Datasheet

ManualsBrandsST ManualsIntegrated Circuits (ICs)Linear Fixed Voltage Regulator, 3.3V, 100mA, SOT-89

June 2016

DocID2145 Rev 26

1/45

This is information on a product in full production.

www.st.com

L78L

Positive voltage regulators

Datasheet - production data

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 ± 4% (A) or ± 8% (C)

selection

Description

The L78L 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 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. The L78L series used as

Zener diode/resistor combination replacement,

offers e improvement along with lower quiescent

current and lower noise.

Downloaded from Arrow.com.

Summary of content (45 pages)

PAGE 1
L78L Positive voltage regulators Datasheet - production data Description The L78L 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.
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Contents L78L Contents 1 Diagram ............................................................................................ 3 2 Pin configuration ............................................................................. 4 3 Maximum ratings ............................................................................. 5 4 5 Electrical characteristics ................................................................ 6 Typical performance ...........................................................
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L78L 1 Diagram Diagram Figure 1: Schematic diagram DocID2145 Rev 26 Downloaded from Arrow.com.
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Pin configuration 2 L78L Pin configuration Figure 2: Pin connection (top view, bottom view for TO-92) Figure 3: Test circuits 4/45 Downloaded from Arrow.com.
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L78L 3 Maximum ratings Maximum ratings Table 1: Absolute maximum ratings Symbol VI IO PD Parameter DC Input voltage Value VO = 3.
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Electrical characteristics 4 L78L Electrical characteristics Refer to the test circuits, TJ = 0 to 125 °C, VI = 8.3 V, IO = 40 mA, CI = 0.33 µF, CO = 0.1 µF unless otherwise specified. Table 3: Electrical characteristics of L78L33C Symbol Parameter VO Output voltage VO Output voltage ∆VO Line regulation ∆VO Load regulation Id Quiescent current Test conditions Min. Typ. Max. Unit TJ = 25 °C 3.036 3.3 3.564 V IO = 1 to 40 mA, VI = 5.3 to 20 V 2.97 3.63 IO = 1 to 70 mA, VI = 8.
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L78L Electrical characteristics Refer to the test circuits, TJ = 0 to 125 °C, VI = 10 V, IO = 40 mA, CI = 0.33 µF, CO = 0.1 µF unless otherwise specified. Table 4: Electrical characteristics of L78L05C Symbol Parameter VO Output voltage VO Output voltage ∆VO Line regulation ∆VO Load regulation Id Quiescent current Test conditions Min. Typ. Max. Unit TJ = 25 °C 4.6 5 5.4 V IO = 1 to 40 mA, VI = 7 to 20 V 4.5 5.5 IO = 1 to 70 mA, VI = 10 V 4.5 5.5 VI = 8.
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Electrical characteristics L78L Refer to the test circuits, TJ = 0 to 125 °C,VI = 14 V, IO = 40 mA, CI = 0.33 µF, CO = 0.1 µF unless otherwise specified. Table 5: Electrical characteristics of L78L08C Symbol Parameter VO Output voltage VO Output voltage ∆VO Line regulation ∆VO Load regulation Id Quiescent current Test conditions Min. Typ. Max. Unit TJ = 25 °C 7.36 8 8.64 V IO = 1 to 40 mA, VI = 8.5 to 20 V 7.2 8.8 IO = 1 to 70 mA, VI = 12 V 7.2 8.8 VI = 10.
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L78L Electrical characteristics Refer to the test circuits, TJ = 0 to 125 °C, VI = 15 V, IO = 40 mA, CI = 0.33 µF, CO = 0.1 µF unless otherwise specified. Table 6: Electrical characteristics of L78L09C Symbol Parameter VO Output voltage VO Output voltage ∆VO Line regulation ∆VO Load regulation Id Quiescent current Test conditions Min. Typ. Max. Unit TJ = 25 °C 8.28 9 9.72 V IO = 1 to 40 mA, VI = 11.5 to 23 V 8.1 9.9 IO = 1 to 70 mA, VI = 15 V 8.1 9.9 VI = 11.
