Datasheet
LM3450
SNVS681D –NOVEMBER 2010–REVISED MAY 2013
www.ti.com
15W TWO STAGE DESIGN SPECIFICATIONS
AC Input Voltage: 120V
AC
nominal (90V
AC
- 135V
AC
) or 230V
AC
nominal (180V
AC
- 265V
AC
)
Regulated Flyback Output Voltage: 50V
Regulated LED Current: 350mA
LED Stack Voltage Maximum: 45V
Table 2. Bill of Materials
(1)
Reference Designator Description Manufacturer Part Number
LM3450 IC PFC CONT 16-TSSOP TI LM3450MT
LM3409HV IC LED DRIVR 10-eMSOP TI LM3409HVMY
LMV431 IC SHUNT REG SOT-23 TI LMV431AIM5
C1a, C1b, C5a, 120V CAP CER 0.22µF 250V 1210 MURATA GRM32DR72E224KW01L
C5b
230V CAP CER 68nF 250V 1210 MURATA GRM32QR72E683KW01L
C2 CAP MPY 33nF 250VAC X1 RAD EPCOS B32912A3333M
C3 CAP CER 47µF 6.3V 0805 TAIYO YUDEN JMK212BJ476MG-T
C4 120V CAP MPY 0.1µF 400V RAD EPCOS B32612A4104J008
230V CAP MPY 33nF 1000V RAD WIMA MKP10 - .033/1000/10
C6 CAP CER 4.7nF 500VAC Y1 RAD EPCOS VY1472M63Y5UQ63V0
C7a CAP ELEC 470µF 63V RAD NICHICON UPW1J471MHD3
C7b, C8b, C9b, C11, C15 CAP CER 0.1µF 50V 1206 MURATA GRM188R71H104KA93D
C8a, C9a CAP ELEC 100µF 50V RAD NICHICON UHE1H101MPD
C10 CAP CER 10nF 25V 0603 MURATA GRM188R71E103KA01D
C12, C13 C14, C21 CAP CER 1µF 16V 0603 MURATA GRM188R71C105KA12D
C16 CAP CER 0.22µF 16V 0603 TDK C1608X7R1C224K
C17 CAP CER 10µF 16V 1206 MURATA GRM31CR71C106KAC7L
C18, C20 CAP CER 1µF 100V 1206 TDK C3216X7R2A105M
C19 CAP CER 2.2µF 6.3V 0603 TDK C1608X5R0J225M
C22 CAP CER 470pF 100V 0603 TDK C1608C0G2A471J
D1 120V DIODE ULTRAFAST 200V 1A SMA FAIRCHILD ES1D
230V DIODE FAST 400V 1A DO-214AC FAIRCHILD ES1G
D2 DIODE ULTRAFAST 200V 1A SMA FAIRCHILD ES1D
D3, D5 DIODE ULTRAFAST 100V 0.2A SOT-23 FAIRCHILD MMBD914
D4 DIODE DUAL SCHOTTKY 20V 0.5A SOT-23 NXP SEMI PMEG3005CT,215
D6 120V DIODE TVS 150V 600W UNI SMB LITTLEFUSE SMBJ150A
230V DIODE TVS 220V 600W UNI SMB LITTLEFUSE SMBJ220A
D7 DIODE ULTRAFAST 600V 1A SMA FAIRCHILD ES1J
D8 DIODE ZENER 24V 1.5W SMA MICRO-SEMI SMAJ5934B-TP
D9 DIODE SCHOTTKY 20V 3A SMA FAIRCHILD ES2AA-13-F
D10 DIODE RECT 600V 0.5A Minidip COMCHIP HD06
D11, D12 DIODE ZENER 10V 500mW SOD-123 FAIRCHILD MMSZ5240B
D13 DIODE ULTRAFAST 70V 0.2A SOT-23 FAIRCHILD BAV99
D14 DIODE ZENER 3.3V 500mW SOD-123 ON-SEMI MMSZ3V3T1G
D15 DIODE ZENER 1.8V 500MW SOD-123 ON-SEMI MMSZ4678T1G
D16 DIODE SCHOTTKY 60V 2A SMB ON-SEMI SS26T3G
D17 DIODE ZENER 3.9V 500MW SOD-123 ON-SEMI MMSZ4686T1G
D18 DIODE ZENER 18V 500MW SOD-123 ON-SEMI MMSZ5248T1G
L1, L2, L3 IND SHIELD 1mH 0.46A SMT COILCRAFT MSS1038-105KL
(1) Components are used in both versions unless otherwise noted
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