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EUP7907A-XXJIR1 Datasheet(PDF) 1 Page - Eutech Microelectronics Inc |
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EUP7907A-XXJIR1 Datasheet(HTML) 1 Page - Eutech Microelectronics Inc |
1 / 12 page EUP7907A DS7907A Ver 1.1 Mar. 2009 1 600mA Low Noise High PSRR Low Dropout Linear Regulator DESCRIPTION The EUP7907A is a high current, low dropout linear regulator with fast transient response and high PSRR. It offers high output accuracy, extremely low dropout voltage, low quiescent current and fast start-up time. The EUP7907A is designed to work with low-ESR ceramic capacitor, reducing the amount of the PCB area necessary for power applications. Only a 2.2uF ceramic capacitor can make the device stable over the whole load range. The EUP7907A monitors the input voltage for power on reset to ensure the regulator is disabled when the input voltage is not high enough for normal operation. When EUP7907A detects fault signal, such as over-temperature, it will turn off the pass transistor and discharge VOUT to GND from the internal resistor. EUP7907A only can be operated in fixed mode, the pre-set valve is from 1.2V~3.6V. By setting the capacitor connected to BYPASS pin can get high PSRR. Other key features include over-current protection, thermal shutdown. The device can be available in the TDFN-6 and SOT23-5 package. FEATURES 2.5V to 5.5V Input Voltage Range 300mV@600mA Dropout Voltage Excellent Transient Response Stable with 2.2uF Ceramic Output Capacitor 70dB PSRR at 1kHz Low 120µA Quiescent Current Low Shutdown Current:<1µA Output Current Limit Output Voltage With High Accuracy: 2% Initial Accuracy Fixed Output Voltage: 1.2V ~ 3.6V Thermal Shutdown COUT Auto-Discharge when Shutdown RoHS Compliant and 100% Lead (Fb)-Free APPLICATIONS Cellular Phones Bluetooth portable radios and Accessories battery-Powered Equipment Laptop, Palmtops, Notebook Compute Typical Application Circuit Figure. 1 Fixed Output |
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