Datasheet
LM3448
SNOSB51C –SEPTEMBER 2011–REVISED MAY 2013
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Table 1. DESIGN #1 BILL OF MATERIALS
Part ID Description Manufacturer Part Number
U1 IC LED Driver Texas Instruments LM3448MA
BR1 Bridge Rectifier Vr = 400V, Io = 0.8A, Vf = 1V Diodes Inc. HD04-T
C2 Ceramic, 0.01uF, X7R, 25V, 10% Murata GRM188R71E103KA01D
C3 Ceramic, 1000pF 500V X7R 1206 Kemet C1206C102KCRACTU
C12 .01uF KEMIT C1808C103KDRACTU
C6, C10 CAP 33uF 100V ELECT NHG RADIAL Panasonic-ECG ECA-2AHG330
C7 22uF, Ceramic, X5R, 25V, 10% Murata GRM32ER61E226KE15L
C8 DNP - -
C9 4.7uF C3216X7R1E475K
C11 DNP - -
C13 Ceramic, 1.0uF 100V X7R 1206 Murata GRM31CR72A105KA01
C14 Ceramic, X7R, 16V, 10% Murata GRM188R71C474KA88D
C15 Ceramic, 0.1uF, X7R, 16V, 10% Murata GRM188R71C104KA01D
C16 Ceramic, 0.22uF, X7R, 16V, 10% Murata GRM188R71E224KA88D
C17 Ceramic, 330pF 100V C0G 0603 Murata GCM1885C2A331JA16D
D1 DIODE ZENER 225MW 15V SOT23 ON Semiconductor BZX84C15LT1G
D2, D3, D5, D6, D7 DIODE FAST REC 200V 1A Rohm Semiconductor RF071M2STR
D4 DIODE SWITCH SS DUAL 70V SOT323 Fairchild BAV99WT1G
D8 DIODE SUPER FAST 200V 1A SMB Diodes Inc MURS120-13-F
F1 FUSE 1A 125V FAST Cooper/Bussman 6125FA1A
L2 10mH, FERRITE CHIP POWER 160 OHM Steward HI1206T161R-10
L3 1mH, Shielded Drum Core, Coilcraft Inc. MSS1260-105
Q1 MOSFET N-CHAN 250V 4.4A DPAK Fairchild FDD6N25
Q2, Q3 TRANS NPN 350MW 40V SMD SOT23 Diodes Inc MMBT4401-7-F
Q4 MOSFET P-CH 50V 130MA SOT-323 Diodes Inc BSS84W-7-F
Q5 TRANS HIVOLT PNP AMP SOT-23 Fairchild MMBTA92
Q6 MOSFET N-CHANNEL 100V SOT323 Diodes Inc BSS123W-7-F
Q8 TRANS PNP LP 100MA 30V SOT23 ON Semiconductor BC858CLT1G
R2 4.75M, 0805, 1%, 0.125W Vishay-Dale CRCW08054M75FKEA
R3 1%, 0.25W Vishay-Dale CRCW1206332kFKEA
R4 DNP - -
R5, R16 RES 49.9K OHM, 0.1W, 1% 0603 Vishay-Dale CRCW060349k9FKEA
R6 RES 100K OHM, 0.25W1%, 1206 Vishay-Dale CRCW1206100kFKEA
R7 RES 7.50K OHM, 0.1W, 1% 0603 Vishay-Dale CRCW06037k50FKEA
R8 RES 10.0K OHM, 0.1W, 1% 0603 Vishay-Dale CRCW060310k0FKEA
R9 RES 100 OHM, 0.25W1%, 1206 Vishay-Dale CRCW1206100RFKEA
R10 RES 124 OHM, 0.25W1%, 1206 Vishay-Dale CRCW1206124RFKEA
R11 RES 200K OHM, 0.125W, 1%, 0805 Vishay-Dale CRCW0805200kFKEA
R12, R13 RES 1.0M OHM, 0.125W, 1%, 0805 Vishay-Dale CRCW08051M00FKEA
R14 RES 576K OHM, 1/10W 1% 0603 Vishay-Dale CRCW0603576kFKEA
R15 RES 280K OHM, 1/10W 1% 0603 Vishay-Dale CRCW0603280kFKEA
R17 DNP - -
R18 RES 301 OHM, 0.25W1%, 1206 Vishay-Dale CRCW1206301RFKEA
R19 RES 49.9 OHM, 0.125W, 1%, 0805 Vishay-Dale CRCW080549R9FKEA
R21 RES 12.1 OHM, 0.25W1%, 1206 Vishay-Dale CRCW120612R1FKEA
R22 RES 1.8 OHM 1/3W 5% 1210 Vishay-Dale CRCW12101R80JNEA
R23 RES 499 OHM, 0.25W1%, 1206 Vishay-Dale CRCW1206499RFKEA
RT1 CURRENT LIM INRUSH 60OHM 20% Canterm MF72-060D5
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