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MC33187 Datasheet

Long Duration Automotive Timer

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MOTOROLAFreescale Semiconductor, Inc.
Order Number: MC33187/D
Rev. 4, 06/2001
Semiconductor Technical Data
Advance Information
Long Duration Automotive Timer
This circuit is a Long Duration Automotive Timer primarily designed
as a deffoger timer, but as it is realised using a digital divider
techniques and it is suitable for a variety of long duration timing
functions. The circuit is available in an 8 pin surface plastic package.
MC33187
LONG DURATION AUTO-
MOTIVE TIMER
SEMICONDUCTOR
TECHNICAL DATA
• Operating Ambient Temperature from -40°C to 85°C
• Operating Voltage Range from 5V to 18V
• 400mA Output Current Capability
• Integrated Input Debounce Circuitry
• Few External Components
• Toggle Input for Timing Start and Stop
D SUFFIX
PLASTIC PACKAGE
CASE 751
(SO-8)
PIN CONNECTIONS
RC 1
Gnd 2
Relay 3
Toggle 4
8 TS
7 N/C
6 N/C
5 Vcc3
Vbat
Block Diagram and Typical Application
ORDERING INFORMATION
Device
Operating
Temperature Range Package
MC33187D
-40°C to +85°C
SO8
Q
R-C
1
Q
6.8 Hz
Q
CQ
CQ
1
S
Q
CQ
CQ
S
Q
CR
12
C
S
Q
Dz Relay
3
2
QD
14
QR
J
QC
Debounce Timer
Out
Timing
In
SQ
13
RR
-
I +5
-
+ 2.3V
Vbat
8 TS
5
VCC
4
Toggle
S1
This document contains information on a new product. Specifications and information herein are
subject to change without notice.
For More Information On This Product,
© Motorola, Inc., 2001. All rights reserved.
Go to: www.freescale.com
TM


Motorola Electronic Components Datasheet

MC33187 Datasheet

Long Duration Automotive Timer

No Preview Available !

MAXIMUM RATINGS
Freescale SMeCm33i1c8o7 nductor, Inc.
Ratings
Symbol
Value
Unit
ELECTRICAL RATINGS
Pin 5 voltage
Vpin5
18
V
Pin 3 Voltage
Vpin3
18
V
Pin 3 Current
Ipin3 400 mA
THERMAL RATINGS
Storage Temperature
Tstg -55 to +175
°C
Operating Junction Temperature
Tj
-40 to +150
°C
ELECTRICAL CHARACTERISTICS. Tamb from - 40°C to + 85°C, Vcc = 14V through 1K, unless otherwise noted. Typical values reflect approximate
mean at 25°C, nominal VCC, at time of device characterization.
Parameters
Symbol
Min
Typ
Max
Unit
RC PIN 1
Oscillator Frequency
Vbat = 14V trough 1K
fo 300
400 Hz
Internal Counter Divider step
VR1
4096
RELAY PIN 3
Output Leakage current @ Vpin3
= 28V / Vbat =14V
IO1
100 uA
Output Leakage current @ Vpin3
= 22V / Vbat = 0V
Output Saturation Voltage @
250mA / Vbat = 14V
Output Saturation Voltage @
400mA
TOGGLE PIN 4
Toggle Input Clamp @ Vbat =
14V / Vpin8 = 14V through 9.1K
Toggle Threshold
VCC3 PIN 5
Supply Current @ Vcc = 5V
VCC Zener Regulation @ Vbat =
14V through 1K
IO2
VO1
VO2
TCLP
VTG-T
ICC
VCC
6.0
1.0
0.5
6.0
100 uA
1.35 V
2.60 V
9.0 V
4.0 V
3.5 mA
8.0 V
TS PIN 8
Time Select Current @ TS = 5V
ITS
25
200 uA
MC33187
MOTOROLA
For More Information On This Product,
Go to: www.freescale.com
2


Part Number MC33187
Description Long Duration Automotive Timer
Maker Motorola
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MC33187 Datasheet PDF






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