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Electrical characteristics L78L Refer to the test circuits, TJ = 0 to 125 °C, VI = 16 V, IO = 40 mA, CI = 0.33 µF, CO = 0.1 µF unless otherwise specified. Table 7: Electrical characteristics of L78L10C Symbol Parameter VO Output voltage VO Output voltage ∆VO Line regulation ∆VO Load regulation Id Quiescent current Test conditions TJ = 25 °C 9.2 10 10.8 V IO = 1 to 70 mA, VI = 16 V 9 11 V VI = 12.
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L78L Electrical characteristics Refer to the test circuits, TJ = 0 to 125 °C, VI = 19 V, IO = 40 mA, CI = 0.33 µF, CO = 0.1 µF unless otherwise specified. Table 8: Electrical characteristics of L78L12C Symbol Parameter VO Output voltage VO Output voltage ∆VO Line regulation ∆VO Load regulation Id Quiescent current Test conditions Min. Typ. Max. Unit TJ = 25 °C 11.1 12 12.9 V IO = 1 to 40 mA, VI = 14.5 to 27 V 10.8 13.2 IO = 1 to 70 mA, VI = 19 V 10.8 13.2 VI = 14.
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Electrical characteristics L78L Refer to the test circuits, TJ = 0 to 125 °C, VI = 23 V, IO = 40 mA, CI = 0.33 µF, CO = 0.1 µF unless otherwise specified Table 9: Electrical characteristics of L78L15C Symbol Parameter VO Output voltage VO Output voltage ∆VO Line regulation ∆VO Load regulation Id Quiescent current Test conditions Min. Typ. Max. Unit TJ = 25 °C 13.8 15 16.2 V IO = 1 to 40 mA, VI = 17.5 to 30 V 13.5 16.5 IO = 1 to 70 mA, VI = 23 V 13.5 16.5 VI = 17.
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L78L Electrical characteristics Refer to the test circuits, TJ = 0 to 125 °C, VI = 27 V, IO = 40 mA, CI = 0.33 µF, CO = 0.1 µF unless otherwise specified. Table 10: Electrical characteristics of L78L18C Symbol Parameter VO Output voltage VO Output voltage ∆VO Line regulation ∆VO Load regulation Id Quiescent current Test conditions Min. Typ. Max. Unit TJ = 25 °C 16.6 18 19.4 V IO = 1 to 40 mA, VI = 22 to 33 V 16.2 19.8 IO = 1 to 70 mA, VI = 27 V 16.2 19.
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Electrical characteristics L78L Refer to the test circuits, TJ = 0 to 125 °C, VI = 33 V, IO = 40 mA, CI = 0.33 µF, CO = 0.1 µF unless otherwise specified. Table 11: Electrical characteristics of L78L24C Symbol Parameter VO Output voltage VO Output voltage ∆VO Line regulation ∆VO Load regulation Id Quiescent current Test conditions Min. Typ. Max. Unit TJ = 25 °C 22.1 24 25.9 V IO = 1 to 40 mA, VI = 27 to 38 V 21.6 26.4 IO = 1 to 70 mA, VI = 33 V 21.6 26.
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L78L Electrical characteristics Refer to the test circuits, TJ = 0 to 125 °C (AC) TJ = -40 to 125 °C (AB),VI = 8.3 V, IO = 40mA, CI = 0.33 μF, CO = 0.1 μF unless otherwise specified. Table 12: Electrical characteristics of L78L33AB and L78L33AC Symbol Parameter VO Output voltage VO Output voltage ∆VO Line regulation ∆VO Load regulation Id Quiescent current Test conditions Min. Typ. Max. Unit TJ = 25 °C 3.168 3.3 3.432 V IO = 1 to 40 mA, VI = 5.3 to 20 V 3.135 3.
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Electrical characteristics Refer to the test circuits, TJ = 0 to 125 °C (AC) TJ = -40 to 125 °C (AB), VI = 10 V, L78L IO = 40 mA, CI = 0.33 μF, CO = 0.1 μF unless otherwise specified. Table 13: Electrical characteristics of L78L05AB and L78L05AC Symbol Parameter VO Output voltage VO Output voltage ∆VO Line regulation ∆VO Load regulation Id Quiescent current Test conditions Min. Typ. Max. Unit TJ = 25 °C 4.8 5 5.2 V IO = 1 to 40 mA, VI = 7 to 20 V 4.75 5.
