Philips Semiconductors
Product specification
Logic level TOPFET
D-PAK version of BUK117-50DL
DESCRIPTION
Monolithic temperature and
overload protected logic level power
MOSFET in
TOPFET2
technology
assembled in a 3 pin surface mount
plastic package.
BUK138-50DL
QUICK REFERENCE DATA
SYMBOL
V
DS
I
D
P
D
T
j
R
DS(ON)
I
ISL
PARAMETER
Continuous drain source voltage
Continuous drain current
Total power dissipation
Continuous junction temperature
Drain-source on-state resistance
Input supply current
V
IS
= 5 V
MAX.
50
8
40
150
100
650
UNIT
V
A
W
藲C
m鈩?/div>
碌A(chǔ)
APPLICATIONS
General purpose switch for driving
lamps
motors
solenoids
heaters
in automotive systems and other
applications.
FEATURES
TrenchMOS output stage
Current limiting
Overload protection
Overtemperature protection
Protection latched reset by input
5 V logic compatible input level
Control of output stage and
supply of overload protection
circuits derived from input
Low operating input current
permits direct drive by
micro-controller
ESD protection on all pins
Overvoltage clamping for turn
off of inductive loads
FUNCTIONAL BLOCK DIAGRAM
DRAIN
O/V
CLAMP
INPUT
RIG
POWER
MOSFET
LOGIC AND
PROTECTION
SOURCE
Fig.1. Elements of the TOPFET.
PINNING - SOT428
PIN
1
2
3
tab
input
drain
source
DESCRIPTION
PIN CONFIGURATION
tab
SYMBOL
D
TOPFET
I
P
2
drain
1
3
S
May 2001
1
Rev 1.300
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