(Hong Kong)
Product Summary
The TPS2556DRBR power-distribution switch is intended for applications where precision current limiting is required or heavy capacitive loads and short circuits are encountered. The TPS2556DRBR offers a programmable current-limit threshold between 500mA and 5.0 A (typ) via an external resistor. The power-switch rise and fall times are controlled to minimize current surges during turn on/off. The applications of the TPS2556DRBR include USB Ports/Hubs, Digital TV, Set-Top Boxes, VOIP Phones.
Parametrics
TPS2556DRBR absolute maximum ratings: (1)Voltage range on IN, OUT, EN or EN, ILIM, FAULT: –0.3 to 7 V; (2)Voltage range from IN to OUT: –7 to 7 V; (3)Continuous output current: Internally Limited; (4)Continuous total power dissipation: See the Dissipation Rating Table; (5)Continuous FAULT sink current: 25 mA; (6)ILIM source current: Internally Limited mA; (7)ESD HBM: 2 kV; CDM 500 V; (8)ESD – system level (contact/air)(3): 8/15 kV; (9)TJ Maximum junction temperature: –40 to OTSD2 ℃.
Features
TPS2556DRBR features: (1)Meets USB Current-Limiting Requirements; (2)Adjustable Current Limit, 500 mA-5 A (typ); (3)+/- 6.5% Current-Limit Accuracy at 4.5 A; (4)Fast Overcurrent Response: 3.5μs (typ); (5)22-mΩHigh-Side MOSFET; (6)Operating Range: 2.5 V to 6.5 V; (7)2-μA Maximum Standby Supply Current; (8)Built-in Soft-Start; (9)15 kV / 8 kV System-Level ESD Capable; (10)CB & Nemko Certification.
Diagrams
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 TPS2556DRBR |
Texas Instruments |
Power Switch ICs - USB Prec Adj Current-Ltd Pwr-Dist Sw |
Data Sheet |
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