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L78L Electrical characteristics Refer to the test circuits, TJ = 0 to 125 °C (AC) TJ = -40 to 125 °C (AB), VI = 12 V, IO = 40 mA, CI = 0.33 μF, CO = 0.1 μF unless otherwise specified. Table 14: Electrical characteristics of L78L06AB and L78L06AC Symbol Parameter VO Output voltage VO Output voltage ∆VO Line regulation ∆VO Load regulation Id Quiescent current Test conditions Min. Typ. Max. Unit TJ = 25 °C 5.76 6 6.24 V IO = 1 to 40 mA, VI = 8.5 to 20 V 5.7 6.
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Electrical characteristics Refer to the test circuits, TJ = 0 to 125 °C (AC) TJ = -40 to 125 °C (AB), VI = 14 V, L78L IO = 40 mA, CI = 0.33 μF, CO = 0.1 μF unless otherwise specified. Table 15: Electrical characteristics of L78L08AB and L78L08AC Symbol Parameter VO Output voltage VO Output voltage ∆VO Line regulation ∆VO Load regulation Id Quiescent current Test conditions Min. Typ. Max. Unit TJ = 25 °C 7.68 8 8.32 V IO = 1 to 40 mA, VI = 10.5 to 23 V 7.6 8.
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L78L Electrical characteristics Refer to the test circuits, TJ = 0 to 125 °C (AC) TJ = -40 to 125 °C (AB), VI =15 V, IO= 40 mA, CI = 0.33 μF, CO = 0.1 μF unless otherwise specified. Table 16: Electrical characteristics of L78L09AB and L78L09AC Symbol Parameter VO Output voltage VO Output voltage ∆VO Line regulation ∆VO Load regulation Id Quiescent current Test conditions Min. Typ. Max. Unit TJ = 25 °C 8.64 9 9.36 V IO = 1 to 40 mA, VI = 11.5 to 23 V 8.55 9.
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Electrical characteristics Refer to the test circuits, TJ = 0 to 125 °C (AC) TJ = -40 to 125 °C (AB), VI= 16 V, L78L IO = 40mA, CI = 0.33 μF, CO = 0.1 μF unless otherwise specified. Table 17: Electrical characteristics of L78L10AC Symbol Parameter VO Output voltage VO Output voltage ∆VO Line regulation ∆VO Load regulation Id Quiescent current Test conditions Min. Typ. Max. Unit TJ = 25 °C 9.6 10 10.4 V IO = 1 to 40 mA, VI = 12.5 to 23 V 9.5 10.5 IO = 1 to 70 mA, VI = 16 V 9.
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L78L Electrical characteristics Refer to the test circuits, TJ = 0 to 125 °C (AC) TJ = -40 to 125 °C (AB), VI =19 V, IO = 40 mA, CI = 0.33 μF, CO = 0.1 μF unless otherwise specified. Table 18: Electrical characteristics of L78L12AB and L78L12AC Symbol Parameter VO Output voltage VO Output voltage ∆VO Line regulation ∆VO Load regulation Id Quiescent current Test conditions Min. Typ. Max. Unit TJ = 25 °C 11.5 12 12.5 V IO = 1 to 40 mA, VI = 14.5 to 27 V 11.4 12.
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Electrical characteristics Refer to the test circuits, TJ = 0 to 125 °C (AC) TJ = -40 to 125 °C (AB),VI = 23 V, L78L IO= 40 mA, CI = 0.33 μF, CO = 0.1 μF unless otherwise specified. Table 19: Electrical characteristics of L78L15AB and L78L15AC Symbol Parameter VO Output voltage VO Output voltage ∆VO Line regulation ∆VO Load regulation Id Quiescent current Test conditions Min. Typ. Max. Unit TJ = 25 °C 14.4 15 15.6 V IO = 1 to 40 mA, VI = 17.5 to 30 V 14.25 15.
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L78L Electrical characteristics Refer to the test circuits, TJ = 0 to 125 °C (AC) TJ = -40 to 125 °C (AB),VI = 27 V, IO = 40 mA, CI = 0.33 μF, CO = 0.1 μF unless otherwise specified. Table 20: Electrical characteristics of L78L18AC Symbol Parameter VO Output voltage VO Output voltage ∆VO Line regulation ∆VO Load regulation Id Quiescent current Test conditions Min. Typ. Max. Unit TJ = 25 °C 17.3 18 18.7 V IO = 1 to 40 mA, VI = 22 to 33 V 17.1 18.9 IO = 1 to 70 mA, VI = 27 V 17.
