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TPS5211 Fiches technique(PDF) 8 Page - Texas Instruments |
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TPS5211 Fiches technique(HTML) 8 Page - Texas Instruments |
8 / 32 page TPS5211 HIGH FREQUENCY PROGRAMMABLE HYSTERETIC REGULATOR CONTROLLER SLVS243 – SEPTEMBER 1999 8 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 recommended operating conditions MIN MAX UNIT Supply voltage, VCC 11.4 13 V Input voltage, BOOT to DRVGND 0 28 V Input voltage, BOOT to BOOTLO 0 13 V Input voltage, INHIBIT, VIDx, LODRV, PWRGD, OCP, DROOP 0 6 V Input voltage, LOHIB, LOSENSE, IOUTLO, HISENSE 0 13 V Input voltage, VSENSE 0 4.5 V 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 hystersis since IVREFB sets slowstart time. electrical characteristics over recommended operating virtual junction temperature range, VCC = 12 V, IDRV = 0 A (unless otherwise noted) reference/voltage identification PARAMETER TEST CONDITIONS MIN TYP MAX UNIT VREF Cumulative reference accuracy (see Note 2) VCC = 11.4 to 12.6 V, 1.3 V ≤ VREF ≤ 3.5 V –0.015 0.015 V/V VIDx High-level input voltage 2.25 V VIDx Low-level input voltage 1 V V Output voltage IVREFB = 50 µA VREF–5mV VREF VREF+5mV V VREFB Output regulation 10 µA ≤ IO ≤ 500 µA 2 mV VIDx Input resistance VIDx = 0 V 36 73 95 k Ω VIDx Input pull-up voltage divider 4.8 4.9 5 V NOTES: 2. Cumulative reference accuracy is the combined accuracy of the reference voltage and the input offset voltage of the hysteretic comparator. Cumulative accuracy equals the average of the high-level and low-level thresholds of the hysteretic comparator. 3. This parameter is ensured by design and is not production tested. 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. |
Numéro de pièce similaire - TPS5211 |
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Description similaire - TPS5211 |
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