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| L78LxxAB L78LxxAC - L78LxxC Positive voltage regulators Features Output current up to 100 mA Output voltages of 3.3; 5; 6; 8; 9; 10; 12; 15; 18; 24 V Thermal overload protection Short circuit protection No external components are required Available in either 5% (AC) or 10% (C) selection SO-8 SOT-89 TO-92 Description The L78Lxx series of three-terminal positive regulators employ internal current limiting and thermal shutdown, making them essentially indestructible. If adequate heat-sink is provided, they can deliver up to 100 mA output current. They are intended as fixed voltage regulators in a wide range of applications including local or oncard 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. The L78Lxx series used as Zener diode/resistor combination replacement, offers an effective output impedance improvement of typically two orders of magnitude, along with lower quiescent current and lower noise. Table 1. Device summary Part numbers L78L33C L78L33AC L78L33AB L78L05C L78L05AC L78L05AB L78L06AC L78L06AB L78L08C L78L08AC L78L08AB L78L09C L78L09AC L78L09AB L78L10AC L78L12C L78L12AC L78L12AB Rev 16 1/29 www.st.com 29 L78L15C L78L15AC L78L15AB L78L18C L78L18AC L78L24C L78L24AC L78L24AB August 2008 Contents L78LxxAB - L78LxxAC - L78LxxC Contents 1 2 3 4 5 6 7 8 9 Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 Pin configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 Maximum ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 Electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 Typical performance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16 Typical application . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18 Package mechanical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20 Order codes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27 Revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28 2/29 L78LxxAB - L78LxxAC - L78LxxC Diagram 1 Figure 1. Diagram Schematic diagram 3/29 Pin configuration L78LxxAB - L78LxxAC - L78LxxC 2 Figure 2. Pin configuration Pin connection (top view, bottom view for TO-92) PIN 1 = VOUT PIN 2 = GND PIN 3 = VIN SO-8 SOT-89 TO-92 Figure 3. Test circuits 4/29 L78LxxAB - L78LxxAC - L78LxxC Maximum ratings 3 Table 2. Symbol Maximum ratings Absolute maximum ratings Parameter VO= 3.3 to 9 V VI DC Input voltage VO= 12 to 15 V VO= 18 to 24 V IO PD TSTG TOP Output current Power dissipation Storage temperature range for L78L00AC Operating junction temperature range for L78L00AB -40 to 125 Value 30 35 40 100 Internally limited -65 to 150 0 to 150 C (1) Unit V mA mW C 1. Our SO-8 package used for voltage regulators is modified internally to have pins 2, 3, 6 and 7 electrically communed to the die attach flag. This particular frame decreases the total thermal resistance of the package and increases its ability to dissipate power when an appropriate area of copper on the printed circuit board is available for heat-sinking. The external dimensions are the same as for the standard SO-8. Table 3. Symbol RthJC RthJA 1. Thermal data Parameter Thermal resistance junction-case. (Max) Thermal resistance junction-ambient. (Max) SO-8 20 55 (1) 200 TO-92 SOT-89 15 Unit C/W C/W Considering 6 cm2 of copper Board heat-sink. 5/29 Electrical characteristics L78LxxAB - L78LxxAC - L78LxxC 4 Table 4. Symbol VO VO VO VO Electrical characteristics Electrical characteristics of L78L33C (refer to