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TPS2052A

2-ch, 0.5A loading, 1A ILIMIT, 2.7-5.5V, 80mΩ USB power switch, active-high; ? 80-m High-Side MOSFET Switch\n? 500 mA Continuous Current Per Channel\n? Independent Thermal and Short-Circuit Protection With Overcurrent Logic Output\n? Operating Range...2.7 V to 5.5 V\n? CMOS- and TTL-Compatible Enable Inputs\n? 2.5-ms Typical Rise Time\n? Undervoltage Lockout \n? 10 uA Maximum Standby Supply Current for Single and Dual (20 uA for Triple and Quad)\n? Bidirectional Switch\n? Ambient Temperature Range, 0°C to 85°C\n? ESD Protection\n? UL Listed - File No. E169910;

The TPS2041A through TPS2044A and TPS2051A through TPS2054A power-distribution switches are intended for applications where heavy capacitive loads and short circuits are likely to be encountered. These devices incorporate 80-m N-channel MOSFET high-side power switches for power-distribution systems that require multiple power switches in a single package. Each switch is controlled by an independent logic enable input. Gate drive is provided by an internal charge pump designed to control the power-switch rise times and fall times to minimize current surges during switching. The charge pump requires no external components and allows operation from supplies as low as 2.7V.When the output load exceeds the current-limit threshold or a short is present, these devices limit the output current to a safe level by switching into a constant-current mode, pulling the overcurrent (OCx\\) logic output low. When continuous heavy overloads and short circuits increase the power dissipation in the switch, causing the junction temperature to rise, a thermal protection circuit shuts off the switch to prevent damage. Recovery from a thermal shutdown is automatic once the device has cooled sufficiently. Internal circuitry ensures the switch remains off until valid input voltage is present. These power-distribution switches are designed to current limit at 0.9 A.

TPS2052A

CURRENT-LIMITED POWER-DISTRIBUTION SWITCHES

TPS2052AD

CURRENT-LIMITED POWER-DISTRIBUTION SWITCHES

TPS2052AD

CURRENT-LIMITED POWER-DISTRIBUTION SWITCHES

TPS2052AD

電源開(kāi)關(guān) IC - 配電 Dl .345A 2.7-5.5V Hi;

TPS2052ADG4

CURRENT-LIMITED POWER-DISTRIBUTION SWITCHES

TPS2052ADG4

CURRENT-LIMITED POWER-DISTRIBUTION SWITCHES

TPS2052ADR

CURRENT-LIMITED POWER-DISTRIBUTION SWITCHES

TPS2052ADR

CURRENT-LIMITED POWER-DISTRIBUTION SWITCHES

TPS2052ADR

電源開(kāi)關(guān) IC - 配電 Dl .7A 2.7-5.5V HiS;