Philips Semiconductors
Product specification
Logic level TOPFET
SMD version of BUK112-50GL
DESCRIPTION
Monolithic temperature and
overload protected logic level power
MOSFET in a 5 pin plastic SMD
envelope, intended as a low side
switch for automotive applications.
BUK111-50GL
QUICK REFERENCE DATA
SYMBOL
V
DS
I
D
T
j
R
DS(ON)
SYMBOL
V
PS
PARAMETER
Continuous drain source voltage
Continuous drain current
Continuous junction temperature
Drain-source on-state resistance
PARAMETER
Protection supply voltage
MAX.
50
12
150
93
NOM.
5
UNIT
V
A
藲C
m鈩?/div>
UNIT
V
FEATURES
Vertical power DMOS output
stage
Low on-state resistance
Low operating supply current
Overtemperature protection
Overload protection against
short circuit load with
drain current limiting
Latched overload protection
reset by protection supply
Protection circuit condition
indicated by flag pin
Off-state detection
of open circuit load
indicated by flag pin
5 V logic compatible input level
Integral input resistors.
ESD protection on all pins
Over voltage clamping
FUNCTIONAL BLOCK DIAGRAM
PROTECTION SUPPLY
DRAIN
FLAG
OC LOAD
DETECT
O/V
CLAMP
INPUT
POWER
RIG
MOSFET
LOGIC AND
PROTECTION
RIS
SOURCE
Fig.1. Elements of the TOPFET.
PINNING - SOT426
PIN
1
2
3
4
5
mb
input
flag
(connected to mb)
protection supply
source
drain
DESCRIPTION
PIN CONFIGURATION
mb
SYMBOL
D
TOPFET
P
F
I
P
3
1 2
4 5
S
Fig. 2.
Fig. 3.
September 1996
1
Rev 1.000
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