7909

INCHANGE Semiconductor isc Three Terminal Negative Voltage Regulator 7909 FEATURES ·Output current in excess of 1.0A ·Output voltage of -9V ·Internal thermal overload protection ·Output transition Safe-Area compensation ·Minimum Lot-to-Lot variations for robust device performance and reliable operation ABSOLUTE MAXIMUM RATINGS(Ta=25℃) SYMBOL PARAMETER RATING UNIT Vi DC input voltage -35 V Io Output current internally limited Ptot Power dissipation internally limited TOP Operating junction temperature 0~125 ℃ Tstg Storage temperature -55~150 ℃ THERMAL CHARACTERISTICS SYMBOL PARAMETER MAX UNIT Rth j-c Thermal Resistance, Junction to Case 5 ℃/W Rth j-a Thermal Resistance,Junction to Ambient 65 ℃/W isc website：www.iscsemi.com 1 isc & iscsemi is registered trademark INCHANGE Semiconductor isc Three Terminal Negative Voltage Regulator 7909 ·ELECTRICAL CHARACTERISTICS Tj=25℃ (Vi= -15V, IO=0.5A, Ci= 2.2μF, CO= 1μF unless otherwise specified) SYMBO L PARAMETER CONDITIONS MIN TYP MAX VO Output Voltage VO Output Voltage △VV Line Regulation △Vi Load Regulation Id Quiescent Current Vin=-9V; IO=0.5A -8.7 -9.3 Vin=-1.5 to-23V; IO=5mA to1A; Po≤15W -8.6 -12 -9.4 -11.5V≤Vin≤-26V; IO=0.5A 180 -12V≤Vin≤-18V ; IO=0.5A 90 5.0mA≤IO≤1.5A; 180 250mA≤IO≤750mA; 90 Vin=-15V; IO=0.5A 6 △d1 Quiescent Change Current 5.0mA≤IO≤1.0A; Vin=-15V 0.5 △d2 Quiescent Change Current -11.5V≤Vin≤-26V; IO=0.5A 1 UNIT V V mV mV mA mA mA NOTI...