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https://e2e.ti.com/support/power-management-group/power-management/f/power-management-forum/706681/tps549d22-vbp-voltage-when-vdd-is-lower-than-5-07v
大家好、
TPS549D22的数据表显示、典型的 LDO 输出电压为5.07V。 由于 LDO 输入源来自 VDD 引脚、因此、如果 VDD 电压仅为4.5V、该怎么办？ LDO 是否将被禁用/旁路？
此致、
亨利
LDO 压降电压为365mV (最大值)。 因此、当 VDD 较低时、LDO 输出将为 VDD - 365mV。
