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TPS50601-SP Datasheet(PDF) 7 Page - Texas Instruments |
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TPS50601-SP Datasheet(HTML) 7 Page - Texas Instruments |
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7 / 28 page  TPS50301-HT TPS50601-SP www.ti.com SLVSA94D – DECEMBER 2012 – REVISED JANUARY 2013 TPS50601 ELECTRICAL CHARACTERISTICS (continued) TJ = –55°C to 125°C, VIN = 3 V to 6.3 V, PVIN = 1.6 V to 6.3 V (unless otherwise noted) DESCRIPTION CONDITIONS MIN TYP MAX UNIT THERMAL SHUTDOWN Thermal shutdown 175 °C Thermal shutdown hysteresis 10 °C INTERNAL SWITCHING FREQUENCY Internally set frequency RT = Open 395 500 585 kHz RT = 100 k Ω (1%) 480 Externally set frequency RT = 485 k Ω (1%) 100 kHz RT = 47 k Ω (1%) 1000 EXTERNAL SYNCHRONIZATION SYNC out low-to-high rise time (10%/90%) Cload = 25 pF 25 111 ns SYNC out high-to-low fall time (90%/10%) Cload = 25 pF 3 15 ns Falling edge delay time(3) 180 ° SYNC out high level threshold IOH = 50 µA 2 V SYNC out low level threshold IOL = 50 µA 600 mV SYNC in low level threshold 800 mV SYNC in high level threshold 1.85 V % of program frequency -5 5 % SYNC in frequency range 100 1000 kHz PH (PH PIN) Measured at 90% to 90% of VIN, 94 Minimum on time 175 ns 25°C, IPH = 2A Minimum off time BOOT-PH ≥ 3 V 500 ns BOOT (BOOT PIN) BOOT-PH UVLO 2.2 3 V SLOW START AND TRACKING (SS/TR PIN) SS charge current 2.5 μA SS/TR to VSENSE matching V(SS/TR) = 0.4 V 30 90 mV POWER GOOD (PWRGD PIN) VSENSE falling (Fault) 91 % Vref VSENSE rising (Good) 94 % Vref VSENSE threshold VSENSE rising (Fault) 109 % Vref VSENSE falling (Good) 106 % Vref Output high leakage VSENSE = Vref, V(PWRGD) = 5 V 30 181 nA Output low I(PWRGD) = 2 mA 0.3 V Minimum VIN for valid output V(PWRGD) < 0.5V at 100 μA 0.6 1 V Minimum SS/TR voltage for PWRGD 1.4 V (3) Bench verified. Not tested in production. Copyright © 2012–2013, Texas Instruments Incorporated Submit Documentation Feedback 7 Product Folder Links: TPS50301-HT TPS50601-SP |
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