STMEC001ATTR STMicroelectronics

STMEC001 TM Power interface switch for ExpressCard Features Compliant with PC Card standard for ExpressCard 3-channel power interface switch Built-in under-voltage lockout (UVLO) circuit QFN16 Ultra-low standby-mode current Additional 5 V or 12 V power supply not required High reliability ensured with integrated over- current, thermal and undervoltage protection circuitries applied to each voltage rail TSSOP20 Soft start function for non-rush current Ultra-low standby-mode current for power saving Description Ultra-low ON resistance for fast switching 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 V , and 1.5 V to the AUX 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 Package Packing STMEC001QTR QFN16 Tape and reel STMEC001ATTR TSSOP20 Tape and reel November 2008 Rev 5 1/19 www.st.com 19 Obsolete Product(s) - Obsolete Product(s)Contents STMEC001 Contents 1 Pin description . 3 1.1 Pin functional description 5 2 Logic diagram 6 3 Maximum ratings 8 4 Power states . 9 4.1 Power states description 9 5 Electrical characteristics 10 6 Logic characteristics . 13 7 Switching times 14 8 Package mechanical data 16 9 Revision history . 18 2/19 Obsolete Product(s) - Obsolete Product(s)