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TPS40210QDGQRQ1 Datasheet(PDF) 3 Page - Texas Instruments |
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TPS40210QDGQRQ1 Datasheet(HTML) 3 Page - Texas Instruments |
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3 / 41 page  TPS40210-Q1, TPS40211-Q1 www.ti.com SLVS861D – AUGUST 2008 – REVISED APRIL 2010 ELECTRICAL CHARACTERISTICS TJ = –40°C to 125°C, VVDD= 12 Vdc, all parameters at zero power dissipation (unless otherwise noted) PARAMETER TEST CONDITIONS MIN TYP MAX UNIT Voltage Reference TJ = 25°C 693 700 707 COMP = FB, TPS40210 4.5 ≤ VVDD ≤ 52 V –40°C ≤ TJ ≤ 125°C 686 700 714 VFB Feedback voltage range mV TJ = 25°C 254 260 266 COMP = FB, TPS40211 4.5 ≤ VVDD ≤ 52 V –40°C ≤ TJ ≤ 125°C 250 260 270 Input Supply VVDD Input voltage range 4.5 52 V 4.5 ≤ VVDD ≤ 52 V, no switching, VDIS < 0.8 1.5 2.5 mA IVDD Operating current 2.5 ≤ VDIS ≤ 7 V 10 20 mA VVDD < VUVLO(on), VDIS < 0.8 530 mA Undervoltage Lockout (UVLO) VUVLO(on) Turn on threshold voltage 4.00 4.25 4.50 V VUVLO(hyst) UVLO hysteresis 140 195 240 mV Oscillator Oscillator frequency range(1) 35 1000 fOSC kHz Oscillator frequency RRC = 182 kΩ, CRC = 330 pF 260 300 340 4.5 ≤ VDD ≤ 52 V –20 7 Frequency line regulation % 7 ≤ VDD ≤ 52 V -10 7 VSLP Slope compensation ramp 520 620 720 mV PWM VVDD = 12 V (1) 275 400 tON(min) Minimum pulse width ns VVDD = 30 V 90 200 tOFF(min) Minimum off time 170 200 ns VVLY Valley voltage 1.2 V Soft-Start Offset voltage from SS pin to error VSS(ofst) 1 V amplifier input RSS(chg) Soft-start charge resistance 320 430 600 k Ω RSS(dchg) Soft-start discharge resistance 840 1200 1600 k Ω Error Amplifier GBWP Unity gain bandwidth product(1) 1.5 3.0 MHz AOL Open loop gain(1) 60 80 dB Input bias current (current out of FB IIB(FB) 100 300 nA pin) ICOMP(src) Output source current VFB = 0.6 V, VCOMP = 1 V 100 250 mA ICOMP(snk) Output sink current VFB = 1.2 V, VCOMP = 1 V 1.2 2.5 mA Overcurrent Protection Overcurrent detection threshold (at VISNS(oc) 4.5 ≤ VDD < 52 V, –40°C ≤ TJ ≤ 125°C 120 150 180 mV ISNS pin) DOC Overcurrent duty cycle(1) 2 % Overcurrent reset threshold voltage VSS(rst) 100 150 350 mV (at SS pin) TBLNK Leading edge blanking 75 ns (1) Specified by design Copyright © 2008–2010, Texas Instruments Incorporated Submit Documentation Feedback 3 Product Folder Link(s): TPS40210-Q1 TPS40211-Q1 |
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