LM3406_09 Datasheet, PDF (21/26 Pages) National Semiconductor (TI) – 1.5A Constant Current Buck Regulator for Driving High Power LEDs

ID
U1
L1
D1
Cc, Cf
Cb
Cin1
Cin2
Co
Rsns
Ron
Part Number
LM3406
SLF10145T-220M1R-PF
CMSH2-40
VJ0603Y104KXXAT
VJ0603Y223KXXAT
C4532X7R1H475M
C2012X7R1E105M
ERJ14RQFR13V
CRCW08051433F
TABLE 1. BOM for Design Example 1
Type
LED Driver
Inductor
Schottky Diode
Capacitor
Capacitor
Capacitor
Size
Parameters
Qty
eTSSOP-14
42V, 2A
1
10 x 10 x 4.5mm 22 µH, 1.9A, 59 mΩ 1
SMB
40V, 2A
1
0603
100 nF 10%
2
0603
22 nF 10%
1
1812
4.7 µF, 50V
2
Capacitor
Resistor
Resistor
0805
1210
0805
1.0 µF, 25V
1
0.13Ω 1%
1
143 kΩ 1%
1
Vendor
NSC
TDK
Central Semi
Vishay
Vishay
TDK
TDK
Panasonic
Vishay
TABLE 2. BOM for Design Example 2
ID
Part Number
Type
Size
Parameters
Qty
U1
LM3406
LED Driver
eTSSOP-14
42V, 2A
1
L1 SLF10145T-150M2R2-P
Inductor
10 x 10 x 4.5mm 15 µH, 2.2A, 47 mΩ
1
D1
CMSH2-60
Schottky Diode
SMB
60V, 2A
1
Cc, Cf
VJ0603Y104KXXAT
Capacitor
0603
100 nF 10%
2
Cb
VJ0603Y223KXXAT
Capacitor
0603
22 nF 10%
1
Cin1
Cin2
C3225X7R1H335M
Capacitor
1210
3.3 µF, 50V
2
Co
C3216X7R1H105M
Capacitor
1206
0.15 µF, 50V
1
Rsns
ERJ14RQFR13V
Resistor
1210
0.13Ω 1%
1
Ron
CRCW08051243F
Resistor
0805
124 kΩ 1%
1
Rpd
CRCW08051002F
Resistor
0805
10 kΩ 1%
1
Vendor
NSC
TDK
Central Semi
Vishay
Vishay
TDK
TDK
Panasonic
Vishay
Vishay
TABLE 3. Bill of Materials for Efficiency Curves
ID
Part Number
U1
LM3406
Q1
D1
L1
Cin1 Cin2
Co
Cf ,Cc
Cb
R3.5
R.7
R1
R1.5
Ron
Rpd Rout
OFF*
DIM1
DIM2
VIN GND
CS/LED-
Vo/LED+
Si3458DV
CMSH2-60M
VLF10045T-330M2R3
C4532X7R1H685M
C3216X7R1H474M
VJ0603Y104KXXAT
VJ0603Y223KXXAT
ERJ6RQFR56V
ERJ6RQFR62V
ERJ6RQFR30V
ERJ6RQFR16V
CRCW08051433F
CRCW06031002F
160-1512
160-1026
Type
Buck LED
Driver
N-MOSFET
Schottky Diode
Inductor
Capacitor
Capacitor
Capacitor
Capacitor
Resistor
Resistor
Resistor
Resistor
Resistor
Resistor
Terminal
Terminal
Size
eTSSOP-14
SOT23-6
SMA
10 x 10 x 4.5mm
1812
1206
0603
0603
0805
0805
0805
0805
0805
0603
0.062"
0.094"
Parameters
42V, 1.5A
60V, 2.8A
60V, 2A
33 µH, 2.3A, 70 mΩ
6.8 µF, 50V
470 nF, 50V
100 nF 10%
22 nF 10%
0.56Ω 1%
0.62Ω 1%
0.3Ω 1%
0.16Ω 1%
143kΩ 1%
10 kΩ 1%
Qty
Vendor
1
NSC
1
Vishay
1 Central Semi
1
TDK
2
TDK
1
TDK
2
Vishay
1
Vishay
1
Panasonic
1
Panasonic
1
Panasonic
1
Panasonic
1
Vishay
2
Vishay
3
Cambion
2
Cambion
21
www.national.com