LM1117-1.5

CYStech Electronics Corp. 1A Low Dropout Positive Voltage Regulator LM1117E3 Series Spec. No. : C506E3 Issued Date : 2014.05.07 Revised Date : 2015.05.13 Page No. : 1/7 Features Description ●Adjustable or Fixed Output The LM1117 series of positive adjustable and fixed ●Output Current of 1A regulators are designed to provide 1A with high ●Low Dropout, 1.4V max at 1A Output Current efficiency. All internal circuitry is designed to ●Good Noise Rejection operate down to 1.4V input to output differential. ●Output Current Limiting ●Built-in Thermal Shutdown The product is specifically designed to provide wellregulated supply for low-voltage IC application such ●Fast Transient Response as high-speed bus termination and low current 3.3V ●Can operate using MLCCs in the capacitance range logic supply, and other applications such as VGA cards. of 2μF to 10μF Applications ● High Efficiency Linear Regulators ● Post Regulators for Switching Supplies ● Adjustable Power Supply Typical Application Data Fixed Voltage Regulator VIN>4.75V 3 + C1 C101μF 10μF, T an. IN T AB GND 1 Not es: 1)C1 needed if device is far from filter capacitors 2)C2 minimum value requir ed for stability Adjustable Voltage Regulator OUT 2 VOUT=3.3V + C2 1100μFF, T an. Min VIN>4.75V 3 IN + CC11 1100μμFF, T an. T AB ADJ 1 OUT 2 VOUT =VREF×(1+R2/R1)+IADJ×R2 Not es: 1)C1 needed if device is far from filter capacitors 2)C2 minimum value requir ed for stability LM1117E3 series VOUT=3.45V R1 133...