the test circuits, TJ = 0 to 125C, VI = 8.3 V, IO = 40 mA, CI = 0.33 F, CO = 0.1 F unless otherwise specified) Parameter Output voltage Output voltage TJ = 25C IO = 1 to 40 mA, VI = 5.3 to 20 V IO = 1 to 70 mA, VI = 8.3 V Line regulation VI = 5.3 to 20 V, TJ = 25C VI = 6.3 to 20 V, TJ = 25C Load regulation IO = 1 to 100 mA, TJ = 25C IO = 1 to 40 mA, TJ = 25C Quiescent current TJ = 25C TJ = 125C Quiescent current change Output noise voltage Supply voltage rejection Dropout voltage IO = 1 to 40 mA VI = 6.3 to 20 V B =10 Hz to 100 kHz, TJ = 25C VI = 6.3 to 16.3 V, f = 120 Hz IO = 40 mA, TJ = 25C 41 40 49 1.7 Test conditions Min. 3.036 2.97 2.97 Typ. 3.3 Max. 3.564 3.63 V 3.63 150 mV 100 60 mV 30 6 5.5 0.2 mA 1.5 V dB V mA mA Unit V Id Id eN SVR Vd 6/29 L78LxxAB - L78LxxAC - L78LxxC Table 5. Symbol VO VO VO VO Electrical characteristics Electrical characteristics of L78L05C (refer to the test circuits, TJ = 0 to 125C, VI = 10 V, IO = 40 mA, CI = 0.33 F, CO = 0.1 F unless otherwise specified) Parameter Output voltage Output voltage TJ = 25C IO = 1 to 40 mA, VI = 7 to 20 V IO = 1 to 70 mA, VI = 10 V Line regulation VI = 8.5 to 20 V, TJ = 25C VI = 9 to 20 V, TJ = 25C Load regulation IO = 1 to 100 mA, TJ = 25C IO = 1 to 40 mA, TJ = 25C Quiescent current TJ = 25C TJ = 125C Quiescent current change Output noise voltage Supply voltage rejection Dropout voltage IO = 1 to 40 mA VI = 8 to 20 V B =10 Hz to 100 kHz, TJ = 25C VI = 9 to 20 V, f = 120 Hz IO = 40 mA, TJ = 25C 40 40 49 1.7 Test conditions Min. 4.6 4.5 4.5 Typ. 5 Max. 5.4 5.5 V 5.5 200 mV 150 60 mV 30 6 5.5 0.2 mA 1.5 V dB V mA mA Unit V Id Id eN SVR Vd Table 6. Symbol VO VO VO VO Electrical characteristics of L78L08C (refer to the test circuits, TJ = 0 to 125C, VI = 14 V, IO = 40 mA, CI = 0.33 F, CO = 0.1 F unless otherwise specified) Parameter Output voltage Output voltage TJ = 25C IO = 1 to 40 mA, VI = 8.5 to 20 V IO = 1 to 70 mA, VI = 12 V Line regulation VI = 8.5 to 20 V, TJ = 25C VI = 9 to 20 V, TJ = 25C Load regulation IO = 1 to 100 mA, TJ = 25C IO = 1 to 40 mA, TJ = 25C Quiescent current TJ = 25C TJ = 125C Quiescent current change Output noise voltage Supply voltage rejection Dropout voltage IO = 1 to 40 mA VI = 8 to 20 V B =10 Hz to 100 kHz, TJ = 25C VI = 9 to 20 V, f = 120 Hz IO = 40 mA, TJ = 25C 36 60 45 1.7 Test conditions Min. 7.36 7.2 7.2 Typ. 8 Max. 8.64 8.8 V 8.8 200 mV 150 80 mV 40 6 5.5 0.2 mA 1.5 V dB V mA mA Unit V Id Id eN SVR Vd 7/29 Electrical characteristics L78LxxAB - L78LxxAC - L78LxxC Table 7. Symbol VO VO VO VO Electrical characteristics of L78L09C (refer to the test circuits, TJ = 0 to 125C, VI = 15 V, IO = 40 mA, CI = 0.33 F, CO = 0.1 F unless otherwise specified) Parameter Output voltage Output voltage TJ = 25C IO = 1 to 40 mA, VI = 11.5 to 23 V IO = 1 to 70 mA, VI = 15 V Line regulation VI = 11.5 to 23 V, TJ = 25C VI = 12 to 23 V, TJ = 25C Load regulation IO = 1 to 100 mA, TJ = 25C IO = 1 to 40 mA, TJ = 25C Quiescent current TJ = 25C TJ = 125C Quiescent current change Output noise voltage Supply voltage rejection Dropout voltage IO = 1 to 40 mA VI = 12 to 23 V B =10 Hz to 100 kHz, TJ = 25C VI = 12 to 23 V, f = 120 Hz IO = 40 mA, TJ = 25C 36 70 44 1.7 Test conditions Min. 8.28 8.1 8.1 Typ. 9 Max. 9.72 9.9 V 9.9 250 mV 200 80 mV 40 6 5.5 0.2 mA 1.5 V dB V mA mA Unit V Id Id eN SVR Vd Table 8. Symbol VO VO VO VO Electrical characteristics of L78L10C (refer to the test circuits, TJ = 0 to 125C, VI = 16 V, IO = 40 mA, CI = 