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TPS54062DRBR Datasheet(PDF) 7 Page - Texas Instruments |
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TPS54062DRBR Datasheet(HTML) 7 Page - Texas Instruments |
7 / 42 page 7 TPS54062 www.ti.com SLVSAV1D – MAY 2011 – REVISED JULY 2016 Product Folder Links: TPS54062 Submit Documentation Feedback Copyright © 2011–2016, Texas Instruments Incorporated Electrical Characteristics (1) (continued) TJ = –40°C to 125°C, VIN = 4.7 to 60 V (unless otherwise noted) PARAMETER CONDITIONS MIN TYP MAX UNIT THERMAL SHUTDOWN Thermal shutdown 146 C RT/CLK Operating frequency using RT mode 100 400 kHz Switching frequency R(RT/CLK) = 510 kΩ 192 240 288 kHz Minimum CLK pulse width 40 ns RT/CLK voltage R(RT/CLK) = 510 kΩ 0.53 V RT/CLK high threshold 1.3 V RT/CLK low threshold 0.5 V RT/CLK falling edge to PH rising edge delay Measure at 240 kHz with RT resistor in series 100 200 ns PLL lock in time Measure at 240 kHz 100 µs PLL frequency range 300 400 kHz PH Minimum On-time Measured at 50% to 50% of VIN IOUT = 50 mA 120 ns Dead time VIN = 12V, IOUT = 50 mA, One transition 30 ns BOOT BOOT-PH regulation voltage VIN = 12 V 5.7 V BOOT-PH UVLO 2.9 V INTERNAL SLOW-START TIME Slow-start time fSW = 240 kHz, RT = 510 kΩ, 10% to 90% 4.1 ms |
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