L78L05AC STMICROELECTRONICS [STMicroelectronics], L78L05AC Datasheet

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L78L05AC

Manufacturer Part Number
L78L05AC
Description
Positive voltage regulators
Manufacturer
STMICROELECTRONICS [STMicroelectronics]
Datasheet

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Features
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 on-
card regulation for elimination of noise and
distribution problems associated with single-point
regulation.
Table 1.
August 2008
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
L78L33AC
L78L33AB
L78L05AC
L78L05AB
L78L06AC
L78L06AB
Device summary
L78L33C
L78L05C
L78L08C
Part numbers
L78L08AC
L78L08AB
L78L09AC
L78L09AB
L78L10AC
L78L12AC
L78L12AB
L78L09C
L78L12C
Rev 16
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.
L78LxxAC - L78LxxC
SO-8
Positive voltage regulators
TO-92
L78L15AC
L78L15AB
L78L18AC
L78L24AC
L78L24AB
L78LxxAB
L78L15C
L78L18C
L78L24C
SOT-89
www.st.com
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L78L05AC Summary of contents

Page 1

... Table 1. Device summary L78L33C L78L33AC L78L33AB L78L05C L78L05AC L78L05AB L78L06AC L78L06AB L78L08C August 2008 L78LxxAC - L78LxxC Positive voltage regulators SO-8 In addition, they can be used with power pass elements to make high-current voltage regulators ...

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Contents 1 Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...

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Diagram Figure 1. Schematic diagram 3/29 ...

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Pin configuration Figure 2. Pin connection (top view, bottom view for TO-92) SO-8 Figure 3. Test circuits 4/29 PIN PIN 2 = GND PIN SOT-89 OUT IN TO-92 ...

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Maximum ratings Table 2. Absolute maximum ratings Symbol V DC Input voltage I I Output current O P Power dissipation D T Storage temperature range STG T Operating junction temperature range OP 1. Our SO-8 package used for voltage ...

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Electrical characteristics Table 4. Electrical characteristics of L78L33C (refer to the test circuits mA 0.33 µ Symbol Parameter V Output voltage O V Output voltage O V Line regulation O ...

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Table 5. Electrical characteristics of L78L05C (refer to the test circuits mA 0.33 µ Symbol Parameter V Output voltage O V Output voltage O V Line regulation O V Load regulation ...

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Table 7. Electrical characteristics of L78L09C (refer to the test circuits mA 0.33 µ Symbol Parameter V Output voltage O V Output voltage O V Line regulation O V Load regulation ...

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Table 9. Electrical characteristics of L78L12C (refer to the test circuits mA 0.33 µ Symbol Parameter V Output voltage O V Output voltage O V Line regulation O V Load regulation ...

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Table 11. Electrical characteristics of L78L18C (refer to the test circuits mA 0.33 µ Symbol Parameter V Output voltage O V Output voltage O V Line regulation O V Load regulation ...

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... I Quiescent current change d eN Output noise voltage SVR Supply voltage rejection V Dropout voltage d Table 14. Electrical characteristics of L78L05AB and L78L05AC (refer to the test circuits mA -40 to 125°C for L78L05AB, unless otherwise specified) J Symbol Parameter V Output voltage ...

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Table 15. Electrical characteristics of L78L06AB and L78L06AC (refer to the test circuits mA -40 to 125°C for L78L06AB, unless otherwise specified) J Symbol Parameter V Output voltage ...

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Table 17. Electrical characteristics of L78L09AB and L78L09AC (refer to the test circuits mA -40 to 125°C for L78L09AB, unless otherwise specified) J Symbol Parameter V Output voltage ...

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Table 19. Electrical characteristics of L78L12AB and L78L12AC (refer to the test circuits mA -40 to 125°C for L78L12AB, unless otherwise specified) J Symbol Parameter V Output voltage ...

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Table 21. Electrical characteristics of L78L18AC (refer to the test circuits mA -40 to 125°C for L78L18AB, unless otherwise specified) J Symbol Parameter V Output voltage O V ...

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Typical performance Figure 4. L78L05/12 output voltage vs ambient temperature Figure 6. L78L05/12/24 thermal shutdown Figure 8. L78L05 quiescent current vs input voltage 16/29 Figure 5. L78L05/12/24 load characteristics Figure 7. L78L05/12 quiescent current vs output current Figure 9. ...

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Figure 10. L78L05/12/24 ripple rejection Figure 12. L78Lxx short circuit output current Figure 11. L78L05 dropout characteristics 17/29 ...

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Typical application Figure 13. High output current short circuit protected Figure 14. Edit boost circuit Figure 15. Current regulator 18/29 ...

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Figure 16. Adjustable output regulator 19/29 ...

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Package mechanical data In order to meet environmental requirements, ST offers these devices in ECOPACK 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 ...

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SO-8 mechanical data mm. Dim. Min. Typ. A 1.35 A1 0.10 A2 1.10 B 0.33 C 0.19 D 4.80 E 3.80 e 1.27 H 5.80 h 0.25 L 0.40 k ddd inch. Max. Min. Typ. 1.75 0.053 0.25 0.04 1.65 ...

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Dim. Min. A 1.4 B 0.44 B1 0.36 C 0.35 C1 0.35 D 4.4 D1 1.62 E 2.29 e 1.42 e1 2.92 H 3.94 L 0.89 22/29 SOT-89 mechanical data mm. Typ. Max. Min. 1.6 55.1 0.56 17.3 0.48 14.2 ...

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TO-92 mechanical data mm. Dim. Min. Typ. A 4.32 b 0.36 D 4.45 E 3.30 e 2.41 e1 1.14 L 12.7 R 2.16 S1 0.92 W 0.41 5° mils. Max. Min. Typ. 4.95 170.1 0.51 14.2 4.95 175.2 3.94 129.9 ...

Page 24

Tape & reel SO-8 mechanical data Dim. Min 12 8.1 Bo 5.5 Ko 2.1 Po 3.9 P 7.9 24/29 mm. Typ. Max. Min. 330 13.2 0.504 0.795 2.362 22.4 8.5 0.319 5.9 ...

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Tape & reel SOT-89 mechanical data mm. Dim. Min. Typ 12.8 13 4.70 4.80 Bo 4.30 4.40 Ko 1.70 1.80 Po 3.9 4.0 P 7.9 8.0 inch. Max. Min. Typ. 180 13.2 ...

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Tape & reel for TO-92 mechanical data Dim. Min 12.5 P2 5.65 F1, F2 2.44 delta H W 17.5 W0 5 15. 3 delta P ...

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... Available in Ammopak with the suffix "-AP" Tape & Reel with the suffix "TR". Please note that in these cases pins are shaped according to Tape & Reel specifications. Packaging (1) TO92 (BAG) SOT-89 L78L33ACZ L78L33ACUTR L78L33ABZ L78L33ABUTR L78L05CZ L78L05ACZ L78L05ACUTR L78L05ABZ L78L05ABUTR L78L06ACZ L78L06ACUTR L78L06ABZ L78L06ABUTR L78L08ACZ L78L08ACUTR L78L08ABZ L78L08ABUTR L78L09ACZ ...

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Revision history Table 24. Document revision history Date Revision 14-Mar-2005 9 15-Mar-2005 10 23-Dec-2005 11 12-Sep-2006 12 07-Jun-2007 13 18-Sep-2007 14 15-Jul-2008 15 18-Aug-2008 16 28/29 Changes Add tape & reel for TO-92. Add note on Table 3. Mistake ...

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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 ...

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