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TPS5618PWP Datasheet(PDF) 8 Page - Texas Instruments |
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TPS5618PWP Datasheet(HTML) 8 Page - Texas Instruments |
8 / 10 page TPS5615, TPS5618, TPS5625, TPS5633 SYNCHRONOUS-BUCK HYSTERETIC REGULATOR CONTROLLER SLVS177B – SEPTEMBER 1998 – REVISED JULY 2000 8 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 recommended operating conditions MIN MAX UNIT Supply voltage, VCC 11.4 13 V BOOT to DRVGND 0 28 BOOT to BOOTLO 0 13 Input voltage INHIBIT, LODRV, PWRGD, OCP 0 6 V LOHIB, LOSENSE, IOUTLO, HISENSE 0 13 VSENSE 0 4.5 Voltage difference between ANAGND and DRVGND 0 ±0.2 V Output current, VREFB† 0 0.4 mA † Not recommended to load VREFB other than to set hysteresis since IVREFB sets slowstart time. electrical characteristics over recommended operating virtual junction temperature range, VCC = 12 V, IDRV = 0 A (unless otherwise noted) reference PARAMETER TEST CONDITIONS MIN TYP MAX UNIT TPS5615 1.485 1.515 VREF Reference TPS5618 VCC =11 4Vto12 6 V 1.782 1.818 V VREF Reference voltage TPS5625 VCC = 11.4 V to 12.6 V 2.475 2.525 V TPS5633 3.267 3.333 VREFB Output voltage IREFB = 50 µA VREF–2% VREF VREF+2% V VREFB Output regulation 10 µA ≤ IO ≤ 500 µA 2 mV power good PARAMETER TEST CONDITIONS MIN TYP MAX UNIT Undervoltage trip threshold 90 93 95 %VREF Low-level output voltage, PWRGD IO = 5 mA 0.5 0.75 V High-level input current, PWRGD VPWRGD = 6 V 1 µA Hysteresis 10 mV overvoltage protection PARAMETER TEST CONDITIONS MIN TYP MAX UNIT Overvoltage trip threshold 112 115 120 %VREF Hysteresis See Note 2 10 mV NOTE 2: Ensured by design, not tested. slowstart PARAMETER TEST CONDITIONS MIN TYP MAX UNIT Charge current VSLOWST = 0.5 V, IVREFB = 65 µA 10.4 13 15.6 µA Discharge current VSOFTST = 1 V 3 mA Comparator input offset voltage 10 mV Comparator input bias current See Note 2 10 100 nA Hysteresis –7.5 7.5 mV NOTE 2: Ensured by design, not tested. |
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