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U6047B-FP Datasheet

  • U6047B-FP

  • Rear Window Heating Timer

  • 162.23KB

  • 11頁

  • TEMIC

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U6046B / U6047B
Rear Window Heating Timer
Description
The window heating timers are bipolar integrated
circuits. Due to time controlled functions, they reduce the
current consumptions of high loads i.e., heating resistors.
An ON-relay can be switched off after a preset delay time.
The relay time can be interrupted manually, whereas a
retrigger function is not provided.
Features
D
D
D
D
D
Delay time range: 3.7 s to 20 h
RC oscillator determines switching characteristics
Relay driver with Z-diode
Debounced input for toggle switch
Two debounced inputs: ON and OFF
D
D
D
D
D
Load-dump protection
RF interference protected
Protection according to ISO/TR7637-1 (VDE 0839)
U6046B: Inputs switched to V
Batt
U6047B: Inputs switched to ground
Ordering Information
Extended Type Number
U6046B, U6047B
U6046B鈥揊P, U6047B鈥揊P
Package
DIP8
SO8
Remarks
Block Diagram
C
2
R
2
6
V
stab
7
47
m
F
C
1
R
1
510
W
V
Batt
OSC
V
S
8
Oscillator
Stabilization
Power-on reset
Load-dump detection
1
GND
Frequency divider
3
ON
4
OFF
5
TOGGLE
94 8747
Debouncing
Monoflop
Relay control
output
2
Figure 1. Block diagram with external circuit
TELEFUNKEN Semiconductors
Rev. A2, 03-Feb-97
1 (11)

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