TIGER ELECTRONIC CO.,LTD Product specification LM7805 3-Terminal 1A Positive Voltage Regulator GENERAL DESCRIPTION The LM7805 series of three terminal positive regulators are available in the TO-220 package and with several fixed output voltages, making them useful in a wide range of applications. Each type employs internal current limiting, thermal shut down and safe operating area protection, making it essentially indestructible. If adequate heat sinking is provided, they can deliver over 1A output current. Although designed primarily as fixed voltage regulators, these devices can be used with external components to obtain adjustable voltages and currents. O ABSOLUTE MAXIMUM RATINGS ( Ta = 25 C) Parameter Symbol Typ Unit Input Voltage VI 35 V Output Voltage VO 5.0 V Peak Current IPK 2.2 A Operating Temperature Range TOPR 0~125 o Storage Temperature Range TSTG -65~150 o C C TO-220 O ELECTRICAL CHARACTERISTICS ( Ta = 25 C) (Refer to test circuit, Io = 500mA, Vi = 10V, Ci= 0.33uF, Co=0.1uF unless otherwise specified) Parameter Output Voltage Line Regulation (Note1) Load Regulation (Note1) Quiescent Current Symbol VO Regline Regload IQ Test Conditions Min Typ Max Unit 4.85 5.0 5.15 V VO = 8V to 25V 4.0 100 VI = 8V to 12V 1.6 50 IO = 5.0mA to1.5A 9 100 IO =250mA to 750mA 4 50 TJ =+25 oC 5 8 VI = 8V to 20V Ripple Rejection RR f = 120Hz, VO = 8V to 18V Dropout Voltage VDrop IO = 1A, TJ =+25 oC mV 62 mV mA 73 dB 2 V 0.015 Ω Output Resistance rO f = 1KHz Short Circuit Current ISC VI = 35V, TA =+25 oC 230 mA Peak Current IPK TJ =+25 oC 2.2 A