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| 79LXX Description This series of fixed-voltage monolithic integrated-circuit voltage regulators is designed for a wide range of applications. These applications include on-card regulation for elimination of noise and distribution problems associated with single-point regulation. In addition, they can be used with power-pass elements to make high-current voltage regulators. Each of these regulators can deliver up to 100 mA of output current. The internal limiting and termal shutdown features of these regulators make them essentially immune to overload. When used as a replacement for a Zener diode-resistor combination, an effective improvement in output impedance can be obtained together w ith lower-bias current. Features *3-Terminal Regulators *Output Current Up to 100 mA *No External Components *Internal Thermal Overload Protection *Internal Short-Circuit Limiting Package TO-92 (top view) Internal Block Digram Package OC I GND R1 Voltage reference R2 OUTPUT Protection circuitry RSC Contek INPUT BEIJING ESTEK ELECTRONICS CO.,LTD 1 79LXX Absolute Maximum Ratings over operating temperature range (unless otherwise noted) Parameter Input voltage Operating free-air, case, or virtual junction temperature range Storage temperature range Lead temperature 1.6 mm (1/16 inch) from case for 10 seconds 79L05A thru 79L08A -30 0 to 150 -65 to 150 260 79L12A THRU 79L18A -35 0 to 150 -65 to 150 260 79L24A -40 0 to 150 -65 to 150 260 Units V C Recommended Operating Conditions Parameter 79L05A 79L06A 79L08A 79L12A 79L15A 79L18A 79L24A Min -7 -8 -10.5 -14.5 -17.5 -20.5 -27 0 Max -20 -20 -23 -27 -30 -33 -38 100 125 Units Input voltage VI V Output current, IO Operating virtual junction temperature, TJ mA C Device Selection Guide Output Voltage -5 V -6 V -8 V -12 V -15 V -18 V -24 V Device 79L05A 79L06A 79L08A 79L12A 79L15A 79L18A 79L24A Electrical Characteristics 79L05A Electrical characteristics at specified virtual junction temperature, V I= -10V,IO = 40mA (unless otherwise noted) Parameter Output voltage** IO= 1mA to 40 mA, VI= -7V to -20V IO= 1mA to 70mA, VI= -7V to -20V VI= -8V to -20V VI= -8V to -18V, f= 120Hz IO= 1mA to 100mA IO= 1mA to 40mA f= 10Hz to 100 KHz Test conditions* 25 C 0to 125 C C 25 C 25 C 25 C 25 C 25 C 25 C 125 C Bias current change VI= -8V to -20V IO= 1mA to 40mA 0to 125 C C 41 Min -4.8 -4.75 -4.75 79L05A Typ -5 Units Max -5.2 -5.25 -5.25 150 100 60 30 V Input regulation Ripple rejection Output regulation Output noise voltage Dropout voltage Bias current 15 12 49 20 10 40 1.7 mV dB mV V V 6 5.5 1.5 0.1 mA BEIJING ESTEK ELECTRONICS CO.,LTD 2 79LXX Electrical Characteristics 79L06A Electrical characteristics at specified virtual junction temperature, V I= -11V,IO = 40mA (unless otherwise noted) Parameter Output voltage** IO= 1mA to 40 mA, VI= -8V to -20V IO= 1mA to 70mA, Input regulation Ripple rejection Output regulation Output noise voltage Dropout voltage Bias current VI= -8V to -20V VI= -9V to -20V VI= -9V to -19V, f= 120Hz IO= 1mA to 100mA IO= 1mA to 40mA f= 10Hz to 100 KHz Test conditions* 25 C 0to 125 C C 25 C 25 C 25 C 25 C 25 C 25 C 125 C Bias current change * VI= -9V to -20V IO= 1mA to 40mA 0to 125 C C 40 Min -5.75 -5.7 20 15 48 21 11 44 1.7 6 5.5 1.5 0.1 mA 80 40 79L06A Typ -6 Units Max -6.25 -6.3 175 125 V mV dB mV V V Pulse testing techniques are used to maintain the junction temperature as close to the ambient temperature as possible. Thermal effects must be taken into account separately. All characteristics are measured with a 0.33 capacitor across the input and a 0.1 F F capacitor across the output. ** This specification applies only for dc power dissipation permitted by absolute maximum ratings. Electrical Characteristics 79L08A Electrical characteristics at specified virtual junction temperature, VI= -14V,IO = 40mA (unless otherwise noted) Parameter Output voltage** IO= 1mA to 40 mA, VI= -10.5V to 23V Input regulation Ripple rejection Output regulation Output noise voltage Dropout voltage Bias current Bias current change VI= -11V to -23V IO= 1mA to 40mA IO= 1mA to 70mA, VI= -10,5V to - 23V VI= -11V to -23V VI= -11V to -21V, f= 120Hz IO= 1mA to 100mA IO= 1mA to 40mA f= 10Hz to 100 KHz Test conditions* 25 C 0to 125 C C 25 C 25 C 25 C 25 C 25 C 25 C 125 C 0to 125 C C 37 Min -7.7 -7.6 42 36 46 30 15 54 1.7 6 5.5 1.5 0.1 100 50 79L08A Typ -8 Units Max -8.3 -8.4 200 150 V mV dB mV V V mA BEIJING ESTEK ELECTRONICS CO.,LTD 3 79LXX Electrical Characteristics 79L12A Electrical