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UC1-3

器件名称: UC1-3
功能描述: Fast LDO Linear Regulator
文件大小: 184.96KB    共6页
生产厂商: TI
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简  介:UC182-1,-2,-3,-ADJ UC282-1,-2,-3,-ADJ UC382-1,-2,-3,-ADJ Fast LDO Linear Regulator FEATURES Fast Transient Response 10mA to 3A Load Current Short Circuit Protection Maximum Dropout of 450mV at 3A Load Current Separate Bias and VIN Pins Available in Adjustable or Fixed Output Voltages 5 Pin Package allows Kelvin Sensing of Load Voltage 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’s output can be significantly decreased when compared to standard LDO linear regulators. Dropout voltage (VIN to VOUT) is only 450mV maximum at 100°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 adjustable 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 UC182-1,-2,-3,-ADJ UC282-1,-2,-3,-ADJ UC382-1,-2,-3,-ADJ ABSOLUTE MAXIMUM RATINGS VB . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13V VIN . . . . . . . . . . . . . . . . . . . . . . . . . . . . ……
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器件名 功能描述 生产厂商
UC1-3 Fast LDO Linear Regulator TI
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