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GM663011.8TA3R Datasheet(PDF) 1 Page - Gamma Microelectronics Inc. |
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GM663011.8TA3R Datasheet(HTML) 1 Page - Gamma Microelectronics Inc. |
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1 / 11 page  Description The GM66300 series is 3.0A low-dropout linear voltage reg- ulators that provide a low-voltage, and high-current output with a minimum of external components. The GM66300 series offers extremely low dropout (typically 400mV at 3.0A) and low ground current (typically 36mA at 3.0A). The GM66300 series is ideal for PC add-in cards that need to convert from standard 3.0V to 2.5V and 2.5V to 1.8, down to new, lower core voltages. A guaranteed maximum dropout voltage of 500mV over all operating conditions allows the GM66300 series to provide 2.5V from a supply as low as 3V or 1.8V . The GM66300 series 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 series is fully protected with overcurrent limiting, thermal shutdown, reversed-battery protection, reversed-lead insertion protection, and reversed-leakage protection. The GM66301 series offers a TTL-logic-compatible enable pin, and an error flag that indicates undervoltage and overcurrent conditions. Offered in a fixed voltages, 1.8V and 2.5V, the GM66300 series comes in the TO-220 and TO-263 packages, and is an ideal upgrade to older, NPN- based linear voltage regulators. The GM66030 is adjustable version. Application LDO linear regulator for PC add-in cards High-efficiency linear power supplies SMPS post regulator Multimedia and PC processor supplies Low-voltage microcontrollers TM Strong ARM processor supply Features 3.0A minimum guaranteed output current 500mV dropout voltage Ideal for 3.0V to 2.5V conversion Ideal for 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 TO-220 and TO-263 packages TTL/CMOS compatible enable pin (GM66301 only) Error flag output (GM66301 only) Adjustable version (GM66302 only) TYPICAL APPLICATION CIRCUITS www.gammamicro.com 1 + VIN 3.3V GM66300 - 2.5 47µF VOUT 2.5V GND + VIN 3.3V 47µF VOUT 2.5V GM66301 - 2.5 GND VEN FLG 100kW ENABLE SHUTDOWN ERROR FLAG OUTPUT VIN VOUT VIN VOUT VIN 3.3V 47µF GM66302 GND VEN OUT ENABLE SHUTDOWN VIN Adj 1.25V + 10µF |
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