STMEC001

STMEC001 Power interface switch for ExpressCardTM Features ■ Compliant with PC Card™ standard for ExpressCard ■ 3-channel power interface switch ) ■ Built-in under-voltage lockout (UVLO) circuit t(s ■ Ultra-low standby-mode current uc ■ Additional 5 V or 12 V power supply not d required ro ■ High reliability ensured with integrated overP current, thermal and undervoltage protection te circuitries applied to each voltage rail le ■ Soft start function for non-rush current o ■ Ultra-low standby-mode current for power bs saving Obsolete Product(s) - O ■ Ultra-low ON resistance for fast switching QFN16 TSSOP20 Description The STMEC001 is an ExpressCard power interface switch which provides the complete power management solution required by the ExpressCard specification. The STMEC001 consists of 3 internal switches distributing 3.3 V, 3.3 VAUX, and 1.5 V to the ExpressCard socket without the need of additional charge pump or external switches. The STMEC001 ExpressCard power switch is ideal for notebook computers, desktop computers, personal digital assistants (PDA), or other handheld devices implementing the ExpressCard schematic. Table 1. Device summary Order code STMEC001QTR STMEC001ATTR November 2008 Package QFN16 TSSOP20 Rev 5 Packing Tape and reel Tape and reel 1/19 www.st.com 19 Contents Contents STMEC001 1 Pin description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 1.1 Pin functional description . . . . . . . ....