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TPS5210 Datasheet(PDF) 9 Page - Texas Instruments |
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TPS5210 Datasheet(HTML) 9 Page - Texas Instruments |
9 / 31 page TPS5210 PROGRAMMABLE SYNCHRONOUS BUCK REGULATOR CONTROLLER SLVS171A − SEPTEMBER 1998 − REVISED MAY 1999 9 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 electrical characteristics over recommended operating virtual junction temperature range, VCC = 12 V, IDRV = 0 A (unless otherwise noted) (continued) power good PARAMETER TEST CONDITIONS MIN TYP MAX UNIT Undervoltage trip threshold 90 93 95 %VREF VOL Low-level output voltage IO = 5 mA 0.5 0.75 V IOH High-level input current VPWRGD = 6 V 1 µA Vhys Hysteresis voltage 1.3 2.9 4.5 %VREF slowstart PARAMETER TEST CONDITIONS MIN TYP MAX UNIT Charge current VSLOWST = 0.5 V, IVREFB = 65 µA VVREFB = 1.3 V, 10.4 13 15.6 µA Discharge current VSLOWST = 1 V 3 mA Comparator input offset voltage 10 mV Comparator input bias current See Note 3 10 100 nA Comparator hysteresis −7.5 7.5 mV NOTE 3: This parameter is ensured by design and is not production tested. hysteretic comparator PARAMETER TEST CONDITIONS MIN TYP MAX UNIT Input offset voltage VDROOP = 0 V (see Note 3) −2.5 2.5 mV Input bias current See Note 3 500 nA Hysteresis accuracy VREFB – VHYST = 15 mV (Hysteresis window = 30 mV) −3.5 3.5 mV Maximum hysteresis setting VREFB – VHYST = 30 mV 60 mV NOTE 3: This parameter is ensured by design and is not production tested. |
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