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| TECHNICAL DATA POSITIVE VOLTAGE REGULATOR 3- TERMINAL 1A POSITIVE VOLTAGE REGULATORS The IL78xx series of three-terminal positive regulators are available in the TO-220, TO-252, TO-263 package and with several fixed output voltage, marking them useful in a wide range of applications. These applications include on-card regulation for elimination of noise and distribution problems associated with single point regulation with single point regulation. In addition, they can be used with power pass elements to make high current voltage regulators. If adequate heat sinking is provided, each of these regulator can deliver over 1A of output current. Although designed primarily as fixed voltage regulators, these devices can be used with external components to obtain adjustable voltage and currents. IL78xx FEATURES * * * * * * Output current up to 1A No external components required Internal short circuit current limiting Intermal thermal overload protection Output transistor safe-area compensation Output voltage offered in 4% tolerance ABSOLUTE MAXIMUM RATINGS Characteristics IL7805 ~ IL7818 Input Voltage IL7824 Junction temperature Power Dissipation (Tc=25 C) Power Dissipation (Without Heatsink) Operating temperature Storage temperature VI Tj PD PD Topr Tstg 40 +150 20 1.2 -40 ~ +125 -60 ~ +150 C W W C C Symbol VI Value 35 V Unit Rev. 02 IL78XX IL78xx Rev. 02 IL78XX IL7805 ELECTRICAL CHARACTERISTICS (Refer to test circuit, Tmin Min. 4.8 Typ. 5.0 Max. 5.2 Unit 4.75 5.0 5.25 V Line Regulation Vo 4.0 1.6 9 4 5 0.03 0.3 100 50 100 50 8 0.5 1.3 mA mA mV Load Regulation Quiescent current Vo Iq Io = 5mA f = 10Hz to 100KHz, Ta = 25 C f = 120Hz, VI = 8V to 18V Io = 1A, Tj = 25 C Tj = 25 C f = 1KHz Vi = 35V, Ta = 25 C 62 -0.8 42 73 2 2.2 15 230 mV/ C dB V A Vn RR Vd Ipk Ro Isc mA * Load and lone regulation are specified at constant junction temperature. Changes in Vo due to heating effects must be taken into account separately. Pulse testing with low duty is used. Rev. 02 IL78XX IL7806 ELECTRICAL CHARACTERISTICS (Refer to test circuit, Tmin 6.0 6.3 Line Regulation Vo 5 1.5 9 3 5 120 60 120 60 8 0.5 1.3 mA mA mV Load Regulation Quiescent current Vo Iq * Load and lone regulation are specified at constant junction temperature. Changes in Vo due to heating effects must be taken into account separately. Pulse testing with low duty is used. Rev. 02 IL78XX IL7808 ELECTRICAL CHARACTERISTICS (Refer to test circuit, Tmin 8.0 8.4 Line Regulation Vo 5.0 2.0 10 5 5 0.05 0.5 160 80 160 80 8 0.5 1.0 mA mA mV Load Regulation Quiescent current Vo Iq * Load and lone regulation are specified at constant junction temperature. Changes in Vo due to heating effects must be taken into account separately. Pulse testing with low duty is used. Rev. 02 IL78XX IL7809 ELECTRICAL CHARACTERISTICS (Refer to test circuit, Tmin 9.0 9.4 Line Regulation Vo 6.0 2 12 4 5.0 180 90 180 90 8 0.5 1.3 mA mA mV Load Regulation Quiescent current Vo Iq * Load and lone regulation are specified at constant junction temperature. Changes in Vo due to heating effects must be taken into account separately. Pulse testing with low duty is used. Rev. 02 IL78XX IL7810 ELECTRICAL CHARACTERISTICS (Refer to test circuit, Tmin 10.0 10.5 Line Regulation Vo 10 3 12 4 5.1 200 100 200 400 8 0.5 1 mA mA mV Load Regulation Quiescent current Vo Iq * Load and lone regulation are specified at constant junction temperature. Changes in Vo due to heating effects must be taken into account separately. Pulse testing with low duty is used. Rev. 02 IL78XX IL7812 ELECTRICAL CHARACTERISTICS (Refer to test circuit, Tmin 12 12.6 Line Regulation Vo 10 3 11 5 5.1 0.1 0.5 240 120 240 120 8 0.5 1.0 mA mA mV Load Regulation Quiescent current Vo Iq * Load and lone regulation are specified at constant junction temperature. Changes in Vo due to heating effects must be taken into account separately. Pulse testing with low duty is used. Rev. 02 IL78XX IL7815 ELECTRICAL CHARACTERISTICS (Refer to test circuit, Tmin 15 15.75 Line Regulation Vo 11 3 12 4 5.2 300 150 300 150 8 0.5 1.0 mA mA mV Load Regulation Quiescent current Vo Iq * Load and lone regulation are specified at constant junction temperature. Changes in Vo due to heating effects must be taken into account separately. Pulse testing with low duty is used. Rev. 02 IL78XX IL7818 ELECTRICAL CHARACTERISTICS (Refer to test circuit, Tmin 18 18.9 Line Regulation Vo 15 5 15 5 5.2 360 180 360 180 8 0.5 1.0 mA mA mV Load Regulation Quiescent current Vo Iq * Load and lone regulation are specified at constant junction temperature. Changes in Vo due to heating effects must be taken into account separately. Pulse testing with low duty is used. Rev. 02 IL78XX IL7824 ELECTRICAL CHARACTERISTICS (Refer to test circuit, Tmin 24 25.25 Line Regulation Vo 17 6 15 5 5.2 0.1 0.5 480 240 480 240 8 0.5 1.0 mA mA mV Load Regulation Quiescent current Vo Iq * Load and lone regulation are specified at constant junction temperature. Changes in Vo due to heating effects must be taken into account separately. Pulse testing with low duty is used. Rev. 02 IL78XX TYPICAL PERFORMANCE CHARACTERISTICS Quiescent Current Quiescent Current Output Voltage Peak Output Current Rev. 02 IL78XX Drop Output Voltage Output Voltage Change vs. Junction Temperature Power Dissipation Otput Voltage as a Function of Input Voltage Over Temperature Protection Over Voltage Protection Rev. 02 IL78XX TYPICAL APPLICATIONS DC Parameters Load Regulation Ripple Rejection Rev. 02 IL78XX Fixed Output Regulator Notes: 1. To specify an output voltage, substitute voltage value for "XX." A common ground is required between the input and the output voltage. The input voltage must remain typically 2.0V above the output voltage even during the low point on the input ripple voltage. 2. CI is required if regulator is located an appreciable distance from power supply filter. 3. CO improves stability and transient response. Circuit for Increasing Output Voltage Rev. 02 IL78XX Adjustable Output Regulator (7V to 30V) High Current Voltage Regulator High Output Current with Short Circuit Protection Rev. 02 IL78XX Tracking Voltage Regulator Split Power Supply (15V - 1A) Rev. 02 IL78XX Negative Output Voltage Circuit Switching Regulator Rev. 02 IL78XX Rev. 02 IL78XX Rev. 02 IL78XX Rev. 02 |
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