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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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L9678P датащи(PDF) 177 Page - STMicroelectronics |
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L9678P датащи(HTML) 177 Page - STMicroelectronics |
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177 / 203 page  DocID029274 Rev 3 177/203 L9678P, L9678P-S Electrical characteristics 202 15.13 VDD3V3 regulator All electrical characteristics are valid for the following conditions unless otherwise noted. -40 °C Ta +95 °C, VDD5(min) VDD5. Table 38. VDD3V3 regulator DC specifications N° Symbol Parameter Condition Min Typ Max Unit 1VO_VDD3V3 Output voltage Across all line and load, steady state 3.2 3.3 3.4 V 2IO_VDD3V3 Output load current capability - 0.5 - 125 mA 3IO_LIM_VDD3V3 Output load current limit - 150 - - mA 6dVSR_ac Line transient response All load IO_VDD3V3; VIN = 6 V to 18 V @ dt = 1 µs; Guaranteed by design 3- 3.6 V 7dVLR_ac Load transient response All line; IO_VDD3V3= 1mA to 100mA @dt = 1 µs; Guaranteed by design 3- 3.6 V 4 VDD3V3OV Over-voltage threshold - 3.43 - 3.6 V 5 VDD3V3UV Under voltage reset threshold -3 - 3.17 V Table 39. VDD3V3 regulator AC specifications N° Symbol Parameter Condition Min Typ Max Unit 1TSOFTST_VDD3 Soft start time From 10% to 90% 1 2 3 ms 2TFLT_VDD3OV Over voltage detection deglitch filter time - 273033 µs 3TFLT_VDD3UV Under voltage detection deglitch filter time - 273033 µs Table 40. VDD3V3 regulator external components (design info) N° Symbol Parameter Condition Min Typ Max Unit 1CBLK_VDD3 Output bulk capacitance Min 4.7µF nominal 3 - 30 µF 2 ESRCBLK_VDD3 Bulk capacitor ESR - - - 50 mΩ |
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