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UCC2897A Datasheet(PDF) 10 Page - Texas Instruments |
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UCC2897A Datasheet(HTML) 10 Page - Texas Instruments |
10 / 46 page TJ -- Junction Temperature -- °C 0 0.2 0.4 1.0 1.2 1.4 --50 --25 0 25 50 75 100 125 0.6 0.8 Hiccup Mode Cycle-by-Cycle Current Limit --50 --25 0 25 50 75 100 125 2.10 2.15 2.20 2.35 2.45 2.50 2.30 2.25 2.40 TJ -- Junction Temperature -- °C --50 --25 0 25 50 75 100 125 67 66 69 68 70 72 71 73 74 TJ -- Junction Temperature -- °C RON = ROFF = 75 kΩ TJ -- Junction Temperature -- °C 225 230 235 260 270 275 240 --50 --25 0 25 50 75 100 125 245 250 255 265 RON = ROFF = 75 kΩ 10 1 K 10 K 100 K 10 M 100 1000 1 M RON = ROFF -- Timing Resistance -- kΩ --50 0.42 0.40 --25 0 25 50 75 100 125 0.46 0.44 0.50 0.48 0.54 0.52 0.58 0.56 0.60 TJ -- Junction Temperature -- °C UCC2897A SLUS829E – AUGUST 2008 – REVISED APRIL 2015 www.ti.com Typical Characteristics (continued) Figure 8. Soft Start/Shutdown Threshold Voltage vs. Figure 9. Switching Frequency vs. Programming Resistance Junction Temperature Figure 10. Oscillator Frequency vs. Junction Temperature Figure 11. Maximum Duty Cycle vs. Junction Temperature Figure 13. Synchronization Threshold Voltage vs. Junction Figure 12. Current Sense Threshold Voltage vs. Junction Temperature Temperature 10 Submit Documentation Feedback Copyright © 2008–2015, Texas Instruments Incorporated Product Folder Links: UCC2897A |
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