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TPS54610PWPR Datasheet(PDF) 3 Page - Texas Instruments |
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TPS54610PWPR Datasheet(HTML) 3 Page - Texas Instruments |
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3 / 24 page  www.ti.com ELECTRICAL CHARACTERISTICS TPS54610 SLVS398F – JUNE 2001 – REVISED APRIL 2007 over operating free-air temperature range unless otherwise noted PARAMETER TEST CONDITIONS MIN TYP MAX UNIT SUPPLY VOLTAGE, VIN Input voltage range, VIN 3 6 V fs = 350 kHz, SYNC ≤ 0.8 V, RT open, 11 15.8 PH pin open I(Q) Quiescent current fs = 550 kHz, SYNC ≥ 2.5 V, RT open, mA 16 23.5 PH pin open Shutdown, SS/ENA = 0 V 1 1.4 UNDER VOLTAGE LOCK OUT Start threshold voltage, UVLO 2.95 3.0 V Stop threshold voltage, UVLO 2.70 2.80 V Hysteresis voltage, UVLO 0.14 0.16 V Rising and falling edge deglitch, UVLO(1) 2.5 µs BIAS VOLTAGE Output voltage, VBIAS I(VBIAS) = 0 2.70 2.80 2.90 V Output current, VBIAS (2) 100 µA CUMULATIVE REFERENCE Vref Accuracy 0.882 0.891 0.900 V REGULATION IL = 3 A, fs = 350 kHz, TJ = 85°C 0.04 Line regulation(2)(3) %/V IL = 3 A, fs = 550 kHz, TJ = 85°C 0.04 IL = 0 A to 6 A, fs = 350 kHz, TJ = 85°C 0.03 Load regulation(1)(3) %/A IL = 0 A to 6 A, fs = 550 kHz, TJ = 85°C 0.03 OSCILLATOR SYNC ≤ 0.8 V, RT open 280 350 420 Internally set—free running frequency kHz SYNC ≥ 2.5 V, RT open 440 550 660 RT = 180 k Ω (1% resistor to AGND)(1) 252 280 308 Externally set—free running frequency range RT = 100 k Ω (1% resistor to AGND) 460 500 540 kHz RT = 68 k Ω (1% resistor to AGND)(1) 663 700 762 High level threshold, SYNC 2.5 V Low level threshold, SYNC 0.8 V Pulse duration, external synchronization, 50 ns SYNC(1) Frequency range, SYNC(1) 330 700 kHz Ramp valley(1) 0.75 V Ramp amplitude (peak-to-peak)(1) 1 V Minimum controllable on time(1) 200 ns Maximum duty cycle 90% ERROR AMPLIFIER Error amplifier open loop voltage gain 1 k Ω COMP to AGND(1) 90 110 dB Error amplifier unity gain bandwidth Parallel 10 k Ω, 160 pF COMP to AGND(1) 3 5 MHz Error amplifier common mode input voltage Powered by internal LDO(1) 0 VBIAS V range Input bias current, VSENSE VSENSE = Vref 60 250 nA Output voltage slew rate (symmetric), 1 1.4 V/ µs COMP (1) Specified by design (2) Static resistive loads only (3) Specified by the circuit used in Figure 10 3 Submit Documentation Feedback |
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