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PDF U6049B-FP Data sheet ( Hoja de datos )

Número de pieza U6049B-FP
Descripción Radiator Fan Controlled Timer
Fabricantes TEMIC Semiconductors 
Logotipo TEMIC Semiconductors Logotipo



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No Preview Available ! U6049B-FP Hoja de datos, Descripción, Manual

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)

1 page




U6049B-FP pdf
U6049B
Absolute Maximum Ratings
Parameters
Operating voltage, static, 5 min
Ambient temperature range
Storage temperature range
Junction temperature
Symbol
VBatt
Tamb
Tstg
Tj
Value
24
–40 to +125
55 to +125
150
Thermal Resistance
Parameters
Junction ambient
DIP8
SO8
Symbol
RthJA
RthJA
Maximum
110
160
Electrical Characteristics
VBatt =13.5 V, Tamb = 25°C, reference point ground, figure 2, unless otherwise specified
Parameters
Operating voltage
w WTest Conditions / Pin
R1 510
t < 5 min
t < 60 min
5 V supply
Without R1, C1
figure 2b
Pins 7 and 8
Stabilized voltage
Pin 7
Undervoltage threshold
Power-on reset
Supply current
Push buttons open Pin 8
Internal Z-diode
Relay output
I8 = 10 mA
Pin 8
Pin 2
Saturation voltage
Leakage current
Output current
I2 = 200 mA
I2 = 300 mA
V2 = 14 V
Output pulse current
Load dump pulse
Internal Z-diode
Oscillator input
I2 = 10 mA
f = 0.001 to 40 kHz, see table 1
Internal discharge resistance
Switching voltage
Lower
Upper
Input current
Switching times
V6 = 0 V
Debounce time
Delay time
Inputs
Pin 3, 4, 5
Switching threshold
Internal Z-diode
Ignition input
I3, 4, 5 = 10 mA
Pin 3
Pull-down resistance
Thermal switch
Switched to VBatt ( 15)
Pin 4
Input current
Programming input
V4 = 0 V
Pin 5
Input current
V5 = 0 V
Symbol
VBatt
V8, V7
V7
VS
IS
VZ
V2
Ilkg
I2
I2
V2
Pin 6
R6
V6L
V6H
–I6
t3
td
V3,4,5
V3,4,5
R3
– I4
– I5
Min
6
4.3
5.0
3.0
13.5
20
1.6
0.9
2.8
5
72704
1.6
6.5
13
Typ
5.2
1.3
14
1.2
2
22
2.0
1.1
3.1
2.0
7.1
20
Unit
V
°C
°C
°C
Unit
K/W
K/W
Max
16
24
18
6.0
5.4
4.2
2.0
16
1.5
100
300
1.5
24
2.4
1.4
3.5
1
7
74752
2.4
8.0
50
2
2
Unit
V
V
V
V
mA
V
V
mA
mA
A
V
kW
V
mA
cycles
cycles
V
V
kW
mA
mA
TELEFUNKEN Semiconductors
Rev. A3, 04-Feb-97
5 (8)

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