LM3409HVMY/NOPB National Semiconductor, LM3409HVMY/NOPB Datasheet - Page 27

• Manufacturer Part Number: LM3409HVMY/NOPB
• Description: IC LED DRIVR HIGH BRIGHT 10-MSOP
• Manufacturer: National Semiconductor
• Series: PowerWise®r
• Type: HBLED Driverr

Specifications of LM3409HVMY/NOPB

• Constant Current: Yes
• Topology: PWM, Step-Down (Buck)
• Number Of Outputs: 1
• Internal Driver: No
• Type - Primary: Automotive
• Type - Secondary: High Brightness LED (HBLED)
• Voltage - Supply: 6 V ~ 75 V
• Mounting Type: Surface Mount
• Package / Case: 10-MSOP Exposed Pad, 10-HMSOP, 10-eMSOP
• Operating Temperature: -40°C ~ 125°C
• Internal Switch(s): Yes
• Efficiency: 97%
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Voltage - Output: -
• Frequency: -
• Current - Output / Channel: -
• Other names: LM3409HVMYTR

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
LM3409/LM3409Q
Part ID
R
C
R
R
R
C
C
R
C
Q1
D1
C
L1
OFF
OFF
SNS
UV1
UV2
IN1
F2
F2
F
O
470pF X7R 10% 50V
1.0µF X7R 10% 16V
0.1µF X7R 10% 16V
1.0µF X7R 10% 50V
10µF X7R 10% 50V
Schottky 30V 5A
15 µH 20% 7.5A
PMOS 30V 24A
Buck controller
0.05Ω 1% 1W
23.2kΩ 1%
6.98kΩ 1%
49.9kΩ 1%
Part Value
1.0kΩ 1%
27
Manufacturer
COILCRAFT
ST-MICRO
MURATA
VISHAY
VISHAY
VISHAY
VISHAY
VISHAY
VISHAY
NSC
TDK
TDK
TDK
TDK
GRM32RR71H105KA01L
LM3409MY/LM3409QMY
CRCW06031K00FKEA
CRCW060323K2FKEA
CRCW06036K98FKEA
CRCW060349K9FKEA
WSL2512R0500FEA
C5750X7R1H106K
C1608X7R1C105K
C1608X7R1C104K
C1608X7R1H471K
DO5022P-153ML
STD30PF03LT4
SSC53L-E3/57T
Part Number
300856f4
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