5Vac, X2 class R1: Fusible Resistor 10nF C2 R15 1 4.7mH L1 EMI Filter and Snubber Circuit C12 R12 280k 4.7uF RT1 100k 0.1uF C3 R2 820 AUX LM3447MT GND ISNS INV COMP GATE FF VCC FLT1 FLT2 BIAS HOLD VAC TSNS U1 820k R4 D2 HD06 3.9V D7 R3 820k C8 2.2uF R8 D5 BAV19WS-TP 5.1k 100 R5 STQ3N45K3-AP Q1 33nF C1 R14 10 22uF C9 D6 BAV19WS-TP UFM15PL-TP D3 SMAJ220A 220V, 400W D1 R11 0.27 800V Q2 10 R7 C7 6 7 1000pF 23.7k R10 220k R9 5 4 3 2 1 T1 750815047 3.2 mH + 470uF C5 D4 ES1D-13-F 22k R6 C6 LED+ J7 LED- 1uF, 50V J6 J9 J8 Output: 28V to 32V 4 180VAC to 265VAC J2 www.ti.com Schematic Schematic Figure 1. LM3447-A19-230VEVM Schematic LM3447-A19-230VEVM is a Phase-Dimmable, Primary-Side Regulated LED Driver 5 Test Setup www.ti.com 5 Test Setup 5.1 Test Equipment Voltage Source: 190 VRMS to 265 VRMS isolated AC source PCR500LA (KIKUSUI) Multimeters: Agilent 34401A Power Meter: PM1000 Digital Power Meter (Voltech) Output Load: 9 LEDs in series (VF = 3.2 V at 350 mA per LED) Oscilloscope: TDS3045C (
80k RT1 100k C3 0.22uF R2 470 GND 8 VCC 11 GATE 10 ISNS 9 BIAS 14 HOLD 13 AUX 12 LM3447MT 7 COMP 5 FF 6 INV 3 FTR1 4 FTR2 1 VAC 2 TSNS U1 LM3447MT 430k R4 D2 HD04 3.9V D7 R3 430k Q1 R8 5.1k R5 100 450V UFM15PL-TP D3 C8 2.2uF, 25V R14 10 22uF, 25V C9 D6 D5 BAV19WS-TP BAV19WS-TP C1 0.1uF SMAJ160A 160V, 400W D1 R11 0.2 650V Q2 10 R7 5 3 4 2 1 10 23.7k R10 R9 220k 1000pF C7 6 7 8 9 + R6 470uF 22k C5 D4 ES1D-13-F Wurth Electronics 750813049 T1 LED+ J7 LED- C6 1uF, 50V J6 J9 J8 Output: 28V to 32V 4 90VAC to 135VAC J2 www.ti.com Schematic Schematic Figure 1. LM3447-A19-120VEVM Schematic LM3447-A19-120VEVM is a Phase-Dimmable, Primary-Side Regulated LED Driver 5 Test Setup www.ti.com 5 Test Setup 5.1 Test Equipment Voltage Source: 105 VRMS to 135 VRMS isolated AC source PCR500LA (KIKUSUI) Multimeters: Agilent 34401A Power Meter: PM1000 Digital Power Meter (Voltech) Output Load: 9 LEDs in series (VF = 3.2 V at 350 mA per LED) Oscilloscope: TDS3045C (TEKTRONIX) Operating Temperature: 25C Recom
3 X Matte Tin X 1 260 for 10s LSH5-C3-TP Quadro MELF X Matte Tin X 1 260 for 10s BAV199-TP SOT-23 X Available X Matte Tin X 1 260 for 10s BAV199DW-TP SOT-363 X Available X Matte Tin X 1 260 for 10s BAV19W-TP SOD-123 X Available X Matte Tin X 1 260 for 10s BAV19WS-TP SOD-323 X Available X Matte Tin X 1 260 for 10s LSH5-C2-TP Quadro MELF X Matte Tin X 1 260 for 10s BAV20W-TP SOD-123 X Available X Matte Tin X 1 260 for 10s BAV20WS-TP SOD-323 X Available X Matte Tin X 1 260 for 10s LSH5-C1-TP Quadro MELF X Matte Tin X 1 260 for 10s BAV21W-TP SOD-123 X Available X Matte Tin X 1 260 for 10s BAV21WS-TP SOD-323 X Available X Matte Tin X 1 260 for 10s SOT-23 X Available X Matte Tin X 1 260 for 10s BAV23A-TP Available 5 5 5 X X X X MCC's EU RoHS and Green (Halogen Antimony Free) Parts List BAV23C-TP SOT-23 X Available X Matte Tin X 1 260 for 10s BAV23S-TP SOT-23 X Available X Matte Tin X 1 260 for 10s LSH5-B3-TP Quadro MELF X 5 X Matte Tin X 1 260 for 10s LSH5-B2-TP Quadro MELF X 5 X Matte Tin X 1 260 for