MC33286 Datasheet, PDF (3/8 Pages) Motorola, Inc – Automotive Dual

Freescale Semiconductor, Inc.
MC33286
ELECTRICAL CHARACTERISTICS T_j from - 40°C to +125°C, V_bat from 8V to 16V, unless otherwise noted.Typical values reflect approximate mean
at 25°C, V_bat =12V, at time of device characterization.
Description
Turn-off Delay Time
Open Load to Status Low Delay Time
Symbol
t_doff
T_OL
Characteristics
Min
Typ
Max
100
150
10
Unit
µs
µs
Conditions
IN = 2.5V to 90% V_out,
V_bat=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
V_bat V_bat V_bat V_bat
OUT2
OUT2
Load 2
10KΩ
Status 2
IN2
CHANNEL 2
V_batc
Charge
Pump
MCU
IN1
Status 1
Input
Trigger
U.V.
Lockout
V_bat V_bat V_bat V_bat
Over
Temp
V_batc
Open
Load
Thermal
Sensor
Over
Current
OUT1
OUT1
Load 1
GND
CHANNEL 1
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3
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