The TPS2065D power-distribution switch family is intended for applications such as USB where heavy capacitive loads and short circuits are likely to be encountered. The device can continuously deliver up to 1 A output current.
The TPS2065D limits the output current to a safe level by operating in a constant-current mode when the output load exceeds the current limit threshold. This provides a predictable fault current under all conditions. The fast overload response time eases the burden on the main 5-V supply to provide regulated power when the output is shorted. The power-switch rise and fall times are controlled to minimize current surges during turnon and turnoff.
| Product type | Fixed current limit, Power switch |
| Vin (min) (V) | 4.5 |
| Vin (max) (V) | 5.5 |
| Continuous current (max) (A) | 1 |
| Current limit (A) | 1.55 |
| Operating temperature range (°C) | -40 to 125 |
| Enable | Active High |
| Number of switches | 1 |
| Current limit accuracy at 1 A | 0.16 |
| Rating | Catalog |
| SOT-23 (DBV) | 5 | 8.12 mm² 2.9 x 2.8 |
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