0.33 F, CO = 0.1 F unless otherwise specified) Parameter Output voltage Output voltage TJ = 25C IO = 1 to 40 mA, VI = 12.5 to 23 V IO = 1 to 70 mA, VI = 16 V Line regulation VI = 12.5 to 23 V, TJ = 25C VI = 13 to 23 V, TJ = 25C Load regulation IO = 1 to 100 mA, TJ = 25C IO = 1 to 40 mA, TJ = 25C Quiescent current TJ = 25C TJ = 125C Quiescent current change Output noise voltage Supply voltage rejection Dropout voltage IO = 1 to 40 mA VI = 13 to 23 V B =10Hz to 100kHz, TJ = 25C VI = 14 to 23 V, f = 120Hz IO = 40 mA, TJ = 25C 37 60 45 1.7 Test conditions Min. 9.2 9 9 Typ. 10 Max. 10.8 11 V 11 230 mV 170 80 mV 40 6 5.5 0.1 mA 1.5 V dB V mA mA Unit V Id Id eN SVR Vd 8/29 L78LxxAB - L78LxxAC - L78LxxC Electrical characteristics Table 9. Symbol VO VO VO VO Electrical characteristics of L78L12C (refer to the test circuits, TJ = 0 to 125C, VI = 19 V, IO = 40 mA, CI = 0.33 F, CO = 0.1 F unless otherwise specified) Parameter Output voltage Output voltage TJ = 25C IO = 1 to 40 mA, VI = 14.5 to 27 V IO = 1 to 70 mA, VI = 19 V Line regulation VI = 14.5 to 27 V, TJ = 25C VI = 16 to 27 V, TJ = 25C Load regulation IO = 1 to 100 mA, TJ = 25C IO = 1 to 40 mA, TJ = 25C Quiescent current TJ = 25C TJ = 125C Quiescent current change Output noise voltage Supply voltage rejection Dropout voltage IO = 1 to 40 mA VI = 16 to 27 V B =10 Hz to 100 kHz, TJ = 25C VI = 15 to 25 V, f = 120 Hz IO = 40 mA, TJ = 25C 36 80 42 1.7 Test conditions Min. 11.1 10.8 10.8 Typ. 12 Max. 12.9 13.2 V 13.2 250 mV 200 100 mV 50 6.5 6 0.2 mA 1.5 V dB V mA mA Unit V Id Id eN SVR Vd Table 10. Symbol VO VO VO VO Electrical characteristics of L78L15C (refer to the test circuits, TJ = 0 to 125C, VI = 23 V, IO = 40 mA, CI = 0.33 F, CO = 0.1 F unless otherwise specified) Parameter Output voltage Output voltage TJ = 25C IO = 1 to 40 mA, VI = 17.5 to 30 V IO = 1 to 70 mA, VI = 23 V Line regulation VI = 17.5 to 30 V, TJ = 25C VI = 20 to 30 V, TJ = 25C Load regulation IO = 1 to 100 mA, TJ = 25C IO = 1 to 40 mA, TJ = 25C Quiescent current TJ = 25C TJ = 125C Quiescent current change Output noise voltage Supply voltage rejection Dropout voltage IO = 1 to 40 mA VI = 20 to 30 V B =10 Hz to 100 kHz, TJ = 25C VI = 18.5 to 28.5 V, f = 120 Hz IO = 40 mA, TJ = 25C 33 90 39 1.7 Test conditions Min. 13.8 13.5 13.5 Typ. 15 Max. 16.2 16.5 V 16.5 300 mV 250 150 mV 75 6.5 6 0.2 mA 1.5 V dB V mA mA Unit V Id Id eN SVR Vd 9/29 Electrical characteristics L78LxxAB - L78LxxAC - L78LxxC Table 11. Symbol VO VO VO VO Electrical characteristics of L78L18C (refer to the test circuits, TJ = 0 to 125C, VI = 27 V, IO = 40 mA, CI = 0.33 F, CO = 0.1 F unless otherwise specified) Parameter Output voltage Output voltage TJ = 25C IO = 1 to 40 mA, VI = 22 to 33 V IO = 1 to 70 mA, VI = 27 V Line regulation VI = 22 to 33 V, TJ = 25C VI = 22 to 33 V, TJ = 25C Load regulation IO = 1 to 100 mA, TJ = 25C IO = 1 to 40 mA, TJ = 25C Quiescent current TJ = 25C TJ = 125C Quiescent current change Output noise voltage Supply voltage rejection Dropout voltage IO = 1 to 40 mA VI = 23 to 33 V B =10 Hz to 100 kHz, TJ = 25C VI = 23 to 33 V, f = 120 Hz IO = 40 mA, TJ = 25C 32 120 38 1.7 Test conditions Min. 16.6 16.2 16.2 Typ. 18 Max. 19.4 19.8 V 19.8 320 mV 270 170 mV 85 6.5 6 0.2 mA 1.5 V dB V mA mA Unit V Id Id eN SVR Vd Table 12. Symbol VO VO VO VO Electrical characteristics of L78L24C (refer to the test circuits, TJ = 0 to 125C, VI = 33 V, IO = 40 mA, CI = 0.33 F, CO = 0.1 F unless otherwise specified) Parameter