ETA6021 ETA | Alldatasheet

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Technical content

www.ETAsolution.com Outperform with Efficiency Proprietary Information DO NOT Distribute 1 Precision Load Switch with Adjustable Current Limit

DESCRIPTION

The ETA6021 is a load switch which provides full protection to systems and loads which may encounter large current conditions. ETA6021 offers a 95mΩ current -limited switch which can operate over an input voltage range of 2.5 -5.5V. The current limit can be externally programmed by a precision resistor, ranges from 75mA to 1.7A. Switch control is by a logic input (EN) capable of interfacing directly with low voltage control signals. Current is prevented from flowing when the switch is off and the output voltage is highe r than the input voltage. ETA6021 also features thermal shutdown protection which shuts off the switch to prevent damage to the part when a continuous over -current condition causes excessive heating. When the switch current reaches the current limit, the p arts operate in a constant -current mode to prohibit excessive currents from causing damage. The ETA6021 will not turn off after a current limit fault, but will rather remain in the constant current mode indefinitely. ETA6021 is housed in a tiny SOT23 -5L p ackage APPLICATION  USB ports/Hubs  Hot Swaps  Cellphones  Tablet PC  Set Top Box  PC motherboard  Handheld Devices

FEATURES

 Up to 1.5A Max Load current  Accurate Current-limit threshold: +/-5%  Programmable Current-limit : 75mA to 1.7A  Fast Over-Current Response  Reversed Current blocking  Thermal Shutdown, UVLO protection  Tiny SOT23-5L Package

ORDERING INFORMATION

0.1µ F 120µ F USB PORT5V USB INPUT