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TPS2552DRVT-1 Datasheet(PDF) 3 Page - Texas Instruments |
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TPS2552DRVT-1 Datasheet(HTML) 3 Page - Texas Instruments |
3 / 31 page RECOMMENDED OPERATING CONDITIONS ELECTRICAL CHARACTERISTICS TPS2552 TPS2553, TPS2552-1, TPS2553-1 www.ti.com...................................................................................................................................... SLVS841C – NOVEMBER 2008 – REVISED SEPTEMBER 2009 MIN MAX UNIT VIN Input voltage, IN 2.5 6.5 V VEN TPS2552/52-1 0 6.5 Enable voltage V VEN TPS2553/53-1 0 6.5 VIH High-level input voltage on EN or EN 1.1 V VIL Low-level input voltage on EN or EN 0.66 –40 °C ≤ TJ ≤ 125 °C 0 1.2 IOUT Continuous output current, OUT A –40 °C ≤ TJ ≤ 105 °C 0 1.5 RILIM Current-limit threshold resistor range (nominal 1%) from ILIM to GND 15 232 k Ω IO Continuous FAULT sink current 0 10 mA Input de-coupling capacitance, IN to GND 0.1 µF IOUT ≤ 1.2 A –40 125 Operating virtual junction TJ °C temperature(1) IOUT ≤ 1.5 A -40 105 (1) See "Dissipation Rating Table" and "Power Dissipation and Junction Temperature" sections for details on how to calculate maximum junction temperature for specific applications and packages. over recommended operating conditions, V/EN = 0 V, or VEN = VIN, RFAULT = 10 kΩ (unless otherwise noted) PARAMETER TEST CONDITIONS(1) MIN TYP MAX UNIT POWER SWITCH DBV package, TJ = 25 °C 85 95 DBV package, –40 °C ≤TJ ≤125 °C 135 rDS(on) Static drain-source on-state resistance DRV package, TJ = 25 °C 100 115 m Ω DRV package, –40 °C ≤TJ ≤105 °C 140 DRV package, –40 °C ≤TJ ≤125 °C 150 VIN = 6.5 V 1.1 1.5 tr Rise time, output VIN = 2.5 V 0.7 1 CL = 1 µF, RL = 100 Ω, ms (see Figure 2) VIN = 6.5 V 0.2 0.5 tf Fall time, output VIN = 2.5 V 0.2 0.5 ENABLE INPUT EN OR EN Enable pin turn on/off threshold 0.66 1.1 V IEN Input current VEN = 0 V or 6.5 V, V/EN = 0 V or 6.5 V –0.5 0.5 µA ton Turnon time 3 ms CL = 1 µF, RL = 100 Ω, (see Figure 2) toff Turnoff time 3 ms CURRENT LIMIT RILIM = –40 °C ≤TJ ≤105 °C 1610 1700 1800 15 k Ω TJ = 25 °C 1215 1295 1375 RILIM = 20 k Ω –40 °C ≤TJ ≤125 °C 1200 1295 1375 Current-limit threshold (Maximum DC output current IOUT delivered to load) and IOS mA Short-circuit current, OUT connected to GND TJ = 25 °C 490 520 550 RILIM = 49.9 k Ω –40 °C ≤TJ ≤125 °C 475 520 565 RILIM = 210 kΩ 110 130 150 ILIM shorted to IN 50 75 100 tIOS Response time to short circuit VIN = 5 V (see Figure 3) 2 µs REVERSE-VOLTAGE PROTECTION Reverse-voltage comparator trip point 95 135 190 mV (VOUT – VIN) Time from reverse-voltage condition VIN = 5 V 3 5 7 ms to MOSFET turn off (1) Pulse-testing techniques maintain junction temperature close to ambient temperature; thermal effects must be taken into account separately. Copyright © 2008–2009, Texas Instruments Incorporated Submit Documentation Feedback 3 Product Folder Link(s): TPS2552 TPS2553 TPS2552-1 TPS2553-1 |
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