BUK135-50L_1| Datasheet

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Philips Semiconductors

Product Specification

Logic level TOPFET SMD version of BUK124-50L
DESCRIPTION
Monolithic logic level protected power MOSFET using TOPFET2 technology assembled in a 5 pin surface mounting plastic package.

BUK135-50L

QUICK REFERENCE DATA
SYMBOL VDS ID Ptot Tj RDS(ON) SYMBOL VPS PARAMETER Continuous drain source voltage Continuous drain current Total power dissipation Continuous junction temperature Drain-source on-state resistance PARAMETER Protection supply voltage MAX. 50 30 90 150 28 NOM. 5 UNIT V A W C m UNIT V

APPLICATIONS
General purpose switch for automotive systems and other applications.

FEATURES
TrenchMOS output stage with low on-state resistance Separate input pin for higher frequency drive 5 V logic compatible input Separate supply pin for logic and protection circuits with low operating current Overtemperature protection Drain current limiting Short circuit load protection Latched overload trip state reset by the protection pin Diagnostic flag pin indicates protection supply connected, overtemperature condition,overload tripped state, or open circuit load (detected in the off-state) ESD protection on all pins Overvoltage clamping

FUNCTIONAL BLOCK DIAGRAM
PROTECTION SUPPLY DRAIN

FLAG

OC LOAD DETECT

O/V CLAMP

INPUT

POWER RIG MOSFET

LOGIC AND PROTECTION

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.

July 2002

1

Rev 1.100

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BUK135-50L_1 DATASHEET