ATA6661-TAPY ATMEL [ATMEL Corporation], ATA6661-TAPY Datasheet
ATA6661-TAPY
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ATA6661-TAPY Summary of contents
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Features • Temperature and Supply Voltage Compensated Flashing Frequency • Frequency Doubling Indicates Lamp Outage • Relay Driver Output with High Current Carrying Capacity and Low Saturation Voltage • Minimum Lamp Load for Flasher Operation: • Very Low Susceptibility to ...
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Block Diagram Figure 2-1. Car Flasher Application Circuit, Resistor R Polarity: 0. Measuring comparator K 4 Pulse R 1 generator 49 a-Comparator K 49 a-Comparator K 5 U643B 2 and R : 0.25W ...
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Pin Configuration Figure 3-1. Pinning Table 3-1. Pin Description Pin Symbol Function 1 GND IC ground 2 VS Supply voltage V 3 REL Relay driver 4 OSC C Oscillator 1 5 OSC R Oscillator Supply voltage ...
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Functional Description 4.1 Pin 1, GND The U643B is protected against damage in case of battery reversal via resistor R (–31). An integrated protection circuit together with external resistances R rent pulses in the IC. 4.2 Pin 2, Supply ...
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Pin 7, Lamp Outage Detection The lamp current is monitored via an external shunt resistor R with its reference voltage of typically according to the following calculation: Nominal current of 1 lamp: 21W / (V Nominal ...
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Absolute Maximum Ratings Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. This is a stress rating only and functional operation of the device at these or any other conditions beyond those indicated ...
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Ordering Information Extended Type Number U643B-MY U643B-MFPY U643B-MFPG3Y 9. Package Information 9.1 DIP8 4727B–AUTO–09/05 Package Remarks DIP8 Pb-free SO8 Tubed, Pb-free SO8 Taped and reeled, Pb-free U643B 7 ...
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SO8 Package SO8 Dimensions in mm 10. Revision History Please note that the following page numbers referred to in this section refer to the specific revision mentioned, not to this document. Revision No. 4727B-AUTO-09/05 U643B 8 5.00 4.85 1.4 ...
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Atmel Corporation 2325 Orchard Parkway San Jose, CA 95131, USA Tel: 1(408) 441-0311 Fax: 1(408) 487-2600 Regional Headquarters Europe Atmel Sarl Route des Arsenaux 41 Case Postale 80 CH-1705 Fribourg Switzerland Tel: (41) 26-426-5555 Fax: (41) 26-426-5500 Asia Room 1219 ...