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Electrical characteristics Refer to the test circuits, TJ = 0 to 125 °C (AC) TJ = -40 to 125 °C (AB),VI = 33 V, L78L IO = 40 mA, CI = 0.33 μF, CO = 0.1 μF unless otherwise specified. Table 21: Electrical characteristics of L78L24AB and L78L24AC Symbol Parameter VO Output voltage VO Output voltage ∆VO Line regulation ∆VO Load regulation Id Quiescent current Test conditions TJ = 25 °C 23 24 25 V 25.2 22.8 25.
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L78L Typical performance 5 Typical performance Figure 4: 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 DocID2145 Rev 26 Downloaded from Arrow.com.
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Typical performance L78L Figure 8: L78L05 quiescent current vs. input voltage Figure 9: L78L05/12/24 output characteristics Figure 10: L78L05/12/24 ripple rejection Figure 11: L78L05 dropout characteristics Figure 12: L78L short-circuit output current 26/45 Downloaded from Arrow.com.
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L78L 6 Typical application Typical application Figure 13: High output current short-circuit protected Figure 14: Outuput boost circuit Figure 15: Current regulator DocID2145 Rev 26 Downloaded from Arrow.com.
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Typical application L78L Figure 16: Adjustable output regulator 28/45 Downloaded from Arrow.com.
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L78L 7 Package information Package information In order to meet environmental requirements, ST offers these devices in different grades of ECOPACK® packages, depending on their level of environmental compliance. ECOPACK ® specifications, grade definitions and product status are available at: www.st.com. ECOPACK® is an ST trademark. 7.1 TO-92 package information Figure 17: TO-92 package outline Table 22: TO-92 mechanical data mm Dim. Min. Max. A 4.32 4.95 b 0.36 0.51 D 4.45 4.95 E 3.30 3.
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Package information 7.2 L78L TO-92 packing information Figure 18: TO-92 tape and reel outline 30/45 Downloaded from Arrow.com.
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L78L Package information Table 23: TO-92 tape and reel mechanical data mm Dim. Min. Typ. A1 4.80 T 3.80 T1 1.60 T2 2.30 d 0.45 0.47 0.48 P0 12.50 12.70 12.90 P2 5.65 6.35 7.05 F1, F2 2.40 2.50 2.94 F3 4.98 5.08 5.48 delta H -2.00 W 17.50 18.00 19.00 W0 5.5 6.00 6.5 W1 8.50 9.00 9.25 2.00 W2 0.50 H 18.50 21 H3 0.5 1 2 H0 15.50 16.00 18.8 25.0 27.0 4.00 4.20 H1 D0 3.80 t 0.90 L 11.00 I1 3.00 delta P -1.
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Package information 7.3 L78L TO-92 Ammopak packing information Figure 19: TO-92 Ammopak tape and reel outline 32/45 Downloaded from Arrow.com.
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L78L Package information Table 24: TO-92 Ammopak tape and reel mechanical data mm Dim. Min. Typ. A1 4.80 T 3.80 T1 1.60 T2 2.30 d 0.45 0.47 0.48 P0 12.50 12.70 12.90 P2 5.65 6.35 7.05 F1, F2 2.40 2.50 2.94 F3 4.98 5.08 5.48 delta H -2.00 W 17.50 18.00 19.00 W0 5.5 6.00 6.5 W1 8.50 9.00 9.25 2.00 W2 0.50 H 18.50 21 H3 0.5 1 2 H0 15.50 16.00 18.8 25.0 27.0 4.00 4.20 H1 D0 3.80 t 0.90 L 11.00 I1 3.00 delta P -1.
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Package information 7.4 L78L SO-8 package information Figure 20: SO-8 package outline 34/45 Downloaded from Arrow.com.
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L78L Package information Table 25: SO-8 mechanical data mm Dim. Min. Typ. A Max. 1.75 A1 0.10 0.25 A2 1.25 b 0.31 0.51 b1 0.28 0.48 c 0.10 0.25 c1 0.10 0.23 D 4.80 4.90 5.00 E 5.80 6.00 6.20 E1 3.80 3.90 4.00 e 1.27 h 0.25 0.50 L 0.40 1.27 L1 1.04 L2 0.25 k 0° ccc 8° 0.10 Figure 21: SO-8 recommended footprint (dimensions are in mm) DocID2145 Rev 26 Downloaded from Arrow.com.
