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STCF05TBR Datenblatt(PDF) 6 Page - STMicroelectronics |
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STCF05TBR Datenblatt(HTML) 6 Page - STMicroelectronics |
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6 / 33 page ![]() Description (continued) STCF05 6/33 Doc ID 15257 Rev 4 1 Description (continued) An optional external NTC is supported to protect the LEDs against over heating. In mobile phone application it is possible to reduce immediately the flash LEDs current during the signal transmission using the TMSK pin. This saves battery life and gives more priority to supply RF transmission instead of flash function. It is possible to separately program the current intensity in flash and torch mode using exponential steps by I²C. In case of insufficient power from the battery a warning is generated. An auxiliary output can control an optional red LED to be used as a recording indicator. The device is packaged in BGA 3 x 3 mm with 1 mm height. |
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