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TPS54610MPWPREP Datasheet(PDF) 4 Page - Texas Instruments |
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TPS54610MPWPREP Datasheet(HTML) 4 Page - Texas Instruments |
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4 / 24 page  www.ti.com DISSIPATION RATINGS (1) (2) ELECTRICAL CHARACTERISTICS TPS54610-EP SGLS294A – FEBRUARY 2005 – REVISED AUGUST 2007 THERMAL IMPEDANCE TA = 25°C TA = 70°C TA = 85°C PACKAGE JUNCTION-TO-AMBIENT POWER RATING POWER RATING POWER RATING 28-pin PWP with solder 18.2 °C/W 5.49 W(3) 3.02 W 2.20 W 28-pin PWP without solder 40.5 °C/W 2.48 W 1.36 W 0.99 W (1) For more information on the PWP package, see the Texas Instruments technical brief SLMA002. (2) Test board conditions: a. 3 inch x 3 inch, 4 layers, thickness: 0.062 inch b. 1.5 oz. copper traces located on the top of the PCB c. 1.5 oz. copper ground plane on the bottom of the PCB d. 0.5 oz. copper ground planes on the two internal layers e. 12 thermal vias (see Recommended Land Pattern in the Application Information section of this data sheet. (3) Maximum power dissipation may be limited by overcurrent protection. over operating free-air temperature range (unless otherwise noted) PARAMETER TEST CONDITIONS MIN TYP MAX UNIT SUPPLY VOLTAGE, VINL Input voltage range, VIN 3 6 V fs = 350 kHz, FSEL ≤ 0.8 V, RT open, PH pin 9.8 19 open I(Q) Quiescent current fs = 550 kHz, FSEL ≥ 2.5 V, RT open, PH pin mA 14 25 open Shutdown, SS/ENA = 0 V 1 1.4 UNDER VOLTAGE LOCK OUT Start threshold voltage, UVLO 2.95 3 V Stop threshold voltage, UVLO 2.7 2.8 V Hysteresis voltage, UVLO 0.12 0.16 V Rising and falling edge deglitch, UVLO(1) 2.5 µs BIAS VOLTAGE Output voltage, VBIAS I(VBIAS) = 0 2.7 2.8 2.95 V Output current, VBIAS(2) 100 A CUMULATIVE REFERENCE Vref Accuracy (1) 0.882 0.891 0.9 V REGULATION IL = 3 A, fs = 350 kHz, TJ = 85°C 0.07 Line regulation(1) (3) %/V IL = 3 A, fs = 550 kHz, TJ = 85°C 0.07 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 FSEL ≤ 0.8 V, RT open 270 350 425 Internally set—free-running frequency kHz FSEL ≥ 2.5 V, RT open 415 550 662 Externally set—free-running frequency RT = 180 k Ω (1% resistor to AGND)(1) 245 280 315 range RT = 160 k Ω (1% resistor to AGND)(1) 285 312 360 kHz RT = 68 k Ω (1% resistor to AGND)(1) 655 700 773 High-level threshold, FSEL 2.5 V Low-level threshold, FSEL 0.8 V Pulse duration, external synchronization, 50 ns FSEL(1) Frequency range, FSEL(1) 330 700 kHz (1) Specified by design (2) Static resistive loads only (3) Specified by the circuit used in Figure 10. 4 Submit Documentation Feedback Copyright © 2005–2007, Texas Instruments Incorporated Product Folder Link(s): TPS54610-EP |
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