BUK148-50DL_1| Datasheet

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Philips Semiconductors

Product specification

Logic level TOPFET

BUK148-50DL

DESCRIPTION
Monolithic temperature and overload protected logic level power MOSFET in TOPFET2 technology assembled in a 3 pin plastic package.

QUICK REFERENCE DATA
SYMBOL VDS ID PD Tj RDS(ON) IISL PARAMETER Continuous drain source voltage Continuous drain current Total power dissipation Continuous junction temperature Drain-source on-state resistance Input supply current VIS = 5 V MAX. 50 8 40 150 100 650 UNIT V A W C m uA

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 - SOT226
PIN 1 2 3 tab input drain source drain DESCRIPTION

PIN CONFIGURATION
tab

SYMBOL
D TOPFET I

P

1 2 3

S

May 2001

1

Rev 1.100

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BUK148-50DL_1 DATASHEET