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TPIC74100-Q1 Datasheet(PDF) 5 Page - Texas Instruments |
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TPIC74100-Q1 Datasheet(HTML) 5 Page - Texas Instruments |
5 / 30 page www.ti.com ELECTRICAL CHARACTERISTICS TPIC74100-Q1 BUCK/BOOST SWITCH-MODE REGULATOR SLIS125 – DECEMBER 2006 V (driver) = 6 V to 17 V, TA = -40°C to 125°C, unless otherwise noted Parameters TEST CONDITIONS Min Typ Max Unit V(driver) Unregulated input voltage 1.5 40 V V(driver) Start-up condition voltage IO = 600 mA 5 V CO = 36 µF (min) to 220 µF (max) 4 20 SOM Soft-start ramp V/ms CO = 220 µF (min) to 470 µF (max), see 2 20 Note (1) I(standby) Standby current ENABLE = low 10 20 µA Iq Quiescent current CLP = 0 V, V(driver) = 11 V, IO = 0 mA 100 160 µA VO Output voltage DC 5 V Normal mode 2% VO Output-voltage tolerance Boost/buck crossover or low-power 3% mode IO Output current V(driver)≥ 7 V 1 A V(driver) = 2 V, see Note (2) 200 IO(Boost) Output current, boost mode mA V(driver)= 1.5 V, see Note (2) 120 Internal peak current limit (normal IPPn (1) 1.75 2.5 A mode) Internal peak current limit (low-power IPPl (1) 0.75 1.25 mode) IP Peak current V(driver) = 16 V, IO = 1 A, and L = 33 µH 1.5 A Boost/buck crossover voltage V(driver) See Note (3) 5 5.9 V window Tot Thermal shutdown(4) 160 180 200 °C 5Vg Output and ENABLE rDS(on) On-state resistance 135 225 m Ω IO Output current 400 mA VI 5Vg_ENABLE input-voltage range –0.5 VO V VIH 5Vg_ENABLE threshold high voltage V(5Vg) = 5 V 2.5 3 3.5 V VIL 5Vg_ENABLE threshold low voltage V(5Vg) = 0 V 1.5 2 2.5 V V(hys) Hysteresis voltage 0.5 1 V r(pd) Internal pulldown resistor 300 500 850 k Ω ENABLE VI ENABLE input-voltage range –0.5 40 V 8 V ≤ V (driver) ≤ 17 V 2.5 3 3.5 VIH ENABLE threshold high voltage V 6 V ≤ V (driver) < 8 V 1.9 3 3.5 VIL ENABLE threshold low voltage VO = 5 V 1.5 2 2.5 V 8 V ≤ V (driver) ≤ 17 V 0.5 1 V(hys) Hysteresis voltage V 6 V ≤ V (driver) < 8 V 0.1 (1) Ensured by characterization. (2) Tested with inductor having following characteristics: L = 33 µH, Rmax = 0.1 Ω, IR = 1.8 A. Output current must be verified in application when inductor Rmax (ESR) is increased. (3) Ensured by characterization. For further details, see the Buck/Boost Transitioning section. (4) Ensured by characterization; hysteresis 15°C (typical) 5 Submit Documentation Feedback |
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