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SG1845L Datasheet(PDF) 10 Page - Microsemi Corporation |
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SG1845L Datasheet(HTML) 10 Page - Microsemi Corporation |
10 / 12 page C URRENT -M ODE PWM C ONTROLLER SG1844/SG1845 Series PRODUCT DA T ABOOK 1996/1997 Copyright © 2000 Rev. 1.6c 10 P RODUCTION D ATA S HEET APPLICA TION INFORMA TION OSCILLATOR The oscillator of the 1844/45 family of PWM's is programmed by the external timing components (RT, CT) as shown in Figure 13. FIGURE 12 — OSCILLATOR TIMING CIRCUIT V REF R T/CT GND R T C T FIGURE 13 — OSCILLATOR FREQUENCY vs. R T FOR VARIOUS CT 100K 1K 100 10K Oscillator Frequency - (Hz) 100K 1K 10K 1M 47nF F ≈ where R T ≥ 5kΩ 1.86 R TCT |
Similar Part No. - SG1845L |
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Similar Description - SG1845L |
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