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TPS40077 Datasheet(PDF) 9 Page - Texas Instruments |
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TPS40077 Datasheet(HTML) 9 Page - Texas Instruments |
9 / 43 page www.ti.com 100 1.5 0.5 200 300 400 500 600 700 800 900 1000 1.0 3.0 2.0 2.5 3.5 5.0 4.0 4.5 VIN = 28 V VIN = 24 V VIN = 18 V VIN = 15 V VIN = 12 V VIN = 10 V VIN = 8 V VIN = 5 V fOSC − Oscillator Frequency − kHz TJ − Junction Temperature − °C −50 −25 50 100 125 0 25 75 0 −90 −80 −70 −10 −30 −60 −20 −40 −50 RKFF − Feedforward Impedance − kΩ 100 150 250 300 350 450 200 400 4 2 8 6 10 14 12 18 16 20 UVLOVON fSW = 300 kHz UVLOVOFF fSW − Switching Frequency − kHz 0 100 0 200 400 600 800 1000 200 300 400 500 600 G017 TPS40077 SLUS714 – JANUARY 2007 TYPICAL CHARACTERISTICS (continued) ERROR AMPLIFIER INPUT BIAS CURRENT MINIMUM OUTPUT VOLTAGE vs vs JUNCTION TEMPERATURE FREQUENCY Figure 13. Figure 14. SWITCHING FREQUENCY UNDERVOLTAGE LOCKOUT THRESHOLD vs vs TIMING RESISTANCE FEED-FORWARD IMPEDANCE Figure 15. Figure 16. 9 Submit Documentation Feedback |
Similar Part No. - TPS40077_07 |
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Similar Description - TPS40077_07 |
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