STMEC001 Datasheet, PDF (1/19 Pages) STMicroelectronics – Power interface switch for ExpressCardTM

STMEC001
Power interface switch for ExpressCard^TM
Features
■ Compliant with PC Card™ standard for
ExpressCard
■ 3-channel power interface switch
■ Built-in under-voltage lockout (UVLO) circuit
■ 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
■ Soft start function for non-rush current
■ Ultra-low standby-mode current for power
saving
■ 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, 3.3V_AUX, 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
April 2008
.
Package
QFN16
TSSOP20
Rev 4
Packing
Tape and reel
Tape and reel
1/19
www.st.com
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