LM3409MY/NOPB National Semiconductor, LM3409MY/NOPB Datasheet - Page 27
![IC LED DRIVR HIGH BRIGHT 10-MSOP](/photos/7/37/73786/pkg_muc10a_sml.jpg)
LM3409MY/NOPB
Manufacturer Part Number
LM3409MY/NOPB
Description
IC LED DRIVR HIGH BRIGHT 10-MSOP
Manufacturer
National Semiconductor
Series
PowerWise®r
Type
HBLED Driverr
Datasheet
1.LM3409MYNOPB.pdf
(30 pages)
Specifications of LM3409MY/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 ~ 42 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
LM3409MYTR
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
LM3409MY/NOPB
Manufacturer:
TI/德州仪器
Quantity:
20 000
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
www.national.com