characteristics at specified virtual junction temperature, V I= -19V,IO = 40mA (unless otherwise noted) Parameter Output voltage** IO= 1mA to 40mA, VI= -14.5V to 27V IO= 1mA to 70mA Input regulation Ripple rejection Output regulation Output noise voltage VI= -14.5V to -27V VI= -16V to -27V VI= -15V to -25V, f= 120Hz IO= 1mA to 100mA IO= 1mA to 40mA f= 10Hz to 100 KHz Dropout voltage V V Bias current 6.5 VI= -16V to -27V IO= 1mA to 40mA Test conditions* 25 C 0to 125 C C Min -11.5 -11.4 -11.4 25 C 0to 125 C C 25 C 25 C 25 C 25 C 125 C 0to 125 C C 37 50 40 42 24 15 100 50 80 1.7 79L12A Typ -12 Units Max -12.5 -12.6 -12.6 250 200 dB mV V mV Bias current change * 6 1.5 0.1 mA Pulse testing techniques are used to maintain the junction temperature as close to the ambient temperature as possible. Thermal effects must be taken into account separately. All characteristics are measured with a 0.33 capacitor across the input and a 0.1 F F capacitor across the output. ** This specification applies only for dc power dissipation permitted by absolute maximum ratings. Electrical Characteristics 79L15A Electrical characteristics at specified virtual junction temperature, V I= -23V,IO = 40mA (unless otherwise noted) Parameter Output voltage** IO= 1mA to 40mA, VI= -17.5V to -30V IO= 1mA to 70mA VI= -17.5V to -30V VI= -20V to -30V VI= -18.5V to -28.5V, f= 120Hz IO= 1mA to 100mA IO= 1mA to 40mA f= 10Hz to 100 KHz Test conditions* 25 C 0to 125 C C 25 C 0to 125 C C 25 C 25 C 25 C 25 C 125 C Bias current change VI= -20V to -30V IO= 1mA to 40mA 0to 125 C C 34 Min -14.4 -14.25 -14.25 79L15A Typ -15 Units Max -15.6 -15.75 -15.75 300 250 150 75 V Input regulation Ripple rejection Output regulation Output noise voltage Dropout voltage Bias current 65 50 39 25 15 90 1.7 mV dB mV V V 6.5 6 1.5 0.1 mA BEIJING ESTEK ELECTRONICS CO.,LTD 4 79LXX Electrical Characteristics 79L18A Electrical characteristics at specified virtual junction temperature, V I= -26V,IO = 40mA (unless otherwise noted) Parameter Output voltage** IO= 1mA to 40mA, VI= -20.5V to -33V IO= 1mA to 70mA VI= -20.5V to -33V VI= -21V to -33V VI= -23V to -33V, f= 120Hz IO= 1mA to 100mA IO= 1mA to 40mA f= 10Hz to 100 KHz Test conditions* 25 C 0to 125 C C Min -17.3 -17.1 -17.1 25 C 0to 125 C C 25 C 25 C 25 C 25 C 125 C Bias current change * VI= -21V to -33V IO= 1mA to 40mA 0to 125 C C 33 70 60 48 27 19 150 1.7 6.5 6 1.5 0.1 170 85 79L18A Typ -18 Units Max -18.7 -18.9 -18.9 325 275 dB mV V V mA mV V Input regulation Ripple rejection Output regulation Output noise voltage Dropout voltage Bias current Pulse testing techniques are used to maintain the junction temperature as close to the ambient temperature as possible. Thermal effects must be taken into account separately. All characteristics are measured with a 0.33 capacitor across the input and a 0.1 F F capacitor across the output. ** This specification applies only for dc power dissipation permitted by absolute maximum ratings. Electrical Characteristics 79L24A Electrical characteristics at specified virtual junction temperature, V I= -33V,IO = 40mA (unless otherwise noted) Parameter Output voltage** IO= 1mA to 40mA, VI= -27V to -38V IO= 1mA to 70mA VI= -27V to -38V VI= -28V to -38V VI= -29V to -35V, f= 120Hz IO= 1mA to 100mA IO= 1mA to 40mA f= 10Hz to 100 KHz Test conditions* 25 C 0to 125 C C 25 C 0to 125 C C 25 C 25 C 25 C 25 C 125 C Bias current change VI= -28V to -38V IO= 1mA to 40mA 0to 125 C C 31 Min -23 -22.8 -22.8 79L24A Typ -24 Units Max -25 -25.2 -25.2 350 300 200 100 V Input regulation Ripple rejection Output regulation Output noise voltage Dropout voltage Bias current 90 75 47 40 25 200 1.7 mV dB mV V V 6.5 6 1.5 0.1 mA * Pulse testing techniques are used to maintain the junction temperature as close to the ambient temperature as possible. Thermal effects must be taken into account separatel y. All characteristics are measured with a 0.33 capacitor across the input an d a 0.1 F F capacitor across the output. ** This specification applies only for dc power dissipation permitted by absolute maximum ratings. BEIJING ESTEK ELECTRONICS CO.,LTD 5 79LXX Ordering Information O RDERING NU MB ER 79LXX P ACK AGE TO - 92 M AR KING ET79LXX Address : Postalcode:100039 Tel: 86-010-58895780 / 81 / 82 / 83 / 84 Http://www.estek.com.cn Email:sales@estek.com.cn 6A06--6A07 Rm 6A07,Changyin Office Building ,No.88,Yong Ding Road,Hai Dian District ,Beijing Fax : 010-58895793 REV No:01-060806 BEIJING ESTEK ELECTRONICS CO.,LTD 7 |
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