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TPS25821 Datasheet(PDF) 7 Page - Texas Instruments |
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TPS25821 Datasheet(HTML) 7 Page - Texas Instruments |
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7 / 35 page  7 TPS25820, TPS25821 www.ti.com SLVSE24 – NOVEMBER 2017 Product Folder Links: TPS25820 TPS25821 Submit Documentation Feedback Copyright © 2017, Texas Instruments Incorporated Electrical Characteristics (continued) –40°C ≤ TJ ≤ 125°C, 4.5 V ≤ VIN ≤ 5.5 V, VEN = VCHG = VIN, RREF = 100 kΩ. Typical values are at 25°C. All voltages are with respect to GND. IOUT and IOS defined positive out of the indicated pin (unless otherwise noted) PARAMETER TEST CONDITIONS MIN TYP MAX UNIT II Disabled supply current VEN = 0 V, –40°C ≤ TJ ≤ 85°C 1 µA Enabled supply current with CC lines open –40°C ≤ TJ ≤ 85°C 1 4 Enabled supply current with dangling Ra cable attached 150 195 Enabled supply current with Sink attached via cable that is electronically marked (includes IN current that provides the CC output current to the sink Rd resistor) VCHG = 0 V 232 275 332 380 Enabled supply current with Sink attached via cable that is not electronically marked (includes IN current that provides the CC output current to the sink Rd resistor) VCHG = 0 V 210 250 310 355 6.6 Switching Characteristics –40°C ≤ TJ ≤ 125°C, 4.5 V ≤ VIN ≤ 5.5 V, VEN = VCHG = VIN, RREF = 100 kΩ. Typical values are at 25°C. All voltages are with respect to GND. IOUT and IOS defined positive out of the indicated pin (unless otherwise noted) PARAMETER TEST CONDITIONS MIN TYP MAX UNIT OUT - POWER SWITCH tr Output voltage rise time VIN = 5 V, CL = 1 µF, RL = 100 Ω (measure between 10% and 90% of final value) 0.5 0.8 1.2 ms tf Output voltage fall time 0.2 0.3 0.4 ms ton Output voltage turn-on time VIN = 5 V, CL = 1 µF, RL = 100 Ω 2.1 3.2 4.5 ms toff Output voltage turn-off time 0.8 1.3 1.9 ms tw_OUT_DCHG RDCHG application time at OUT turn off VOUT = 1 V, time ISNK_OUT > 1 mA after Sink termination removed from CC lines 169 262 361 ms OUT - CURRENT LIMIT tiOS Current limit response time to short circuit VIN - VOUT = 1 V, RL = 10 mΩ (see Figure 1) 1.5 4 µs FAULT tDEGA Asserting deglitch due to overcurrent 5.6 8.2 10.6 ms tDEGA Asserting deglitch due to overtemperature in current limit 0 ms tDEGD De-asserting deglitch 5.6 8.2 10.6 ms CC1/CC2 - VCONN POWER SWITCH (TPS25820) tr Output voltage rise time VIN2 = 5 V, CL = 1 µF, RL = 100 Ω 0.13 0.22 0.3 ms tf Output voltage fall time 0.18 0.22 0.26 ms ton Output voltage turn-on time VIN2 = 5 V, CL = 1 µF, RL = 100 Ω 1.4 2.2 3.2 ms toff Output voltage turn-off time 0.25 0.33 0.4 ms Minimum VCONN discharge time TPS25820 42 65 90 ms CC1/CC2 - VCONN POWER SWITCH - CURRENT LIMIT (TPS25820) tres Current limit response time to short circuit VIN – VCCx = 1 V, R = 10 mΩ (see Figure 1) 1 4 µs SINK, POL tDEGA Asserting deglitch 100 150 200 ms tDEGD De-asserting deglitch 7.9 12.5 17.7 ms |
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