33982B Datasheet, PDF (16/34 Pages) Freescale Semiconductor, Inc – Single Intelligent High-Current Self-Protected Silicon High-Side Switch (2.0 mohm)

FUNCTIONAL DESCRIPTION
FUNCTIONAL PIN DESCRIPTION
SERIAL OUTPUT (SO)
This output pin is connected to the SPI Serial Data Input
pin of the MCU or to the SI pin of the next device in a daisy
chain of devices. This output will remain tri-stated (high
impedance OFF condition) so long as the CS pin of the device
is logic HIGH. SO is only active when the CS pin of the device
is asserted logic LOW. The generated SO output signals are
CMOS logic levels. SO output data is available on the falling
edge of SCLK and transitions immediately on the rising edge
of SCLK.
POSITIVE POWER SUPPLY (VPWR)
This pin connects to the positive power supply and is the
source input of operational power for the device. The VPWR
pin is a backside surface mount tab of the package.
HIGH-SIDE OUTPUT (HS)
This pin protects high-side power output to the load.
Output pins must be connected in parallel for operation.
33982
16
Analog Integrated Circuit Device Data
Freescale Semiconductor