LM3445-EDSNEV/NOPB National Semiconductor, LM3445-EDSNEV/NOPB Datasheet
LM3445-EDSNEV/NOPB
Specifications of LM3445-EDSNEV/NOPB
Related parts for LM3445-EDSNEV/NOPB
LM3445-EDSNEV/NOPB Summary of contents
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... Warning: This LM3445 evaluation PCB is a non-isolated design. The ground connection on the evaluation board is NOT referenced to earth ground oscilloscope ground lead is connected to the evaluation board ground test point for analysis, and AC power is applied, the fuse (F1) will fail open. ...
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... Pull above 4.9V (typical) to tri-state DIM. 3 DIM Input/output dual function dim pin. This pin can be driven with an external PWM signal to dim the LEDs. It may also be used as an output signal and connected to the DIM pin of other LM3445 or LED drivers to dim multiple LED circuits simultaneously. 4 COFF OFF time setting pin ...
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... LM3445 Evaluation Board Schematic 3 www.national.com ...
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... Bill of Materials LM3445 Evaluation Board REF DES U1 IC DRIVER LED W/TRIAC DIM 10MSOP C1, C10 Ceramic, 47000pF, 500V, X7R, 1210 C2 CAP FILM MKP .0047µF 310VAC X2 C3 CAP 470µF 50V ELECT PW RADIAL C4/RBLDR (Note 1) C5 Ceramic, .33µF, 250V, X7R, 1812 C6 CAP .10µF 305VAC EMI SUPPRESSION C8 Ceramic, 47µ ...
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Output Current versus Number of LEDs for Various Modifications # of LEDs Output Current (mA) Original Circuit 340 6 315 7 300 8 275 9 260 10 245 11 230 12 215 13 205 14 (Note ...
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Typical Performance Characteristics Efficiency vs. Line Voltage Original Circuit Efficiency vs. Line Voltage Modification A Efficiency vs. Line Voltage Modification B www.national.com Power Factor vs. Line Voltage Original Circuit 30124602 Power Factor vs. Line Voltage Modification A 30124611 Power Factor ...
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... PCB Layout Warning: The LM3445 evaluation boards have no isolation or any type of protection from shock. Caution must be taken when handling evaluation board. Avoid touching evaluation board, and removing any cables while evaluation board is operating. Isolating the evaluation board rather than the oscilloscope is highly recommended ...
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EMI/EMC Information Frequency Quasi-peak Amplitude Neutral 154 kHz Line 1.1 MHz www.national.com Radiated EMI Conducted EMC. Line = Blue, Neutral = Black. Quasi-peak Quasi-peak Limit Delta 30124615 30124616 Average Average Limit Average Amplitude Delta 47 56 ...
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Notes 9 www.national.com ...
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