LM3409MYX National Semiconductor Corporation, LM3409MYX Datasheet - Page 27

• Manufacturer Part Number: LM3409MYX
• Description: Pfet Buck Controller For High Power Led Drives
• Manufacturer: National Semiconductor Corporation

DESIGN #6: HIGH CURRENT APPLICATION FOR 4 LEDS
Design #6 Bill of Materials
*U2 could be replaced with a 500kΩ NTC thermistor connected from IADJ to GND.
Qty
1
2
1
1
1
1
1
1
1
1
1
1
1
1
Part ID
LM3409
C
C
C
C
C
Q1
D1
L1
R
R
R
R
R
IN1
F
F2
OFF
O
F2
OFF
UV1
UV2
SNS
Part Value
Buck controller
10µF X7R 10% 50V
1.0µF X7R 10% 16V
0.1µF X7R 10% 16V
470pF X7R 10% 50V
1.0µF X7R 10% 50V
PMOS 30V 24A
Schottky 30V 5A
15 µH 20% 7.5A
1.0kΩ 1%
23.2kΩ 1%
6.98kΩ 1%
49.9kΩ 1%
0.05Ω 1% 1W
27
Manufacturer
NSC
TDK
TDK
TDK
TDK
MURATA
ST-MICRO
VISHAY
COILCRAFT
VISHAY
VISHAY
VISHAY
VISHAY
VISHAY
Part Number
LM3409MY
C5750X7R1H106K
C1608X7R1C105K
C1608X7R1C104K
C1608X7R1H471K
GRM32RR71H105KA0
1L
STD30PF03LT4
SSC53L-E3/57T
DO5022P-153ML
CRCW06031K00FKEA
CRCW060323K2FKEA
CRCW06036K98FKEA
CRCW060349K9FKEA
WSL2512R0500FEA
300856f4
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