MIC2012YM Micrel Inc, MIC2012YM Datasheet
MIC2012YM
Specifications of MIC2012YM
MIC2012YM
Available stocks
Related parts for MIC2012YM
MIC2012YM Summary of contents
Page 1
MIC2012 General Description The MIC2012 is a dual channel USB power switch designed to support the power distribution requirements for USB Wakeup from the ACPI S3 state. The MIC2012 will directly switch its two outputs between a 5V main supply ...
Page 2
... MIC2012 Ordering Information Part Number Standard Pb-Free (1) (1) MIC2012BM MIC2012YM MIC2012CM MIC2012ZM MIC2012PCM MIC2012PZM MIC2012-1PCQS MIC2012-1PZQS MIC2012-2PCQS MIC2012-2PZQS MIC2072-1PCQS MIC2072-2PZQS MIC2072-2PCQS MIC2072-2PZQS Note: 1. Contact factory for availablity Pin Confi guration FAULT1 1 S3# 2 AUX 3 GND 4 8-Pin SOIC (M) MIC2012/2072 Enable Fault Output ...
Page 3
MIC2012 Pin Description Pin Number Pin Number Pin Name (MIC2012) (MIC2012- 13 January ...
Page 4
MIC2012 Absolute Maximum Ratings Supply Voltage ( .....................–0. IN, MAIN, AUX EN1, EN2, S3# Input Pins .................................–0. FAULT#, OUT1, OUT2 Output Pins ...................–0. FAULT Output Current ................................................ 25mA ESD Rating, Note ...
Page 5
MIC2012 Symbol Parameter V Latch Reset Threshold TH LATCH (MIC2072, MIC2072-x only) Minimum Output Slew Rate to Reset Latch (MIC2072, MIC2072-x only), Note 6 Overtemperature Threshold V FAULT Output Low Voltage OL V FAULT Output High Voltage OH (MIC2012-1P,-2P),(MIC2072-1P,-2P) FAULT ...
Page 6
MIC2012 Timing Diagrams OUT OUT V OUT I OUT FAULT# MAIN S3# MIC2012/2072 50 90% Figure 2. MIC2012/72-1 50 90% ...
Page 7
MIC2012 Test Circuit V OUT January 2005 V OUT I Device OUT Under OUT Test 90% 90% 10% 10% 7 Micrel t f MIC2012/2072 ...
Page 8
MIC2012 Typical Characteristics Main Supply Current vs. Temperature (Main 1 and Main 4.5, 5.0, 5.5V MAIN EN1 = EN2 = [ON],V = S3# = 5.0V 25 AUX 5.5V MAIN 20 15 5.0 V MAIN ...
Page 9
MIC2012 Output Reset Threshold vs. Temperature 3.00 (Output Latched Off –MIC2072) V Rising OUT 2. 5.0 V MAIN V = S3# = 4.5, 5.0, 5.5V AUX 2.50 5.5V AUX 2.25 2.00 5.0V 1.75 AUX 4.5V AUX 1.50 -40 ...
Page 10
MIC2012 Functional Characteristics AUX Start-up by UVLO V ramps from AUX MAIN MAIN EN = [ON LOAD LOAD TIME (500s/div) Main Start-up by ...
Page 11
MIC2012 AUX Turn-On Response V EN toggles from [OFF] to [ON] TIME (100s/div) Turn-On from S3# to AUX V AUX S3# toggles from [HI] to [LOW] TIME (100s/div) Main Inrush Current into toggles from [OFF] to [ON] ...
Page 12
MIC2012 AUX Ramped to Short by MOSFET AUX V = S3 [ON] MAIN RL toggles from >1k to <0.5 OAD LOAD TIME (25ms/div) AUX Turn-On into Short V EN toggles ...
Page 13
MIC2012 January 2005 AUX-to-Main Cross Conduction =5V MAIN AUX S3# toggles from [LO] to [HI [ON LOAD LOAD 3.96ms TIME (1ms/div) 13 Micrel MIC2012/2072 ...
Page 14
MIC2012 Functional Diagram EN S3# *MIC2070-1/2 Only Functional Description The MIC2012/2072 are designed to support the power distri- bution requirements for USB wakeup from the ACPI S3 state. It integrates two independent channels under control of input S3#. When S3# ...
Page 15
MIC2012 dead short on the output. Fault Status Output The FAULT signal is an active-low output with an open-drain or weak pull-up confi guration. FAULT is asserted (active-low) when either an overcurrent or thermal shutdown condition occurs. In the case ...
Page 16
... MIC2012 Package Information MICREL INC. 2180 FORTUNE DRIVE SAN JOSE, CA 95131 USA + 1 (408) 944-0800 TEL This information furnished by Micrel in this data sheet is believed to be accurate and reliable. However no responsibility is assumed by Micrel for its use. Micrel reserves the right to change circuitry and specifi cations at any time without notifi cation to the customer. ...