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TPS62102DG4 Fiches technique(PDF) 4 Page - Texas Instruments |
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TPS62102DG4 Fiches technique(HTML) 4 Page - Texas Instruments |
4 / 25 page TPS62100, TPS62101, TPS62102, TPS62103 MULTIMODE LOW POWER BUCK CONVERTER SLUS446B – MAY 2000 – REVISED DECEMBER 2000 4 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 electrical characteristics over recommended operating free-air temperature range, TA = –40 C to 85 C, TA = TJ, typical values are at TA = 25 C, VIN = 7.2 V, MODE = 1 (constant frequency), SD/SYNC = 0 V. (unless otherwise noted) PARAMETER TEST CONDITIONS MIN TYP MAX UNITS Input Supply Section VIN operating range 2.5 7.2 9 V VIN = 3.6 V, not switching 625 900 µA VIN supply current (constant frequency mode) VIN = 7.2 V, not switching 650 915 µA (constant frequency mode) VIN = 9.0 V, not switching 700 925 µA VIN supply current VIN = 3.6 V, not switching 220 295 µA VIN su ly current (burst mode) VIN = 7.2 V, not switching 250 370 µA VIN supply current VIN = 3.6 V 230 340 µA VIN su ly current (sleep mode) VIN = 7.2 V 190 275 µA VIN = 7.2 V, SD/SYNC = VIN 1 15 µA VIN shutdown current VIN = 7.2 V, SD/SYNC = 4 V 2 25 µA VIN shutdown current VIN = 3.6 V, SD/SYNC = 3.6 V 1 15 µA Error Amplifier Section FB input voltage COMP = 0.5 V, TA = 25°C 790 800 810 mV FB voltage line requlation TA = 25°C, VIN = 2.8 V to 9 V 0.1 %/V FB voltage line requlation TA = 25°C, VIN = 2.8 V to 2.5 V 0.5 % FB input voltage COMP = 0.5 V, TA = 0°C to 70°C 784 800 816 mV FB input voltage COMP = 0.5 V, TA = –40°C to 85°C 777 800 823 mV FB input bias current COMP = 0.5 V 100 500 nA Open loop gain COMP = 0.2 V to 0.5 V 50 80 130 dB Unity gain BW See Note 1 5 MHz Maximum sinking current 250 500 µA Maximum sourcing current –500 –250 µA COMP output high voltage ICOMP = –10 µA 1.60 2.00 2.75 V COMP output low voltage ICOMP = 10 µA 250 500 mV Soft-start time 1 5 9 ms Light Load Detectors Section FB VOFF threshold 778 808 838 mV FB VON threshold 741 778 815 mV FB VMODE threshold 725 762 799 mV NOTE 1: Ensured by design. Not production tested. |
Numéro de pièce similaire - TPS62102DG4 |
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Description similaire - TPS62102DG4 |
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