Output voltage Output voltage TJ = 25C IO = 1 to 40 mA, VI = 27 to 38 V IO = 1 to 70 mA, VI = 33 V Line regulation VI = 27 to 38 V, TJ = 25C VI = 28 to 38 V, TJ = 25C Load regulation IO = 1 to 100 mA, TJ = 25C IO = 1 to 40 mA, TJ = 25C Quiescent current TJ = 25C TJ = 125C Quiescent current change Output noise voltage Supply voltage rejection Dropout voltage IO = 1 to 40 mA VI = 28 to 38 V B =10 Hz to 100 kHz, TJ = 25C VI = 29 to 35 V, f = 120 Hz IO = 40 mA, TJ = 25C 30 200 37 1.7 Test conditions Min. 22.1 21.6 21.6 Typ. 24 Max. 25.9 26.4 V 26.4 350 mV 300 200 mV 100 6.5 6 0.2 mA 1.5 V dB V mA mA Unit V Id Id eN SVR Vd 10/29 L78LxxAB - L78LxxAC - L78LxxC Electrical characteristics Table 13. Electrical characteristics of L78L33AB and L78L33AC (refer to the test circuits, VI = 8.3 V, IO = 40 mA, CI = 0.33 F, CO = 0.1 F, TJ = 0 to 125C for L78L33AC, TJ = -40 to 125C for L78L33AB, unless otherwise specified) Parameter Output voltage Output voltage TJ = 25C IO = 1 to 40 mA, VI = 5.3 to 20 V IO = 1 to 70 mA, VI = 8.3 V Line regulation VI = 5.3 to 20 V, TJ = 25C VI = 6.3 to 20 V, TJ = 25C Load regulation IO = 1 to 100 mA, TJ = 25C IO = 1 to 40 mA, TJ = 25C Quiescent current TJ = 25C TJ = 125C Quiescent current change Output noise voltage Supply voltage rejection Dropout voltage IO = 1 to 40 mA VI = 6.3 to 20 V B =10 Hz to 100 kHz, TJ = 25C VI = 6.3 to 16.3 V, f = 120 Hz IO = 40 mA, TJ = 25C 41 40 49 1.7 Test conditions Min. 3.168 3.135 3.135 Typ. 3.3 Max. 3.432 3.465 V 3.465 150 mV 100 60 mV 30 6 5.5 0.1 mA 1.5 V dB V mA mA Unit V Symbol VO VO VO VO Id Id eN SVR Vd Table 14. Electrical characteristics of L78L05AB and L78L05AC (refer to the test circuits, VI = 10 V, IO = 40 mA, CI = 0.33 F, CO = 0.1 F, TJ = 0 to 125C for L78L05AC, TJ = -40 to 125C for L78L05AB, unless otherwise specified) Parameter Output voltage Output voltage TJ = 25C IO = 1 to 40 mA, VI = 7 to 20 V IO = 1 to 70 mA, VI = 10 V Line regulation VI = 7 to 20 V, TJ = 25C VI = 8 to 20 V, TJ = 25C Load regulation IO = 1 to 100 mA, TJ = 25C IO = 1 to 40 mA, TJ = 25C Quiescent current TJ = 25C TJ = 125C Quiescent current change Output noise voltage Supply voltage rejection Dropout voltage IO = 1 to 40 mA VI = 8 to 20 V B =10 Hz to 100 kHz, TJ = 25C VI = 8 to 18 V, f = 120 Hz IO = 40 mA, TJ = 25C 41 40 49 1.7 Test conditions Min. 4.8 4.75 4.75 Typ. 5 Max. 5.2 5.25 V 5.25 150 mV 100 60 mV 30 6 5.5 0.1 mA 1.5 V dB V 11/29 mA mA Unit V Symbol VO VO VO VO Id Id eN SVR Vd Electrical characteristics L78LxxAB - L78LxxAC - L78LxxC Table 15. Electrical characteristics of L78L06AB and L78L06AC (refer to the test circuits, VI = 12 V, IO = 40 mA, CI = 0.33 F, CO = 0.1 F, TJ = 0 to 125C for L78L06AC, TJ = -40 to 125C for L78L06AB, unless otherwise specified) Parameter Output voltage Output voltage TJ = 25C IO = 1 to 40 mA, VI = 8.5 to 20 V IO = 1 to 70 mA, VI = 12 V Line regulation VI = 8.5 to 20 V, TJ = 25C VI = 9 to 20 V, TJ = 25C Load regulation IO = 1 to 100 mA, TJ = 25C IO = 1 to 40 mA, TJ = 25C Quiescent current TJ = 25C TJ = 125C Quiescent current change Output noise voltage Supply voltage rejection Dropout voltage IO = 1 to 40 mA VI = 9 to 20 V B =10 Hz to 100 kHz, TJ = 25C VI = 9 to 20 V, f = 120 Hz IO = 40 mA, TJ = 25C 39 50 46 1.7 Test conditions Min. 5.76 5.7 5.7 Typ. 6 Max. 6.24 6.3 V 6.3 150 mV 100 60 mV 30 6 5.5 0.1 mA 1.5 V dB V mA mA Unit V Symbol VO VO VO VO Id Id eN SVR Vd Table 16. Electrical characteristics of L78L08AB and L78L08AC (refer to the test circuits, VI = 14 V, IO = 40 mA, CI = 0.33 F, CO = 0.1 F, TJ = 0 to 125C for L78L08AC, TJ = -40 to 125C for L78L08AB, unless otherwise specified) Parameter Output voltage Output voltage TJ = 25C IO = 1 to 40 mA, VI = 10.5 to 23 V IO = 1 to 70 mA, VI = 14 V Line regulation VI = 10.5 to 23 V, TJ = 25C VI = 11 to 23 V, TJ = 25C Load regulation IO = 1 to 100 mA, TJ = 25C IO = 1 to 40 mA, TJ = 25C Quiescent current TJ = 25C TJ = 125C Quiescent current change Output noise voltage Supply voltage rejection Dropout voltage IO = 1 to 40 mA VI = 11 to 23 V B =10 Hz to 100 kHz, TJ = 25C VI = 12 to 23 V, f = 120 Hz IO = 40 mA, TJ = 25C 37 60 45 1.7 Test conditions Min. 7.68 7.6 7.6 Typ. 8 Max. 8.32 8.4 V 8.4 175 mV 125 80 mV 40 6 5.5 0.1 mA 1.5 V dB V mA mA Unit V Symbol VO VO VO VO Id Id eN SVR Vd 12/29 L78LxxAB - L78LxxAC - L78LxxC Electrical characteristics Table 17. Electrical characteristics of L78L09AB and L78L09AC (refer to the test circuits, VI = 15 V, IO = 40 mA, CI = 0.33 F, CO = 0.1 F, TJ = 0 to 125C for L78L09AC, TJ = -40 to 125C for L78L09AB, unless otherwise specified) Parameter Output voltage Output voltage TJ = 25C IO = 1 to 40 mA, VI = 11.5 to 23 V IO = 1 to 70 mA, VI = 15 V Line regulation VI = 11.5 to 23 V, TJ = 25C VI = 12 to 23 V, TJ = 25C Load regulation IO = 1 to 100 mA, TJ = 25C IO = 1 to 40 mA, TJ = 25C Quiescent current TJ = 25C TJ = 125C Quiescent current change Output noise voltage Supply voltage rejection Dropout voltage IO = 1 to 40 mA VI = 12 to 23 V B =10 Hz to 100 kHz, TJ = 25C VI = 12 to 23 V, f = 120 Hz IO = 40 mA, TJ = 25C 37 70 44 1.7 Test conditions Min. 8.64 8.55 8.55 Typ. 9 Max. 9.36 9.45 V 9.45 225 mV 150 80 mV 40 6 5.5 0.1 mA 1.5 V dB V mA mA Unit V Symbol VO VO VO VO Id Id eN SVR Vd Table 18. Electrical characteristics of L78L10AC (refer to the test circuits, VI = 16 V, IO = 40 mA, CI = 0.33 F, CO = 0.1 F, TJ = 0 to 125C for L78L10AC, TJ = -40 to 125C for L78L10AB, unless otherwise specified) Parameter Output voltage Output voltage TJ = 25C IO = 1 to 40 mA, VI = 12.5 to 23 V IO = 1 to 70 mA, VI = 16 V Line regulation VI = 12.5 to 23 V, TJ = 25C VI = 13 to 23 V, TJ = 25C Load regulation IO = 1 to 100 mA, TJ = 25C IO = 1 to 40 mA, TJ = 25C Quiescent current TJ = 25C TJ = 125C Quiescent current change Output noise voltage Supply voltage rejection Dropout voltage IO = 1 to 40 mA VI = 13 to 23 V B =10 Hz to 100 kHz, TJ = 25C VI = 14 to 23 V, f = 120 Hz IO = 40 mA, TJ = 25C 37 60 45 1.7 Test conditions Min. 9.6 9.5 9.5 Typ. 10 Max. 10.4 10.5 V 10.5 230 mV 170 80 mV 40 6 5.5 0.1 mA 1.5 V dB V 13/29 mA mA Unit V Symbol VO VO VO VO Id Id eN SVR Vd Electrical characteristics L78LxxAB - L78LxxAC - L78LxxC Table 19. Electrical characteristics of L78L12AB and L78L12AC (refer to the test circuits, VI = 19 V, IO = 40 mA, CI = 0.33 F, CO = 0.1 F, TJ = 0 to 125C for L78L12AC, TJ = -40 to 125C for L78L12AB, unless otherwise specified) Parameter Output voltage Output voltage TJ = 25C IO = 1 to 40 mA, VI = 14.5 to 27 V IO = 1 to 70 mA, VI = 19 V Line regulation VI = 14.5 to 27 V, TJ = 25C VI = 16 to 27 V, TJ = 25C Load regulation IO = 1 to 100 mA, TJ = 25C IO = 1 to 40 mA, TJ = 25C Quiescent current TJ = 25C TJ = 125C Quiescent current change Output noise voltage Supply voltage rejection Dropout voltage IO = 1 to 40 mA VI = 16 to 27 V B =10 Hz to 100 kHz, TJ = 25C VI = 15 to 25 V, f = 120 Hz IO = 40 mA, TJ = 25C 37 80 42 1.7 Test conditions Min. 11.5 11.4 11.4 Typ. 