Datenblatt-Suchmaschine für elektronische Bauteile |
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LM4961 Datenblatt(PDF) 6 Page - Texas Instruments |
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LM4961 Datenblatt(HTML) 6 Page - Texas Instruments |
6 / 23 page 20 30 40 50 60 70 80 90 100 DUTY CYCLE (%) = [1 - EFF*(VIN / VOUT)] 0 500 1000 1500 2000 2500 3000 VIN = 5V VIN = 3.3V VIN = 2.7V VIN = 3V 1.4 1.42 1.44 1.46 1.48 1.5 1.52 1.54 1.56 1.58 TEMPERATURE ( oC) VIN = 5V VIN = 3.3V -50 -25 0 25 50 75 100 125 150 2 2.5 3 3.5 4 4.5 5 5.5 SUPPLY VOLTAGE (V) 0 2 4 6 8 10 12 20 100 1k 20k FREQUENCY (Hz) -28 -24 -20 -16 -12 -8 -4 0 4 8 12 16 20 2k 5k 10k 500 200 50 0 1 2 3 4 5 6 OUTPUT VOLTAGE (V) 0 50 100 150 200 250 0 1 2 3 4 5 6 OUTPUT VOLTAGE (V) 0 50 100 150 200 250 300 LM4961, LM4961LQBD SNAS242J – AUGUST 2004 – REVISED MARCH 2007 www.ti.com Typical Performance Characteristics (continued) Power Dissipation vs Output Power Power Dissipation vs Output Power VDD = 4.2V, RL = 2μF + 30Ω, f = 1kHz VDD = 3.2V, RL = 2μF + 30Ω, f = 1kHz Figure 9. Figure 10. Frequency Response vs Input Capacitor Size Supply Current vs Supply Voltage RL = 8Ω RL = 2μF + 30Ω, VIN = 0V, RSOURCE = 50Ω from top to bottom: Ci = 1.0μF, Ci = 0.39μF, Ci = 0.039μF Figure 11. Figure 12. Switch Current Limit vs Duty Cycle Oscillator Frequency vs Temperature Figure 13. Figure 14. 6 Submit Documentation Feedback Copyright © 2004–2007, Texas Instruments Incorporated Product Folder Links: LM4961 LM4961LQBD |
Ähnliche Teilenummer - LM4961_14 |
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Ähnliche Beschreibung - LM4961_14 |
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