Data Book

1

20.08.96

• High-side switch

• Short-circuit protection

• Input protection

• Overtemperature protection with hysteresis

• Overload protection

• Overvoltage protection

• Switching inductive load

• Clamp of negative output voltage with inductive loads

• Undervoltage shutdown

• Maximum current internally limited

• Electrostatic discharge (ESD) protection

Package: SOT 223

Type

Ordering code

BSP 452

Q67000-S271

Application

• µC compatible power switch for 12 V DC grounded loads

• All types of resistive, inductive and capacitive loads

• Replaces electromechanical relays and discrete circuits

General Description

N channel vertical power FET with charge pump, ground referenced CMOS compatible input,monolithically

integrated in Smart SIPMOS technology. Fully protected by embedded protection functions.

Blockdiagramm:

IN

3

R

in

+ Vbb

Signal GND

ESD

miniPROFET

OUT

GND

Logic

Voltage

sensor

Voltage

source

Charge pump

Level shifter

Temperature

sensor

Rectifier

Limit for

unclamped

ind. loads

Gate

protection

Current

limit

2

4

1

Load GND

Load

Overvoltage

protection

ESD-

Diode

limited by connected load.

SOT-223

SOT-223

1