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GM66300-5.0TA3TG Datasheet(PDF) 1 Page - Gamma Microelectronics Inc. |
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GM66300-5.0TA3TG Datasheet(HTML) 1 Page - Gamma Microelectronics Inc. |
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1 / 15 page  1 2010/3/2 GM66300 Series 3.0A ULTRA LOW DROPOUT VOLTAGE REGULATORS www.gammamicro.com.tw Features 3.0A minimum guaranteed output current 500mV maximum dropout voltage over temperature, which is ideal for 3.0V to 2.5V conversion and 2.5V to 1.8V conversion. 1% initial accuracy Low ground current Current limiting and Thermal shutdown Reversed-battery protection Reversed-leakage protection Fast transient response Error flag output (GM66301 only) Adjustable version (GM66302 only) Application Description The GM66300, GM66301 and GM66302 are 3.0A, low dropout linear voltage regulators that provide a low voltage, high-current output with a minimum of external components. Utilizing proprietary Super beta PNP pass element, the GM66300/1/2 offers extremely low dropout (typically 400mV at 3.0A) and low ground current (typically 36mA at 3.0A). The GM66300/1/2 is ideal for PC add-in cards that need to convert from standard 3.3V to 2.5V or 2.5V to 1.8V. A guaranteed maximum dropout voltage of 500mV over all operating conditions allows the GM66300/1/2 to provide 2.5V from a supply as low as 3V, and 1.8V from a supply as low as 2.5V. The GM66300/1/2 also has fast transient response for heavy switching applications. The device requires only 47µF of output capacitance to maintain stability and achieve fast transient response. The GM66300/1/2 is fully protected with over current limiting, thermal shutdown, reversed-battery protection, reversed-leakage protection, and reversed-lead insertion. The GM66301 offers a TTL-logic compatible enable pin and an error flag that indicates under voltage and over current conditions. Offered in fixed voltages, the GM66300/1 comes in the TO-220 and TO-263 packages and is an ideal upgrade to older, NPN-based linear voltage regulators. The GM66302 is adjustable version, with On/Off feature. PC Add-in Cards High Efficiency Linear Power Supplies Multi-media and PC Processor Supplies Low Voltage Microcontrollers Automotive Electronics Typical Application Circuits GM66300-2.5 VIN VOUT Gnd VIN 3.3V VOUT 2.5V 47uF VOUT Gnd VIN 3.3V VOUT 2.5V 47uF GM66302 VIN VOUT Gnd VIN VOUT 47uF Flag Enable Error Flag Output Enable Shutdown Adj GM66301-2.5 1.0uF Enable Enable Shutdown |
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