LM3424 Datasheet, PDF (46/69 Pages) National Semiconductor (TI) – Constant Current N-Channel Controller with Thermal Foldback for Driving LEDs

LM3424, LM3424-Q1
SNVS603C – AUGUST 2009 – REVISED AUGUST 2015
Typical Applications (continued)
QTY
1
1
1
1
1
1
1
1
2
1
1
1
2
1
1
1
1
1
1
PART ID
D1
L1
Q1
Q2
R_BIAS
R_CSH
R_FS
R_GAIN
R_HSP, R_HSN
R_LIM
R_OV1
R_OV2
R_REF1, R_REF2
R_SLP
R_SNS
R_T
R_UV1
R_UV2
NTC
Table 1. Bill of Materials (continued)
PART VALUE
Schottky 100V 12A
33 µH 20% 6.3A
NMOS 100V 32A
PNP 150V 600 mA
24.3 kΩ 1%
12.4 kΩ 1%
10Ω 1%
6.81 kΩ 1%
1.0 kΩ 1%
0.04Ω 1% 1W
15.8 kΩ 1%
499 kΩ 1%
49.9 kΩ 1%
16.5 kΩ 1%
0.1Ω 1% 1W
14.3 kΩ 1%
21 kΩ 1%
150 kΩ 1%
Thermistor 100 kΩ 5%
MANUFACTURER
VISHAY
COILCRAFT
FAIRCHILD
FAIRCHILD
VISHAY
VISHAY
VISHAY
VISHAY
VISHAY
VISHAY
VISHAY
VISHAY
VISHAY
VISHAY
VISHAY
VISHAY
VISHAY
VISHAY
TDK
8.2.2.3 Application Curve
100
95
90
85
80
75
70
0
16
32
48
64
80
V_IN (V)
Figure 40. Efficiency vs. Input Voltage
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PART NUMBER
12CWQ10FNPBF
MSS1278-333MLB
FDD3682
MMBT5401
CRCW080524K3FKEA
CRCW080512K4FKEA
CRCW080510R0FKEA
CRCW08056K81FKEA
CRCW08051K00FKEA
WSL2512R0400FEA
CRCW080515K8FKEA
CRCW0805499KFKEA
CRCW080549K9FKEA
CRCW080516K5FKEA
WSL2512R1000FEA
CRCW080514K3FKEA
CRCW080521K0FKEA
CRCW0805150KFKEA
NTCG204H154J
46
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