LM3409MY National Semiconductor, LM3409MY Datasheet - Page 26

• Manufacturer Part Number: LM3409MY
• Description: LM3409 LM3409HV PFET Buck Controller for High Power LED Drives; Package: MINI SOIC EXP PAD; No of Pins: 10; Qty per Container: 1000/Reel
• Manufacturer: National Semiconductor

www.national.com
DESIGN #5: 75°C THERMAL FOLDBACK APPLICATION FOR 16 LEDS
Design #5 Bill of Materials
*U2 could be replaced with a 500kΩ NTC thermistor connected from IADJ to GND.
Qty
1
1
2
1
1
1
1
1
1
1
1
1
1
Part ID
LM3409HV
U1
C
C
C
C
Q1
D1
L1
R
R
R
R
IN1
F
F2
OFF
OFF
UV1
UV2
SNS
, C
IN2
Part Value
Buck controller
Analog Temperature
Sensor
2.2µF X7R 10% 100V
1.0µF X7R 10% 16V
0.1µF X7R 10% 16V
470pF X7R 10% 50V
PMOS 100V 3.8A
Schottky 100V 3A
15 µH 20% 4.7A
24.9kΩ 1%
6.98kΩ 1%
49.9kΩ 1%
0.07Ω 1% 1W
26
Manufacturer
NSC
NSC
MURATA
TDK
TDK
TDK
ZETEX
COMCHIP
TDK
VISHAY
VISHAY
VISHAY
VISHAY
Part Number
LM3409HVMY
LM94022
GRM43ER72A225KA01
L
C1608X7R1C105K
C1608X7R1C104K
C1608X7R1H471K
ZXMP10A18KTC
SS3H10-E3/57T
SLF12575T-150M4R7
CRCW060324K9FKEA
CRCW06036K98FKEA
CRCW060349K9FKEA
WSL2512R0700FEA
30085624