12 Max. 12.5 12.6 V 12.6 250 mV 200 100 mV 50 6.5 6 0.1 mA 1.5 V dB V mA mA Unit V Symbol VO VO VO VO Id Id eN SVR Vd Table 20. Electrical characteristics of L78L15AB and L78L15AC (refer to the test circuits, VI = 23 V, IO = 40 mA, CI = 0.33 F, CO = 0.1 F, TJ = 0 to 125C for L78L15AC, TJ = -40 to 125C for L78L15AB, unless otherwise specified) Parameter Output voltage Output voltage TJ = 25C IO = 1 to 40 mA, VI = 17.5 to 30 V IO = 1 to 70 mA, VI = 23 V Line regulation VI = 17.5 to 30 V, TJ = 25C VI = 20 to 30 V, TJ = 25C Load regulation IO = 1 to 100 mA, TJ = 25C IO = 1 to 40 mA, TJ = 25C Quiescent current TJ = 25C TJ = 125C Quiescent current change Output noise voltage Supply voltage rejection Dropout voltage IO = 1 to 40 mA VI = 20 to 30 V B =10 Hz to 100 kHz, TJ = 25C VI = 18.5 to 28.5 V, f = 120 Hz IO = 40 mA, TJ = 25C 34 90 39 1.7 Test conditions Min. 14.4 14.25 14.25 Typ. 15 Max. 15.6 15.75 V 15.75 300 mV 250 150 mV 75 6.5 6 0.1 mA 1.5 V dB V mA mA Unit V Symbol VO VO VO VO Id Id eN SVR Vd 14/29 L78LxxAB - L78LxxAC - L78LxxC Electrical characteristics Table 21. Electrical characteristics of L78L18AC (refer to the test circuits, VI = 27 V, IO = 40 mA, CI = 0.33 F, CO = 0.1 F, TJ = 0 to 125C for L78L18AC, TJ = -40 to 125C for L78L18AB, unless otherwise specified) Parameter Output voltage Output voltage TJ = 25C IO = 1 to 40 mA, VI = 22 to 33 V IO = 1 to 70 mA, VI = 27 V Line regulation VI = 22 to 33 V, TJ = 25C VI = 22 to 33 V, TJ = 25C Load regulation IO = 1 to 100 mA, TJ = 25C IO = 1 to 40 mA, TJ = 25C Quiescent current TJ = 25C TJ = 125C Quiescent current change Output noise voltage Supply voltage rejection Dropout voltage IO = 1 to 40 mA VI = 23 to 33 V B =10 Hz to 100 kHz, TJ = 25C VI = 23 to 33 V, f = 120 Hz IO = 40 mA, TJ = 25C 33 120 38 1.7 Test conditions Min. 17.3 17.1 17.1 Typ. 18 Max. 18.7 18.9 V 18.9 320 mV 270 170 mV 85 6.5 6 0.1 mA 1.5 V dB V mA mA Unit V Symbol VO VO VO VO Id Id eN SVR Vd Table 22. Electrical characteristics of L78L24AB and L78L24AC (refer to the test circuits, VI = 33 V, IO = 40 mA, CI = 0.33 F, CO = 0.1 F, TJ = 0 to 125C for L78L24AC, TJ = -40 to 125C for L78L24AB, unless otherwise specified) Parameter Output voltage Output voltage TJ = 25C IO = 1 to 40 mA, VI = 27 to 38 V IO = 1 to 70 mA, VI = 33 V Line regulation VI = 27 to 38 V, TJ = 25C VI = 28 to 38 V, TJ = 25C Load regulation IO = 1 to 100 mA, TJ = 25C IO = 1 to 40 mA, TJ = 25C Quiescent current TJ = 25C TJ = 125C Quiescent current change Output noise voltage Supply voltage rejection Dropout voltage IO = 1 to 40 mA VI = 28 to 38 V B =10 Hz to 100 kHz, TJ = 25C VI = 29 to 33 V, f = 120 Hz IO = 40 mA, TJ = 25C 31 200 37 1.7 Test conditions Min. 23 22.8 22.8 Typ. 24 Max. 25 25.2 V 25.2 350 mV 300 200 mV 100 6.5 6 0.1 mA 1.5 V dB V 15/29 mA mA Unit V Symbol VO VO VO VO Id Id eN SVR Vd Typical performance L78LxxAB - L78LxxAC - L78LxxC 5 Figure 4. Typical performance L78L05/12 output voltage vs ambient temperature Figure 5. L78L05/12/24 load characteristics Figure 6. L78L05/12/24 thermal shutdown Figure 7. L78L05/12 quiescent current vs output current Figure 8. L78L05 quiescent current vs input voltage Figure 9. L78L05/12/24 output characteristics 16/29 L78LxxAB - L78LxxAC - L78LxxC Typical performance Figure 10. L78L05/12/24 ripple rejection Figure 11. L78L05 dropout characteristics Figure 12. L78Lxx short circuit output current 17/29 Typical application L78LxxAB - L78LxxAC - L78LxxC 6 Typical application