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UC182TD-2 Datasheet

  • UC182TD-2

  • Positive Fixed Voltage Regulator

  • 211.53KB

  • 6页

  • ETC

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UC182-1,-2,-3,-ADJ
UC282-1,-2,-3,-ADJ
UC382-1,-2,-3,-ADJ
Fast LDO Linear Regulator
FEATURES
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Fast Transient Response
鈥?/div>
10mA to 3A Load Current
鈥?/div>
Short Circuit Protection
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Maximum Dropout of 450mV at 3A
Load Current
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Separate Bias and VIN Pins
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Available in Adjustable or Fixed
Output Voltages
鈥?/div>
5 Pin Package allows Kelvin Sensing
of Load Voltage
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Reverse Current Protection
DESCRIPTION
The UC382 is a low dropout linear regulator providing a quick response to
fast load changes. Combined with its precision on-board reference, the
UC382 excels at driving GTL and BTL buses. Due to its fast response to
load transients, the total capacitance required to decouple the regulator鈥檚
output can be significantly decreased when compared to standard LDO lin-
ear regulators.
Dropout voltage (VIN to VOUT) is only 450mV maximum at 100掳C and
350mV typical at 3A load.
The on-board bandgap reference is stable with temperature and scaled for
a 1.200V input to the internal power amplifier. The UC382 is available in
fixed output voltages of 1.5V, 2.1V, or 2.5V. The output voltage of the adjust-
able version can be set with two external resistors. If the external resistors
are omitted, the output voltage defaults to 1.2V.
BLOCK DIAGRAM
UDG-96037-1
SLUS317 - JANUARY 1999
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