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TPS62005 Datasheet(PDF) 9 Page - Texas Instruments |
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TPS62005 Datasheet(HTML) 9 Page - Texas Instruments |
9 / 25 page TPS62000, TPS62001, TPS62002, TPS62003 TPS62004, TPS62005, TPS62006, TPS62007, TPS62008 HIGHEFFICIENCY STEPDOWN LOW POWER DCDC CONVERTER SLVS294C − SEPTEMBER 2000 − REVISED SEPTEMBER 2003 9 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 electrical characteristics over recommended operating free-air temperature range, VI = 3.6 V, VO = 2.5 V, IO = 300 mA, EN = VIN, ILIM = VIN, TA = −40°C to 85°C (unless otherwise noted) (continued) power switch and current limit PARAMETER TEST CONDITIONS MIN TYP MAX UNIT P-channel MOSFET on-resistance VI = VGS = 3.6 V, I = 200 mA 200 280 410 m Ω P-channel MOSFET on-resistance VI = VGS = 2 V, I = 200 mA 480 m Ω rDS(on) P-channel leakage current VDS = 5.5 V 1 µA rDS(on) N-channel MOSFET on-resistance VI = VGS = 3.6 V, IO = 200 mA 200 280 410 m Ω N-channel MOSFET on-resistance VI = VGS = 2 V, IO = 200 mA 500 m Ω N-channel leakage current VDS = 5.5 V 1 µA I(LIM) P-channel current limit 2.5 V ≤ VI ≤ 5.5 V, ILIM = VIN 800 1200 1600 mA I(LIM) P-channel current limit 2 V ≤ VI ≤ 5.5 V, ILIM = GND 390 600 900 mA VIH ILIM high-level input voltage 1.3 V VIL ILIM low-level input voltage 0.4 V Ilkg ILIM input leakage current ILIM = GND or VIN 0.01 0.1 µA power good output (see Note 3) PARAMETER TEST CONDITIONS MIN TYP MAX UNIT V(PG) Power good threshold Feedback voltage falling 88% VO 92% VO 94% VO V Power good hysteresis 2.5% VO V VOL PG output low voltage V(FB) = 0.8 × VO nominal, I(sink) = 10 µA 0.3 V Ilkg PG output leakage current V(FB) = VO nominal 0.01 1 µA Minimum supply voltage for valid power good signal 1.2 V NOTE 3: Power good is not valid for the first 100 µs after EN goes high. Please refer to the application section for more information. oscillator PARAMETER TEST CONDITIONS MIN TYP MAX UNIT fs Oscillator frequency 500 750 1000 kHz f(SYNC) Synchronization range CMOS-logic clock signal on SYNC pin 500 1000 kHz VIH SYNC high level input voltage 1.3 V VIL SYNC low level input voltage 0.4 V Ilkg SYNC input leakage current SYNC = GND or VIN 0.01 0.1 µA Duty cycle of external clock signal 20% 60% |
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