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PDF ( 数据手册 , 数据表 ) U6049B-FP

零件编号 U6049B-FP
描述 Radiator Fan Controlled Timer
制造商 TEMIC Semiconductors
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U6049B-FP 数据手册, 描述, 功能
Radiator Fan Controlled Timer
U6049B
Description
The bipolar integrated circuit, U6049B, is designed as a
radiator fan controlled timer. After the ignition is
switched off, the thermal switch of the engine can activate
the radiator fan via relay for a preset period to support the
cooling process.
Features
D Delay time range: 3.7 s to 20 h
D Cooling time starts when thermal switch is closed
D RC-oscillator determines switching characteristics
D Relay driver with Z-diode
D Debounced input for coolant temperature switch
D Not debounced input for ignition key (Terminal 15)
D Load-dump protection
D RF interference protected
D Protection according to ISO/TR 7637-1 (VDE 0839)
Ordering Information
Extended Type Number
U6049B
U6049B–FP
Package
DIP8
SO8
Remarks
Block Diagram
C2
OSC 6
Oscillator
R2
Frequency divider
Vstab 7
47 mF
C1 R1
WVS 8 510
Stabilization
Power-on reset
Load-dump detection
1
GND
VBatt
Debouncing Monoflop
Logic
Relay con- 2
trol output Output
Thermal switch
VBatt R5
4 5 Ignition 3
Programming
R4
2 kW
C3
100 nF
R3 20 kW
Terminal 15
94 8748
Figure 1. Block diagram with external circuit
TELEFUNKEN Semiconductors
Rev. A3, 04-Feb-97
1 (8)







U6049B-FP pdf, 数据表
U6049B
Ozone Depleting Substances Policy Statement
It is the policy of TEMIC TELEFUNKEN microelectronic GmbH to
1. Meet all present and future national and international statutory requirements.
2. Regularly and continuously improve the performance of our products, processes, distribution and operating systems
with respect to their impact on the health and safety of our employees and the public, as well as their impact on
the environment.
It is particular concern to control or eliminate releases of those substances into the atmosphere which are known as
ozone depleting substances ( ODSs).
The Montreal Protocol ( 1987) and its London Amendments ( 1990) intend to severely restrict the use of ODSs and
forbid their use within the next ten years. Various national and international initiatives are pressing for an earlier ban
on these substances.
TEMIC TELEFUNKEN microelectronic GmbH semiconductor division has been able to use its policy of
continuous improvements to eliminate the use of ODSs listed in the following documents.
1. Annex A, B and list of transitional substances of the Montreal Protocol and the London Amendments respectively
2 . Class I and II ozone depleting substances in the Clean Air Act Amendments of 1990 by the Environmental
Protection Agency ( EPA) in the USA
3. Council Decision 88/540/EEC and 91/690/EEC Annex A, B and C ( transitional substances ) respectively.
TEMIC can certify that our semiconductors are not manufactured with ozone depleting substances and do not contain
such substances.
We reserve the right to make changes to improve technical design and may do so without further notice.
Parameters can vary in different applications. All operating parameters must be validated for each customer
application by the customer. Should the buyer use TEMIC products for any unintended or unauthorized
application, the buyer shall indemnify TEMIC against all claims, costs, damages, and expenses, arising out of,
directly or indirectly, any claim of personal damage, injury or death associated with such unintended or
unauthorized use.
TEMIC TELEFUNKEN microelectronic GmbH, P.O.B. 3535, D-74025 Heilbronn, Germany
Telephone: 49 ( 0 ) 7131 67 2831, Fax number: 49 ( 0 ) 7131 67 2423
8 (8) TELEFUNKEN Semiconductors
Rev. A3, 04-Feb-97














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