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LP38842,pdf datasheet (1.5A Ul
消耗积分:2 |
格式:rar |
大小:550 |
2009-09-30
王尚岱
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The LP38842 is a high current, fast response regulator
which can maintain output voltage regulation with minimum
input to output voltage drop. Fabricated on a CMOS process,
the device operates from two input voltages: Vbias provides
voltage to drive the gate of the N-MOS power transistor,
while Vin is the input voltage which supplies power to the
load. The use of an external bias rail allows the part to
operate from ultra low Vin voltages. Unlike bipolar regulators,
the CMOS architecture consumes extremely low quiescent
current at any output load current. The use of an
N-MOS power transistor results in wide bandwidth, yet minimum
external capacitance is required to maintain loop stability.
which can maintain output voltage regulation with minimum
input to output voltage drop. Fabricated on a CMOS process,
the device operates from two input voltages: Vbias provides
voltage to drive the gate of the N-MOS power transistor,
while Vin is the input voltage which supplies power to the
load. The use of an external bias rail allows the part to
operate from ultra low Vin voltages. Unlike bipolar regulators,
the CMOS architecture consumes extremely low quiescent
current at any output load current. The use of an
N-MOS power transistor results in wide bandwidth, yet minimum
external capacitance is required to maintain loop stability.
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