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TPS40200SHKJ Datasheet(PDF) 5 Page - Texas Instruments |
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TPS40200SHKJ Datasheet(HTML) 5 Page - Texas Instruments |
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5 / 48 page  TPS40200-HT www.ti.com SGLS400C – OCTOBER 2009 – REVISED DECEMBER 2012 ELECTRICAL CHARACTERISTICS (continued) –55°C < TA = TJ < 210°C, VDD = 12 V, fOSC = 100 kHz (unless otherwise noted) TA = –55°C TO 125°C TA = 175°C (1) TA = 210°C PARAMETER TEST CONDITIONS UNIT MIN TYP MAX MIN TYP MAX MIN TYP MAX Soft Start Internal soft-start RSS(chg) 65 75 170 63 80 170 60 80 170 k Ω pullup resistance Internal soft-start RSS(dchg) 190 217 485 175 258 485 165 212 485 k Ω pulldown resistance Soft-start VSSRST reset 100 152 200 100 152 1000 100 150 1700 mV threshold Overcurrent Protection Over- VILIM current 35 100 150 35 108 150 35 108 150 mV threshold Over- OCDF current duty 2 2 % cycle(2) Over- current VILIM(rst) 90 105 200 90 110 200 90 110 200 mV reset threshold Oscillator Oscillator frequency 35 500 35 500 35 500 range(2) fOSC RRC = 200 kΩ, kHz 85 90 115 85 92 115 84 94 115 CRC = 470 pF Oscillator frequency RRC = 68.1 kΩ, 255 280 345 255 274 345 255 270 345 CRC = 470 pF Frequency 12 V < VDD < 52 V –9 0 –9 0 –9 0 line % 4.5 V < VDD < 12 V –20 0 –20 0 –20 0 regulation Ramp VRMP 4.5 V < VDD < 52 V VDD÷10 VDD÷10 VDD÷10 V amplitude Pulse-Width Modulator Minimum VDD = 12 V 360 500 445 900 525 980 tMIN controllable ns VDD = 30 V 170 250 176 450 240 480 pulse width fOSC = 100 kHz, 93 98 93 98 93 100 CL = 470 pF Maximum DMAX % duty cycle fOSC = 300 kHz, 87 96 87 96 87 96 CL = 470 pF Modulator and KPWM 8 10 12 8 10 12 8 10 12 V/V power-stage dc gain Error Amplifier Input bias IIB 100 250 130 440 680 1500 nA current Open-loop AOL 60 80 60 80 60 80 dB gain(2) Unity gain GBWP 1.5 3 2.5 2.5 MHz bandwidth(2) Output VFB = 0.6 V, ICOMP(src) source 100 250 100 250 100 250 μA COMP = 1 V current Output sink VFB = 1.2 V, ICOMP(snk) 1.0 2.5 1 2.5 1 2.5 mA current COMP = 1 V (2) By design only. Not tested in production. Copyright © 2009–2012, Texas Instruments Incorporated Submit Documentation Feedback 5 Product Folder Links: TPS40200-HT |
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