BUK204-50Y_1| Datasheet

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Philips Semiconductors

Product specification

TOPFET high side switch SMD version of BUK200-50Y
DESCRIPTION
Monolithic temperature and overload protected power switch based on MOSFET technology in a 5 pin plastic surface mount envelope, configured as a single high side switch.

BUK204-50Y

QUICK REFERENCE DATA
SYMBOL IL SYMBOL VBG IL Tj RON PARAMETER Nominal load current (ISO) PARAMETER Continuous off-state supply voltage Continuous load current Continuous junction temperature On-state resistance MIN. 3.5 MAX. 50 10 150 100 UNIT A UNIT V A C m

APPLICATIONS
General controller for driving lamps, motors, solenoids, heaters.

FEATURES
Vertical power DMOS switch Low on-state resistance 5 V logic compatible input Overtemperature protection self resets with hysteresis Overload protection against short circuit load with output current limiting; latched - reset by input High supply voltage load protection Supply undervoltage lock out Status indication for overload protection activated Diagnostic status indication of open circuit load Very low quiescent current Voltage clamping for turn off of inductive loads ESD protection on all pins Reverse battery and overvoltage protection

FUNCTIONAL BLOCK DIAGRAM

BATT STATUS POWER MOSFET CONTROL & PROTECTION CIRCUITS LOAD GROUND RG

INPUT

Fig.1. Elements of the TOPFET HSS with internal ground resistor.

PINNING - SOT426
PIN 1 2 3 4 5 mb DESCRIPTION Ground Input (connected to mb) Status Load Battery

PIN CONFIGURATION
mb

SYMBOL

I S
3 1 2 4 5

B

TOPFET HSS
G

L

Fig. 2.

Fig. 3.

July 1996

1

Rev 1.000

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BUK204-50Y_1 DATASHEET