MIC20XX Family
Fixed and Adjustable Current Limiting
Power Distribution Switches
General Description Features
MIC20XX family of switches are current limiting, high-side MIC20X3 MIC20X9
power switches, designed for general purpose power
70m typical on-resistance @ 5V
distribution and control in digital televisions (DTV), printers,
MIC2005A/20X9A
set top boxes (STB), PCs, PDAs, and other peripheral
170m typical on-resistance @ 5V
devices (see Functionality Table and Pin Configuration
Enable active high or active low
drawings)
2.5V 5.5V operating range
MIC20XX familys primary functions are current limiting
and power switching. They are thermally protected and will
Pre-set current limit values of 0.5A, 0.8A, and 1.2A*
shutdown should their internal temperature reach unsafe
Adjustable current limit 0.2A to 2.0A* (MIC20X7-
levels, protecting both the device and the load, under high-
MIC20X9)
current or fault conditions
Adjustable current limit 0.1A to 0.9A* (MIC20X9A)
Features include fault reporting, fault blanking to eliminate
Undervoltage lock-out (UVLO)
noise-induced false alarms, output slew rate limiting, under
Variable UVLO allows adjustable UVLO thresholds*
voltage detection, automatic-on output, and enable pin
Automatic load discharge for capacitive loads*
with choice of either active low or active high enable. The
FET is self-contained, with a fixed- or user-adjustable
Soft-start prevents large current inrush
current limit. The MIC20XX family is ideal for any system
Adjustable slew rate allows custom slew rates*
where current limiting and power control are desired.
Automatic-on output after fault
The MIC201X (3 x 9) and MIC2019A switches offer a
Thermal protection
unique new patented feature: Kickstart, which allows
momentary high-current surges up to the secondary
* Available on some family members
current limit (I _2nd) without sacrificing overall system
LIMIT
safety.
Applications
The MIC20xx family is offered, depending on the desired
Digital televisions (DTV)
features, in a space-saving 5-pin SOT-23, 6-pin SOT-23,
Set top boxes
and 2mm x 2mm MLF packages.
PDAs
Datasheets and support documentation can be found on
Micrels web site at: www.micrel.com.
Printers
USB / IEEE 1394 power distribution
Desktop and laptop PCs
Game consoles
Docking stations
___________________________________________________________________________________________________________
Typical Application
5V Supply
MIC2005A
Logic
V
BUS
Controller
VIN VOUT
USB
120F
VIN GND
Port
ON/OFF EN FAULT/
1F
OVERCURRENT/
Figure 1. Typical Application Circuit
Kickstart is a trademark of Micrel, Inc.
Protected by U.S. Patent No. 7,170,732
MLF and MicroLeadFrame are registered trademarks of Amkor Technology, Inc.
CableCARD is a trademark of CableLabs.
Micrel Inc. 2180 Fortune Drive San Jose, CA 95131 USA tel +1 (408) 944-0800 fax + 1 (408) 474-1000 Micrel, Inc. MIC20xx Family
Ordering Information
MIC2003/2013
(1) (2)
Part Number Marking Current Limit Kickstart Package
MIC2003-0.5YM5 FD05 0.5A
MIC2003-0.8YM5 FD08 0.8A 5-Pin SOT-23
MIC2003-1.2YM5 FD12 1.2A
No
MIC2003-0.5YML 0.5A
D05
6-Pin 2mm x 2mm MLF
MIC2003-0.8YML 0.8A
D08
MIC2003-1.2YML 1.2A
D12
MIC2013-0.5YM5 FL05 0.5A
MIC2013-0.8YM5 FL08 0.8A 5-Pin SOT-23
MIC2013-1.2YM5 FL12 1.2A
Yes
MIC2013-0.5YML 0.5A
L05
MIC2013-0.8YML 0.8A 6-Pin 2mm x 2mm MLF
L09
MIC2013-1.2YML 1.2A
L12
MIC2004/2014
(1) (2)
Part Number Marking Current Limit Kickstart Package
MIC2004-0.5YM5 FE05 0.5A
5-Pin SOT-23
MIC2004-0.8YM5 FE08 0.8A
MIC2004-1.2YM5 FE12 1.2A
No
MIC2004-0.5YML 0.5A
E05
MIC2004-0.8YML 0.8A 6-Pin 2mm x 2mm MLF
E08
MIC2004-1.2YML 1.2A
E12
MIC2014-0.5YM5 FM05 0.5A
MIC2014-0.8YM5 FM08 0.8A 5-Pin SOT-23
MIC2014-1.2YM5 FM12 1.2A
Yes
MIC2014-0.5YML 0.5A
M05
6-Pin 2mm x 2mm MLF
MIC2014-0.8YML 0.8A
M09
MIC2014-1.2YML 1.2A
M12
Notes:
1. All MIC20XX Family parts are RoHS-compliant lead free.
2. Over/Under-bar symbol ( / _ ) may not be to scale. On the package the over/under symbol begins above/below the first character of the
marking.
August 2011 2 M9999-080211-D