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UNIT
V
V
APPLICATIONS
General controller for driving
lamps
motors
solenoids
heaters
SYMBOL
V
PSN
FEATURES
Vertical power DMOS output
stage
Low on-state resistance
Logic and protection supply
from separate pin
Low operating supply current
Overload protection against
over temperature
Overload protection against
short circuit load
Latched overload protection
reset by protection supply
Protection circuit condition
indicated by flag pin
5 V logic compatible input level
Separate input pin
for higher frequency drive
ESD protection on input, flag
and protection supply pins
Over voltage clamping for turn
off of inductive loads
Both linear and switching
operation are possible
FUNCTIONAL BLOCK DIAGRAM
PROTECTION SUPPLY
DRAIN
FLAG
O/V
CLAMP
POWER
MOSFET
INPUT
LOGIC AND
PROTECTION
SOURCE
Fig.1. Elements of the TOPFET.
PINNING - SOT263
PIN
1
2
3
4
5
tab
input
flag
drain
protection supply
source
drain
DESCRIPTION
PIN CONFIGURATION
tab
SYMBOL
D
TOPFET
P
F
I
P
1 2345
leadform
263-01
Fig. 2. Type numbers ending with
suffix P refer to leadform 263-01.
S
Fig. 3.
February 1993
1
Rev 1.200