHAY
CRCW0603100RFKEA
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
0.1
Ω
1% 1W
VISHAY
WSL2512R1000FEA
32
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