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RT9725A - Express Card Power Interface Switch

Description

The RT9725A/B power distribution switches are designed to fulfill power management requirements of Express Card specification.

The RT9725A/B supports systems with single slot ExpressCard|34 and ExpressCard|54 socket.

The device distributes 3.3V, AUX and 1.5V to the Express Card socket.

Features

  • z Meets Express Card Standard (ExpressCard|34 and ExpressCard|54) z Compliant with the Express Card Compliance Check Lists, Compliance ID : EC100328 z Fully Satisfy the Express Card Implementation Guidelines z Supports Systems with WAKE Function z TTL-Logic Compatible Input z Under-Voltage Lockout Protection z Over Current Protection z Over Temperature Protection z RoHS Compliant and Halogen Free Ordering Information.

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Datasheet preview – RT9725A

Datasheet Details

Part number RT9725A
Manufacturer Richtek
File Size 271.89 KB
Description Express Card Power Interface Switch
Datasheet download datasheet RT9725A Datasheet
Additional preview pages of the RT9725A datasheet.

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Full PDF Text Transcription

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RT9725A/B Express Card Power Interface Switch General Description The RT9725A/B power distribution switches are designed to fulfill power management requirements of Express Card specification. The RT9725A/B supports systems with single slot ExpressCard|34 and ExpressCard|54 socket. The device distributes 3.3V, AUX and 1.5V to the Express Card socket. Each power rail is protected with current limit circuitry when output load exceeds over-current threshold or short-circuits occurs. A thermal protection circuit turns off switches to prevent the device from damage when power dissipation is increased by continuous heavy overloads or short-circuits in the switches. The RT9725A/B is available in WQFN-20L 3x3 package.
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