Figure 13. High output current short circuit protected Figure 14. Edit boost circuit Figure 15. Current regulator 18/29 L78LxxAB - L78LxxAC - L78LxxC Figure 16. Adjustable output regulator Typical application 19/29 Package mechanical data L78LxxAB - L78LxxAC - L78LxxC 7 Package mechanical data In order to meet environmental requirements, ST offers these devices in ECOPACK(R) packages. These packages have a lead-free second level interconnect. The category of second Level Interconnect is marked on the package and on the inner box label, in compliance with JEDEC Standard JESD97. The maximum ratings related to soldering conditions are also marked on the inner box label. ECOPACK is an ST trademark. ECOPACK specifications are available at: www.st.com. 20/29 L78LxxAB - L78LxxAC - L78LxxC Package mechanical data SO-8 mechanical data Dim. A A1 A2 B C D E e H h L k ddd 0.1 5.80 0.25 0.40 mm. Min. 1.35 0.10 1.10 0.33 0.19 4.80 3.80 1.27 6.20 0.50 1.27 8 (max.) 0.04 0.228 0.010 0.016 Typ. Max. 1.75 0.25 1.65 0.51 0.25 5.00 4.00 Min. 0.053 0.04 0.043 0.013 0.007 0.189 0.150 0.050 0.244 0.020 0.050 inch. Typ. Max. 0.069 0.010 0.065 0.020 0.010 0.197 0.157 0016023/C 21/29 Package mechanical data L78LxxAB - L78LxxAC - L78LxxC SOT-89 mechanical data mm. Dim. Min. A B B1 C C1 D D1 E e e1 H L 1.4 0.44 0.36 0.35 0.35 4.4 1.62 2.29 1.42 2.92 3.94 0.89 Typ. Max. 1.6 0.56 0.48 0.44 0.44 4.6 1.83 2.6 1.57 3.07 4.25 1.2 Min. 55.1 17.3 14.2 13.8 13.8 173.2 63.8 90.2 55.9 115.0 155.1 35.0 Typ. Max. 63.0 22.0 18.9 17.3 17.3 181.1 72.0 102.4 61.8 120.9 167.3 47.2 mils. P025H 22/29 L78LxxAB - L78LxxAC - L78LxxC Package mechanical data TO-92 mechanical data mm. Dim. Min. A b D E e e1 L R S1 W 4.32 0.36 4.45 3.30 2.41 1.14 12.7 2.16 0.92 0.41 5 Typ. Max. 4.95 0.51 4.95 3.94 2.67 1.40 15.49 2.41 1.52 0.56 Min. 170.1 14.2 175.2 129.9 94.9 44.9 500.0 85.0 36.2 16.1 5 Typ. Max. 194.9 20.1 194.9 155.1 105.1 55.1 609.8 94.9 59.8 22.0 mils. 0102782/D 23/29 Package mechanical data L78LxxAB - L78LxxAC - L78LxxC Tape & reel SO-8 mechanical data mm. Dim. Min. A C D N T Ao Bo Ko Po P 8.1 5.5 2.1 3.9 7.9 12.8 20.2 60 22.4 8.5 5.9 2.3 4.1 8.1 0.319 0.216 0.082 0.153 0.311 Typ. Max. 330 13.2 0.504 0.795 2.362 0.882 0.335 0.232 0.090 0.161 0.319 Min. Typ. Max. 12.992 0.519 inch. 24/29 L78LxxAB - L78LxxAC - L78LxxC Package mechanical data Tape & reel SOT-89 mechanical data mm. Dim. Min. A C D N T Ao Bo Ko Po P 4.70 4.30 1.70 3.9 7.9 4.80 4.40 1.80 4.0 8.0 12.8 20.2 60 14.4 4.90 4.50 1.90 4.1 8.1 0.185 0.169 0.067 0.153 0.311 0.189 0.173 0.071 0.157 0.315 13.0 Typ. Max. 180 13.2 0.504 0.795 2.362 0.567 0.193 0.177 0.075 0.161 0.319 0.512 Min. Typ. Max. 7.086 0.519 inch. 25/29 Package mechanical data L78LxxAB - L78LxxAC - L78LxxC Tape & reel for TO-92 mechanical data Dim. A1 T T1 T2 d P0 P2 F1, F2 delta H W W0 W1 W2 H H0 H1 D0 t L1 delta P u 1 2 mm. Min. Typ. 4.80 3.80 1.60 2.30 0.48 12.5 5.65 2.44 17.5 5.7 8.5 12.9 7.05 2.94 19.0 6.3 9.25 18.70 16.50 4.2 0.90 3 1 50 360 30 delta P A1 H1 H H0 L l1 W0 W W1 F1 F2 P2 P0 d W2 delta H T2 inch. Max. Min. Typ. 0.189 0.150 0.063 0.091 0.019 0.492 0.222 0.096 0.689 0.224 0.335 0.508 0.278 0.116 0.748 0.248 0.364 0.726 0.650 0.165 0.035 0.118 0.039 1.968 14.173 1.181 T T1 Max. 2.54 2 18.00 0.100 0.079 0.709 0.50 18.50 15.50 25.00 3.8 0.20 0.728 0.610 0.984 0.150 D0 t DRAWING NOT IN SCALE 26/29 L78LxxAB - L78LxxAC - L78LxxC Order codes 8 Table 23. Order codes Order codes Packaging Part numbers SO-8 L78L33C