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TPS2068 Datasheet(PDF) 3 Page - Texas Instruments |
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TPS2068 Datasheet(HTML) 3 Page - Texas Instruments |
3 / 35 page TPS2060, TPS2064 TPS2068, TPS2069 www.ti.com SLVS553K – MARCH 2005 – REVISED MAY 2011 RECOMMENDED OPERATING CONDITIONS (1) MIN MAX UNIT Input voltage, VI(IN) 2.7 5.5 V VI Input voltage, VI(ENx), VI(/ENx) 0 5.5 V IO Continuous output current, IO(OUTx) 0 1.5 A TPS2060/64 0 105 TJ Operating virtual junction temperature TPS2068/69 (DGN Package) –40 105 °C TPS2068 (D Package) 0 105 (1) The PowerPad must be connected externally to GND pin to meet qualifying conditions for CB Certificate (DGN package only). ELECTRICAL CHARACTERISTICS 0 °C ≤ TJ ≤ 105°C for the TPS2060/64 and TPS2068 (D package), plus –40°C ≤ TJ ≤ 105° for the TPS2068/69 (DGN package), VI(IN) = 5.5 V, IO = 1 A, VI(/ENx) = 0 V, or VI(ENx) = 5.5 V (unless otherwise noted). PARAMETER TEST CONDITIONS(1) MIN TYP MAX UNIT POWER SWITCH Static drain-source on-state resistance, 5-V operation and VI(IN) = 5 V or 3.3 V, IO = 1.5 A 70 115 m Ω 3.3-V operation rDS(on) Static drain-source on-state resistance, VI(IN) = 2.7 V, IO = 1.5 A 75 125 m Ω 2.7-V operation VI(IN) = 5.5 V 0.6 1.5 tr Rise time, output VI(IN) = 2.7 V 0.4 1 CL = 1 μF, TJ = 25°C ms RL = 5 Ω VI(IN) = 5.5 V 0.05 0.5 tf Fall time, output VI(IN) = 2.7 V 0.05 0.5 ENABLE INPUT EN OR EN 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, VI(ENx) = 0 V or 5.5 V -0.5 0.5 μA ton Turnon time CL = 100 μF, RL = 5 Ω 3 ms toff Turnoff time CL = 100 μF, RL = 5 Ω 10 CURRENT LIMIT VI(IN) = 5 V, OUT connected to GND, device enabled into IOS Short-circuit output current 1.6 2.1 2.6 A short-circuit TPS2060/64 3.2 3.9 VI(IN) = 5 V, Current ramp IOC_TRIP Overcurrent trip threshold A ( ≤ 100 A/s) on OUT TPS2068/69 2.3 2.85 3.4 VI(IN) = 5 V, OUT1 and OUT2 connected to GND, Device enabled IOS (2) Short-circuit output current 3.2 4.2 5.2 A into short-circuit, current measured at VI(IN) Overcurrent trip threshold VI(IN) = 5 V, Current ramp (≤ 100 A/s) on OUT1 and OUT2 tied 6.4 7.8 A IOC_TRIP (2) TPS2060/64 together, current measured at VI(IN) TJ = 25°C 0.5 1 No load on OUT, VI(/ENx) = 5.5 V, IOL Supply current, low-level output μA or VI(ENx) = 0 V Over TJ range 0.5 5 TJ = 25°C 50 70 Supply current, high-level output No load on OUT, VI(/ENx) = 0 V, IOH μA TPS2060/64 or VI(ENx) = 5.5 V Over TJ range 50 90 TJ = 25°C 43 60 Supply current, high-level output No load on OUT, VI(/ENx) = 0 V, IOH μA TPS2068/69 or VI(ENx) = 5.5 V Over TJ range 43 70 OUT connected to ground, VI(/ENx) = 5.5 V, Ilkg Leakage current 1 μA or VI(ENx) = 0 V Reverse leakage current VI(OUTx) = 5.5 V, IN = ground TJ = 25°C 0.2 μA UNDERVOLTAGE LOCKOUT Low-level input voltage, IN 2 2.5 V Hysteresis, IN TJ = 25°C 75 mV (1) Pulse-testing techniques maintain junction temperature close to ambient temperature; thermal effects must be taken into account separately. (2) This configuration has not been tested for UL certification. Copyright © 2005–2011, Texas Instruments Incorporated 3 |
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