LM78XX

LM78XX LINEAR INTEGRATED CIRCUIT 3-TERMINAL 1A POSITIVE VOLTAGE REGULATOR The Contek 78XX family is monolithic fixed voltage regulator integrated circuit. They are suitable for applications that required supply current up to 1 A. DESCRIPTION FEATURES 1 *Output current up to 1.5 A *Fixed output voltage of 5V, 6V, 8V, 9V, 10V, 12V, 15V ,18V and 24V available *Thermal overload shutdown protection *Short circuit current limiting *Output transistor SOA protection 1:Input 2:GND 3:Output TO-220 TEST CIRCUIT INPUT 1 R13 T10 R17 T8 R9 T9 Z2 T12 R19 R18 R11 T14 R12 R10 R14 T11 T13 T5 T6 OUTPUT 3 R8 R5 R15 Z1 T15 T4 R4 R6 T7 T3 T1 T2 R16 R1 R2 C1 R7 R3 GND Contek 2 Contek Microelectronics Co.,Ltd. CONTEK http://www.contek-ic.com E-mail:sales@contek-ic.com 1 LM78XX PARAMETER Input voltage(for Vo=5~18V) (for Vo=24V) Output Current LINEAR INTEGRATED CIRCUIT SYMBOL VI Io PD TOPR TSTG Internally -20 -55 ABSOLUTE MAXIMUM RATINGS ( Operating temperature range applies unless otherwise specified ) RATING 35 40 1 Limited +150 +150 UNIT V V A W C C Power Dissipation Operating Junction Temperature Range Storage Temperature Range Contek LM7805 ELECTRICAL CHARACTERISTICS PARAMETER Output Voltage Load Regulation Line regulation Quiescent Current Quiescent Current Change Output Noise Voltage Temperature coefficient of Vo Ripple Rejection Peak Output Current Short-Circuit Current Dropout Voltage ( VI=10V, Io=0.5A, Tj= 0 C - 125 C, C1=0.33uF, Co=0.1uF, unless otherwise specified )(Note 1) SYMBOL Vo DVo DVo Iq DIq DIq VN DVo/ DT RR IPK ISC Vd TEST CONDITIONS Tj=25 C, IO=5mA - 1.0A VI =7.5V to 20V, IO=5mA - 1.0A,PD