stmec001qtr STMicroelectronics, stmec001qtr Datasheet
stmec001qtr
Related parts for stmec001qtr
stmec001qtr Summary of contents
Page 1
... Ultra-low standby-mode current for power saving ■ Ultra-low ON resistance for fast switching Typical application Order codes Part number STMEC001QTR STMEC001ATTR February 2007 Power switch for ExpressCard QFN16 Description The STMEC001 is an ExpressCard power interface switch providing total power management solution required by ExpressCard Specification ...
Page 2
Contents Contents 1 Schematic . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...
Page 3
STMEC001 1 Schematic Figure 1. Block diagram Schematic 3/18 ...
Page 4
... These are stress ratings only and operation of the device at these or any other conditions above those indicated in the Operating sections of this specification is not implied. Exposure to Absolute Maximum Rating conditions for extended periods may affect device reliability. Refer also to the STMicroelectronics SURE Program and other relevant quality documents. Table 1. ...
Page 5
STMEC001 3 Pin configuration Figure 2. Pin configuration (top view) QFN16 Pin configuration TSSOP20 5/18 ...
Page 6
Pin configuration Table 2. Pin description Pin Name QFN16 TSSOP20 - - /SYSRST 16 2 /SHDN 1 3 /STBY 2 4 VIN_3. VIN_3. VO_3. VO_3. /PERST - 9 NC ...
Page 7
STMEC001 3.1 Pin functional description Table 3. Pin description Symbol A logic low level on this input indicates that the card present supports PCI Express functions. This CPPE input pin connects to the 3.3Vaux input thru a 150Kohm internal pull-up. ...
Page 8
Pin configuration 3.2 Power states The STMEC001 operates in a number of states, as described in the following table Table 4. States Voltage inputs 3.3V 3.3V 1.5V AUX ...
Page 9
STMEC001 4 Electrical characteristics Table 5. Recommended operating conditions Symbol Input voltage: V (3. Input voltage: V (1. Input voltage: V (3.3V I AUX Output current: I (3.3V Output current: ...
Page 10
Electrical characteristics Table 7. Power switching Symbol Parameter Thermal shutdown, trip point, T Hysteresis Current limit response time. I From short to first threshold within 1.1 times OL of the final current limit. Input quiescent current: Normal operation Input quiescent ...
Page 11
STMEC001 Table 8. Undervoltage lockout (UVLO) Symbol Parameter VIN_3.3 UVLO VIN_1.5 UVLO UVLO VIN_3.3VAUX UVLO UVLO Hysteresis Test conditions VIN_3.3 level, below which VIN_3.3 and VIN_1.5 switches are off VIN_1.5 level, below which VIN_3.3 and VIN_1.5 switches are off VIN_3.3VAUX ...
Page 12
Logic characteristics 5 Logic characteristics Table 9. Logic states Logic transition Logic input voltage PERST# assertion threshold of output voltage PERST# assertion delay from output voltage invalid PERST# de-assertion from output voltage valid PERST# assertion delay from SYSRST# STSRST asserted ...
Page 13
STMEC001 6 Switching times Table 11. Switching characteristics Symbol Parameter VIN_3.3V to VO_3.3V VIN_3.3V VIN_1.5V to VO_1.5V VIN_3.3V to VO_3.3V t Output rise time R VIN_3.3V VIN_1.5V to VO_1.5V VIN_3.3V to VO_3.3V VIN_3.3V Output fall time (/ VIN_1.5V to VO_1.5V ...
Page 14
Package mechanical data 7 Package mechanical data In order to meet environmental requirements, ST offers these devices in ECOPACK These packages have a Lead-free second level interconnect. The category of second Level Interconnect is marked on the package and on ...
Page 15
STMEC001 DIM. MIN 0. QFN16 (3mmx3mm) MECHANICAL DATA mm. TYP MAX. 0.90 1.00 0.02 0.05 0.20 0.25 0.30 3.00 1.70 1.80 ...
Page 16
Package mechanical data DIM. MIN 0.05 A2 0.8 b 0.19 c 0.09 D 6.4 E 6 0˚ PIN 1 IDENTIFICATION 1 16/18 TSSOP20 MECHANICAL DATA mm. TYP MAX. ...
Page 17
STMEC001 8 Revision history Table 12. Revision history Date Revision 02-Aug-2006 08-Feb-2007 1 First release 2 Replaced TSSOP24 package information with QFN16 Revision history Change 17/18 ...
Page 18
... Information in this document is provided solely in connection with ST products. STMicroelectronics NV and its subsidiaries (“ST”) reserve the right to make changes, corrections, modifications or improvements, to this document, and the products and services described herein at any time, without notice. All ST products are sold pursuant to ST’s terms and conditions of sale. ...