BUK202-50X_1| Datasheet

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Philips Semiconductors

Product specification

PowerMOS transistor TOPFET high side switch
DESCRIPTION
Monolithic temperature and overload protected power switch based on MOSFET technology in a 5 pin plastic envelope, configured as a single high side switch.

BUK202-50X

QUICK REFERENCE DATA
SYMBOL IL SYMBOL PARAMETER Nominal load current (ISO) PARAMETER Continuous off-state supply voltage Continuous load current Continuous junction temperature On-state resistance MIN. 9 MAX. 50 20 150 38 UNIT A UNIT V A C m

APPLICATIONS
General controller for driving lamps, motors, solenoids, heaters. VBG IL Tj RON

FEATURES
Vertical power DMOS switch Low on-state resistance 5 V logic compatible input with hysteresis 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 with external ground resistor

FUNCTIONAL BLOCK DIAGRAM

BATT STATUS POWER MOSFET CONTROL & PROTECTION CIRCUITS LOAD GROUND

INPUT

Fig.1. Elements of the TOPFET HSS.

PINNING - SOT263
PIN 1 2 3 4 5 tab DESCRIPTION Ground Input Battery (+ve supply) Status Load

PIN CONFIGURATION
tab

SYMBOL

I S
1 2345

B

TOPFET HSS
G

L

leadform 263-01

Fig. 2.
connected to pin 3

Fig. 3.

April 1995

1

Rev 1.100

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BUK202-50X_1 DATASHEET