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U6049B PDF Data sheet ( 特性 )

部品番号 U6049B
部品説明 Radiator Fan Controlled Timer
メーカ TEMIC Semiconductors
ロゴ TEMIC Semiconductors ロゴ 



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U6049B Datasheet, U6049B PDF,ピン配置, 機能
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)

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