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LM2742 Datasheet(PDF) 7 Page - Texas Instruments |
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LM2742 Datasheet(HTML) 7 Page - Texas Instruments |
7 / 33 page 0 5 10 15 20 25 30 35 40 100 300 500 700 9001100 13001500 17001900 PWM FREQUENCY (kHz) 10 15 20 25 30 9001000110012001300140015001600170018001900 PWM FREQUENCY (kHz) PWM FREQUENCY (kHz) 0 100 200 300 400 500 100 150 200 250 300 350 400450 500 600 700 800 LM2742 www.ti.com SNVS266C – MARCH 2004 – REVISED MARCH 2013 TYPICAL PERFORMANCE CHARACTERISTICS (continued) RFADJ vs PWM Frequency RFADJ vs PWM Frequency (in 100 to 800kHz range), TA = 25°C (in 900 to 2000kHz range), TA = 25°C Figure 9. Figure 10. Switch Waveforms (HG Falling) VCC Operating Current Plus Boot Current vs VIN = 5V, VO = 1.8V PWM Frequency (Si4826DY FET, TA = 25°C) IO = 3A, CSS = 10nF, FSW = 600kHz Figure 11. Figure 12. Switch Waveforms (HG Rising) Start-Up (No-Load) VIN = 5V, VO = 1.8V VIN = 10V, VO = 1.2V IO = 3A, FSW = 600kHz CSS = 10nF, FSW = 300kHz Figure 13. Figure 14. Copyright © 2004–2013, Texas Instruments Incorporated Submit Documentation Feedback 7 Product Folder Links: LM2742 |
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Similar Description - LM2742_15 |
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