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FAST LOAD TRANSIENT RESPONSE CIRCUIT FOR AN LDO REGULATOR
FAST LOAD TRANSIENT RESPONSE CIRCUIT FOR AN LDO REGULATOR
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机译:LDO稳压器的快速负载瞬态响应电路
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摘要
A fast load transient response circuit includes a feedback loop that senses a load transient; a first driver and a second driver responsive to a feedback signal from the feedback loop; and a first pass transistor and a second pass transistor with sources and drains being coupled to each other, and a gate of the first pass transistor being driven by the first driver and a gate of the second pass transistor being driven by the second driver. A width of the channel to length of the channel (W/L) ratio of the first pass transistor is different than that of the second pass transistor such that second pass transistor reacts faster than the first pass transistors to a load transient.
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