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TPS61059DRCR Datasheet(PDF) 3 Page - Texas Instruments |
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TPS61059DRCR Datasheet(HTML) 3 Page - Texas Instruments |
3 / 30 page www.ti.com ELECTRICAL CHARACTERISTICS TPS61058 TPS61059 SLVS572B – APRIL 2005 – REVISED DECEMBER 2005 V IN = 3.6 V, ILED = 500 mA, EN = VIN, L = 4.7 µH, CO = 3x 22 µF, TA = –40°C to 85°C, typical values are at TA = 25°C (unless otherwise noted) DC/DC STAGE PARAMETER TEST CONDITIONS MIN TYP MAX UNIT VIN Input voltage range VO > 2.0 V @ ILED = 50 mA 2.7 5.5 V VOUT TPS61058/9 output voltage range 2.5 5.5 V VOVP Output overvoltage protection 5.9 6.1 6.3 V VFB TPS61058/9 feedback voltage 490 500 510 mV f Oscillator frequency 550 650 750 kHz ISW Switch current limit (TPS61058) VO = 3.3 V 900 1100 1300 mA Switch current limit (TPS61059) VO = 3.3 V 1200 1500 1800 mA Pre-charge current VO = 2.5 V, TA = -10°C to 85°C 84 mA rDS(on) SWN switch on resistance VO = 3.3V 260 m Ω SWP switch on resistance VO = 3.3 V 290 m Ω Total accuracy (including line and load regulation) -3% 3% ILED = 0 mA, VO = 5.0 V, IQ Quiescent current 5.5 mA Device switching at 650 kHz I(SD) Shutdown current EN = GND, TA = 25°C 0.1 1 µA CONTROL STAGE IOK switch on-resistance VO = 5.0 V, IIOK = 100 µA 0.6 0.8 1 k Ω IOK output low current 100 300 µA IOK output leakage current VIOK = 7 V 0.01 0.1 µA V(IL) EN low-level input voltage 0.4 V V(IH) EN high-level input voltage 1.4 V I(I) EN input leakage current Input tied to GND 0.01 0.1 µA EN pull-down resistance 400 k Ω Overtemperature protection 140 °C Overtemperature hysteresis 20 °C 3 |
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