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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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SC622AEVB датащи(PDF) 16 Page - Semtech Corporation |
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SC622AEVB датащи(HTML) 16 Page - Semtech Corporation |
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16 / 23 page  SC622A 16 Charge Pump Output Current Limit The device also limits the charge pump current at the VOUT pin. When VOUT is shorted to ground, the typical output current is 300mA. The current limiting is triggered by an output under-voltage lockout below 2V. The output returns to normal when the short is removed and VOUT is above 2.5V. Above 2.5V, a typical current limit of 1A applies. LDO Current Limit The device limits the output currents of LDO1 and LDO2 to help prevent it from overheating and to protect the loads. The minimum limit is 200mA, so load current greater than the rated 100mA can be used with degraded accuracy and larger dropout without tripping the current limit. LED Float Detection Float detect is a fault detection feature of the LED current sink output. If the output is programmed to be enabled and an open circuit fault occurs the current sink output, the output will be disabled to prevent a sustained output OVP condition from occurring due to the resulting open loop. Applications Information (continued) |
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