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TPS2055B датащи(PDF) 3 Page - Texas Instruments |
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TPS2055B датащи(HTML) 3 Page - Texas Instruments |
3 / 30 page www.ti.com RECOMMENDED OPERATING CONDITIONS ELECTRICAL CHARACTERISTICS TPS2045B, TPS2055B TPS2046B, TPS2047B SLVS532C – JULY 2004 – REVISED OCTOBER 2007 MIN MAX UNIT VI(IN), VI(INx) Input voltage 2.7 5.5 V VI(/ENx), VI(ENx) Input voltage 0 5.5 V IO(OUT), IO(OUTx) Continuous output current 0 250 mA TJ Operating virtual junction temperature -40 125 °C over recommended operating junction temperature range, VI(IN) = 5.5 V, IO = 0.25 A, VI(ENx) = 0 V (unless otherwise noted) PARAMETER TEST CONDITIONS(1) MIN TYP MAX UNIT POWER SWITCH Static drain-source on-state resistance, VI(IN) = 5 V or 3.3 V, IO = 0.25 A –40 °C ≤ T J≤ 125°C 70 135 m Ω 5-V operation and 3.3-V operation rDS(on) Static drain-source on-state resistance, VI(IN) = 2.7 V, IO = 0.25 A –40 °C≤ T J≤ 125°C 75 150 m Ω 2.7-V operation(2) VI(IN) = 5.5 V 0.6 1.5 tr (2) Rise time, output VI(IN) = 2.7 V 0.4 1 CL = 1 μF, TJ = 25°C ms RL = 20 Ω VI(IN) = 5.5 V 0.05 0.5 tf (2) Fall time, output VI(IN) = 2.7 V 0.05 0.5 ENABLE INPUT ENx VIH High-level input voltage 2.7 V ≤ VI(IN) ≤ 5.5 V 2 V VIL Low-level input voltage 2.7 V ≤ VI(IN) ≤ 5.5 V 0.8 II Input current VI(/ENx) = 0 V or 5.5 V -0.5 0.5 μA ton (2) Turnon time CL = 100 μF, RL = 20 Ω 3 ms toff (2) Turnoff time CL = 100 μF, RL = 20 Ω 10 CURRENT LIMIT VI(IN) = 5 V, OUT connected to GND, device enabled into IOS Short-circuit output current 0.3 0.5 0.7 A short-circuit SUPPLY CURRENT (TPS2045B, TPS2055B) TJ = 25°C 0.5 1 No load on OUT, VI(/ENx) = 5.5 V Supply current, low-level output μA or VI(/ENx) = 0 V –40 °C ≤ T J ≤ 125°C 0.5 5 TJ = 25°C 43 60 No load on OUT, VI(/ENx) = 0 V Supply current, high-level output μA or VI(/ENx) = 5.5 V –40 °C ≤ T J ≤ 125°C 43 70 OUT connected to ground, Leakage current –40 °C ≤ T J ≤ 125°C 1 μA VI(/ENx) = 5.5 V, or VI(ENx) = 0 V Reverse leakage current VI(OUTx) = 5.5 V, IN = ground (2) TJ = 25°C 0 μA SUPPLY CURRENT (TPS2046B) TJ = 25°C 0.5 1 Supply current, low-level output No load on OUT, VI(/ENx) = 5.5 V μA –40 °C ≤ T J ≤ 125°C 0.5 5 TJ = 25°C 50 70 Supply current, high-level output No load on OUT, VI(/ENx) = 0 V μA -40 °C ≤ T J ≤ 125°C 50 90 OUT connected to ground, Leakage current -40 °C ≤ T J ≤ 125°C 1 μA VI(ENx) = 5.5 V Reverse leakage current VI(OUTx) = 5.5 V, IN = ground (2) TJ = 25°C 0.2 μA (1) Pulse-testing techniques maintain junction temperature close to ambient temperature; thermal effects must be taken into account separately. (2) Not tested in production, specified by design. Copyright © 2004–2007, Texas Instruments Incorporated Submit Documentation Feedback 3 Product Folder Link(s): TPS2045B TPS2055B TPS2046B TPS2047B |
Аналогичный номер детали - TPS2055B |
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Аналогичное описание - TPS2055B |
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