MIC2569
CableCARD" Power Switch
CableCARD is a trademark of CableLabs, Inc.
OpenCable is a trademark of Cable Television Laboratories, Inc.
Micrel Inc. " 2180 Fortune Drive " San Jose, CA 95131 " USA " tel +1 (408) 944-0800 " fax + 1 (408) 474-1000 " http://www.micrel.com
September 2007
M9999-092507-C
(408) 944-0800
General Description    
MIC2569 is designed to supply power to OpenCable"
systems and CableCARD" hosts. These CableCARDs
are also known as Point of Distribution (POD) cards.
MIC2569 supports both Single and Multiple stream cards
through a simple to control parallel interface. All voltage
switching is soft-start at turn-on, and break-before-make
when changing between different voltage supplies.
Built in current limiting protects all V
CC
and V
PP
output lines
of the host system from card faults and accidental short
circuits. MIC2569 provides a FAULT/ signal to indicate an
over-current or fault condition exists and is equipped with
internal thermal monitoring circuitry to protect the device
itself in the event of a sustained over-current condition.
MIC2569 is offered in a space saving 16 pin QSOP
packaging.
Data sheets and support documentation can be found on
Micrels web site at www.micrel.com.
Features
" 110 m& maximum V
CC
on resistance
" 400 m& maximum V
PP
on resistance
" 3.0V to 3.6V for the 3.3V
IN
operating range
" 3.0V to 5.5V for the 5V
IN
operating range
" 1.3A minimum V
CC
current limit
" 150mA minimum V
PP
current limit (150mA each)
" Compact 16-pin QSOP packaging
" Operating temperatures from 40癈 to +85癈
" Low quiescent current
" Soft start turn-on
" Break-before-make voltage switching
" Short-circuit protection with thermal shutdown
" Input under voltage lock-out (UVLO)
" ESD protection
" No external components required
Applications
" Satellite / Cable / DVR / Television set top boxes
" Video recorders
" Game consoles
___________________________________________________________________________________________________________
Typical Application
OpenCable Power Switch