L78L33AC L78L33AB L78L05C L78L05AC L78L05AB L78L06AC L78L06AB L78L08C L78L08AC L78L08AB L78L09C L78L09AC L78L09AB L78L10AC L78L12C L78L12AC L78L12AB L78L15C L78L15AC L78L15AB L78L18C L78L18AC L78L24C L78L24AC L78L24AB L78L18CD13TR L78L18ACD13TR L78L24CD-TR L78L24ACD-TR L78L24ABD13TR L78L24ACZ L78L24ABZ L78L24ACUTR L78L24ABUTR L78L18ACUTR L78L12CD13TR L78L12ACD13TR L78L12ABD-TR L78L15CD-TR L78L15ACD13TR L78L15ACZ L78L15ABZ L78L15ACUTR L78L15ABUTR L78L12ACZ L78L12ABZ L78L12ACUTR L78L12ABUTR L78L33CD-TR L78L33ACD13TR L78L33ABD-TR L78L05CD13TR L78L05ACD13TR L78L05ABD13TR L78L06ACD13TR L78L06ABD13TR L78L08CD13TR L78L08ACD13TR L78L08ABD13TR L78L09CD13TR L78L09ACD13TR L78L09ABD13TR L78L09ACZ L78L09ABZ L78L09ACUTR L78L09ABUTR L78L10ACUTR L78L08ACZ L78L08ABZ L78L08ACUTR L78L08ABUTR L78L33ACZ L78L33ABZ L78L05CZ L78L05ACZ L78L05ABZ L78L06ACZ L78L06ABZ L78L05ACUTR L78L05ABUTR L78L06ACUTR L78L06ABUTR L78L33ACUTR L78L33ABUTR TO92 (BAG) (1) Output voltage SOT-89 3.3 V 3.3 V 3.3 V 5V 5V 5V 6V 6V 8V 8V 8V 9V 9V 9V 10 V 12 V 12 V 12 V 15 V 15 V 15 V 18 V 18 V 24 V 24 V 24 V 1. Available in Ammopak with the suffix "-AP" or in Tape & Reel with the suffix "TR". Please note that in these cases pins are shaped according to Tape & Reel specifications. 27/29 Revision history L78LxxAB - L78LxxAC - L78LxxC 9 Table 24. Date Revision history Document revision history Revision 9 10 11 12 13 14 15 16 Add tape & reel for TO-92. Add note on Table 3. Mistake on ordering Table in header. Order codes updated. Order codes updated. Added Table 1 in cover page. Modified: Table 1 on page 1 and Table 23 on page 27. Modified Figure 12 on page 17. Changes 14-Mar-2005 15-Mar-2005 23-Dec-2005 12-Sep-2006 07-Jun-2007 18-Sep-2007 15-Jul-2008 18-Aug-2008 28/29 L78LxxAB - L78LxxAC - L78LxxC Please Read Carefully: Information in this document is provided solely in connection with ST products. STMicroelectronics NV and its subsidiaries ("ST") reserve the right to make changes, corrections, modifications or improvements, to this document, and the products and services described herein at any time, without notice. All ST products are sold pursuant to ST's terms and conditions of sale. Purchasers are solely responsible for the choice, selection and use of the ST products and services described herein, and ST assumes no liability whatsoever relating to the choice, selection or use of the ST products and services described herein. No license, express or implied, by estoppel or otherwise, to any intellectual property rights is granted under this document. If any part of this document refers to any third party products or services it shall not be deemed a license grant by ST for the use of such third party products or services, or any intellectual property contained therein or considered as a warranty covering the use in any manner whatsoever of such third party products or services or any intellectual property contained therein. UNLESS OTHERWISE SET FORTH IN ST'S TERMS AND CONDITIONS OF SALE ST DISCLAIMS ANY EXPRESS OR IMPLIED WARRANTY WITH RESPECT TO THE USE AND/OR SALE OF ST PRODUCTS INCLUDING WITHOUT LIMITATION IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE (AND THEIR EQUIVALENTS UNDER THE LAWS OF ANY JURISDICTION), OR INFRINGEMENT OF ANY PATENT, COPYRIGHT OR OTHER INTELLECTUAL PROPERTY RIGHT. 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Price & Availability of L78L05ABD13TR
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