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Package information 7.5 L78L SO-8 packing information Figure 22: SO-8 tape and reel dimensions Table 26: SO-8 tape and reel mechanical data Dim. mm Min. A Downloaded from Arrow.com. Max. 330 C 12.8 D 20.2 N 60 T 36/45 Typ. 13.2 22.4 Ao 8.1 8.5 Bo 5.5 5.9 Ko 2.1 2.3 Po 3.9 4.1 P 7.9 8.
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L78L 7.6 Package information SOT-89 package information Figure 23: SOT-89 package outline DocID2145 Rev 26 Downloaded from Arrow.com.
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Package information L78L Table 27: SOT-89 mechanical data mm Dim. Min. Downloaded from Arrow.com. Max. A 1.40 1.60 B 0.44 0.56 B1 0.36 0.48 C 0.35 0.44 C1 0.35 0.44 D 4.40 4.60 D1 1.62 1.83 D3 38/45 Typ. 0.90 E 2.29 2.60 e 1.42 1.57 e1 2.92 3.07 H 3.94 4.25 H1 2.70 3.10 K 1° 8° L 0.89 120 R 0.
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L78L Package information Figure 24: SOT-89 recommended footprint DocID2145 Rev 26 Downloaded from Arrow.com.
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Package information 7.7 L78L SOT-89 packing information Figure 25: SOT-89 carrier tape outline Table 28: SOT-89 carrier tape mechanical data mm Dim. 40/45 Downloaded from Arrow.com. Value Tolerance Ao 4.91 ± 0.10 Bo 4.52 ± 0.10 Ko 1.90 ± 0.10 F 5.50 ± 0.10 E 1.75 ± 0.10 W 12 ± 0.30 P2 2 ± 0.10 Po 4 ± 0.10 P1 8 ± 0.10 T 0.30 ± 0.10 D Ø 1.55 ± 0.05 D1 Ø 1.60 ± 0.
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L78L Ordering information 8 Ordering information Table 29: Order codes Part numbers SO-8 TO-92 (Bag) (1) L78L33ABD-TR L78L33ACD13TR TO-92 (ammopack) TO-92 (tape and reel) L78L33ABZ-AP L78L33ACZ L78L33ACZ-AP L78L33ACZTR Output voltages SOT-89 (V) L78L33ABUTR 3.3 L78L33ACUTR 3.3 L78L33CD-TR 3.
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Ordering information L78L Table 30: Marking information Part numbers Marking Packages Output voltages L78L05ABD13TR 78L05B SO-8 5V L78L05ABUTR 8C SOT-89 5V L78L05ABZ L78L05A TO-92 5V L78L05ABZ-AP L78L05A TO-92 5V L78L05ABZ-TR L78L05A TO-92 5V L78L05ACD13TR 78L05A SO-8 5V L78L05ACUTR 8C SOT-89 5V L78L05ACZ L78L05A TO-92 5V L78L05ACZ-AP L78L05A TO-92 5V L78L05ACZTR L78L05A TO-92 5V L78L05CD13TR 78L05 SO-8 5V L78L05CZ L78L05A TO-92 5V L78L06ABUTR 8E SOT-8
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L78L Ordering information Part numbers Marking Packages Output voltages L78L12ACD13TR 78L12A SO-8 12 V L78L12ACUTR 8K SOT-89 12 V L78L12ACZ L78L12A TO-92 12 V L78L12ACZ-AP L78L12A TO-92 12 V L78L12ACZ-TR L78L12A TO-92 12 V L78L12CD13TR 78L12 SO-8 12 V L78L15ABUTR 8L SOT-89 15 V L78L15ABZ-AP L78L15A TO-92 15 V L78L15ACD13TR 78L15A SO-8 15 V L78L15ACUTR 8L SOT-89 15 V L78L15ACZ L78L15A TO-92 15 V L78L15CD-TR 78L15 SO-8 15 V L78L18ACUTR 8B SOT-89 18 V L7
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Revision history 9 L78L Revision history Table 31: Document revision history Date Revision Changes 14-Mar-2005 9 Add tape and reel for TO-92. 15-Mar-2005 10 Add note on Table 3. 23-Dec-2005 11 Mistake on ordering Table in header. 12-Sep-2006 12 Order codes updated. 07-Jun-2007 13 Order codes updated. 18-Sep-2007 14 Added Table 1 in cover page. 15-Jul-2008 15 Modified: Table 1 and Table 28: Order codes. 18-Aug-2008 16 Modified Figure 12 on page 26.
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L78L IMPORTANT NOTICE – PLEASE READ CAREFULLY STMicroelectronics NV and its subsidiaries (“ST”) reserve the right to make changes, corrections, enhancements, modifications, and improvements to ST products and/or to this document at any time without notice. Purchasers should obtain the latest relevant information on ST products before placing orders. ST products are sold pursuant to ST’s terms and conditions of sale in place at the time of order acknowledgement.