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STMicroelectronics Electronic Components Datasheet

STMEC001 Datasheet

Power interface switch

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STMEC001
Power interface switch for ExpressCardTM
Features
Compliant with PC Cardstandard for
ExpressCard
3-channel power interface switch
Built-in under-voltage lockout (UVLO) circuit
www.DataSheUeltt4rUa.-cloowm 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, 3.3VAUX, 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
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www.st.com
19


STMicroelectronics Electronic Components Datasheet

STMEC001 Datasheet

Power interface switch

No Preview Available !

Contents
Contents
STMEC001
1 Pin description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
1.1 Pin functional description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
2 Logic diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
3 Maximum ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
4 Power states . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
www.DataSheet4U.com 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


Part Number STMEC001
Description Power interface switch
Maker STMicroelectronics
Total Page 19 Pages
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