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U6433B, U6433BAFP, U6433BAFPG3

Table of contents:
Info of U6433B
Info of U6433BAFP
Info of U6433BAFPG3

U6433B, U6433BAFP, U6433BAFPG3 Selling Leads, Datasheet

MFG:TFK Package Cooled:SOP-8/4K D/C:9540

U6433B, U6433BAFP, U6433BAFPG3 Datasheet download

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Part Number: U6433B

MFG: TFK

Package Cooled: SOP-8/4K

D/C: 9540

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U6433B General 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.

U6433B Maximum Ratings

Reference point Pin 1

Parameters	Symbol	Value	Unit
Supply voltage Pins 2 and 6	V_S	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	I_FSM I_FSM I_FSM	1.5 1.0 30.0	A A mA
Output current Pin 3	I_O	0.3	A
Power dissipation Tamb = 95 SO 8 Tamb = 60 SO 8	P_tot P_tot	340 560	mW mW
Junction temperature	T_j	150
Ambient temperature range	T_amb	-40to+105
Storage temperature range	T_stg	-55to+150

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 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

U6433B Connection Diagram

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