MC33286 데이터 시트보기 (PDF) - Freescale Semiconductor

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MC33286

AUTOMOTIVE DUAL HIGH SIDE DRIVER

Freescale Semiconductor 

Freescale Semiconductor, Inc.

MC33286

ELECTRICAL CHARACTERISTICS Tj from - 40°C to +125°C, Vbat from 8V to 16V, unless otherwise noted.Typical values reflect approximate mean

at 25°C, Vbat =12V, at time of device characterization.

Description

Turn-off Delay Time

Open Load to Status Low Delay Time

Symbol

tdoff

TOL

Characteristics

Min

Typ

Max

100

150

10

Unit

µs

µs

Conditions

IN = 2.5V to 90% Vout,

Vbat=12V

FUNCTIONAL TRUTH TABLE

Conditions

IN1

IN2

OUT1

OUT2

St1

St2

Normal Operation

L

L

L

L

H

H

H

L

H

L

H

H

L

H

L

H

H

H

H

H

H

H

H

H

Undervoltage

X

X

L

L

H

H

Overtemperature Channel 1

H

X

L

X

L

H

Overtemperature Channel 2

X

H

X

L

H

L

Overtemperature Channel 1/Channel 2

H

H

L

L

L

L

Open Load Channel 1

Open Load Channel 2

H

X

H

X

L

H

X

H

X

H

H

L

Overcurrent Channel 1

Overcurrent Channel 2

H

X

X

X

H

H

X

H

X

X

H

H

L = ‘Low level’ ; H = ‘High level’ ; X = ‘don’t care’

Figure 1. Application Schematic

Battery

100nF

5V

Status pull-up

resistors

10KΩ

Vbat Vbat Vbat Vbat

OUT2

OUT2

Load 2

10KΩ

Status 2

IN2

CHANNEL 2

Vbatc

Charge

Pump

MCU

IN1

Status 1

Input

Trigger

U.V.

Lockout

Vbat Vbat Vbat Vbat

Over

Temp

Vbatc

Open

Load

Thermal

Sensor

Over

Current

OUT1

OUT1

Load 1

GND

CHANNEL 1

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