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U6433B

Features: ` Temperature and voltage compensated frequency` Warning indication of lamp failure by means of frequency doubling can be disabled` Voltage dependence of the car indicator lamps compensated for lamp failure` Relay output with high current carrying capacityand low saturation voltage` Mini...

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SeekIC No. : 004535023 Detail

U6433B: Features: ` Temperature and voltage compensated frequency` Warning indication of lamp failure by means of frequency doubling can be disabled` Voltage dependence of the car indicator lamps compensate...

U6433B Data Sheet

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Part Number:
U6433B
Supply Ability:
5000

Price Break

  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Upload time: 2024/4/28

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Product Details

Description



Features:

` Temperature and voltage compensated frequency
` Warning indication of lamp failure by means of  frequency doubling can be disabled
` Voltage dependence of the car indicator lamps compensated for lamp failure
` Relay output with high current carrying capacity and low saturation voltage
` Minimum lamp load for flasher operation 1 W
` Load-dump protection
` Very low susceptibility to EMI
` Protection according to ISO/TR 7637/1 level 4


Pinout

Connection Diagram


Specifications

Reference point Pin 1
Parameters
Symbol
Value
Unit
Supply voltage                                    Pins 2 and 6
VS
18
V
Surge forward current     tp = 0.1 ms Pins 2 and 6
                                        tp = 300 ms Pins 2 and 6
                                        tP = 300 ms Pin 8
IFSM
IFSM
IFSM
1.5
1.0
30.0
A
A
mA
Output current                                     Pin 3
IO
0.3
A
Power dissipation                     Tamb = 95 SO 8
                                                 Tamb = 60 SO 8
Ptot
Ptot
340
560
mW
mW
Junction temperature
Tj
150
Ambient temperature range
Tamb
-40to+105
Storage temperature range
Tstg
-55to+150



Description

The design of the U6433B is mainly based on the good results of U6043B in terms of EMC (Electro Magnetic Capability) and protection features. It includes an additional 8-mV comparator and a logical connection with the frequency doubling stage. This combination can be used for a hazard switch which bypasses the external shunt resistor to disable the frequency doubling. This feature can be useful in the US automotive industry. During direction mode the U6433B works like other flashers, i.e.,frequency doubling in the case of lamp outage.




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