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    | Partname: | U479B-FP |  | Description: | Automotive lamp-outage monitor IC. |  | Manufacturer: | Atmel Corporation |  | Package: | SO |  | Pins: | 8 |  | Oper. temp.: | -40 to 95 |  | Datasheet: | PDF (152K). Click here to download *)
 |  | The monolithic integrated bipolar circuit, U479B, is designed as a monitor for lamp failure in automobiles. The comparator threshold is matched to the PTC characteristic of incandescent lamps. The threshold is tied to V4,6 = VS - VT where VT = 8 mV. |  |  Click here to download U479B-FP Datasheet*)
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