L78M15AB STMicroelectronics, L78M15AB Datasheet

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L78M15AB

Manufacturer Part Number
L78M15AB
Description
Precision 500 mA regulators
Manufacturer
STMicroelectronics
Datasheet

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Features
Description
The L78MxxA series of three-terminal positive
regulators is available in TO-220 and DPAK
packages and with several fixed output voltages,
making it useful in a wide range of applications.
These regulators can provide local on-card
regulation eliminating the distribution problems
associated with single point regulation. Each type
employs internal current limiting, thermal
shutdown and safe area protection, making it
essentially indestructible. If adequate heat sinking
is provided, they can deliver over 0.5 A output
current. Although designed primarily as fixed
voltage regulators, these devices can be used
with external components to obtain adjustable
voltage and currents.
Table 1.
March 2012
This is information on a product in full production.
Output current to 0.5 A
Output voltages of 5; 6; 8; 9; 10; 12; 15; 24 V
Thermal overload protection
Short circuit protection
Output transition SOA protection
± 2 % output voltage tolerance
Guaranteed in extended temperature range
Device summary
L78M05AB
L78M05AC
L78M06AB
L78M08AB
L78M09AB
L78M10AB
Doc ID 2147 Rev 12
Part numbers
Precision 500 mA regulators
TO-220
L78M12AB
L78M12AC
L78M15AB
L78M24AB
L78M24AC
Datasheet
L78MxxAB
L78MxxAC
DPAK
production data
www.st.com
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L78M15AB Summary of contents

Page 1

... Table 1. Device summary L78M05AB L78M05AC L78M06AB L78M08AB L78M09AB L78M10AB March 2012 This is information on a product in full production. Precision 500 mA regulators TO-220 Part numbers Doc ID 2147 Rev 12 L78MxxAB L78MxxAC − Datasheet production data DPAK L78M12AB L78M12AC L78M15AB L78M24AB L78M24AC 1/29 www.st.com 29 ...

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

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L78MxxAB, L78MxxAC 1 Diagram Figure 1. Block diagram Doc ID 2147 Rev 12 Diagram 3/29 ...

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Pin configuration 2 Pin configuration Figure 2. Pin connections (top view) TO-220 Figure 3. Schematic diagram 4/29 Doc ID 2147 Rev 12 L78MxxAB, L78MxxAC DPAK ...

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L78MxxAB, L78MxxAC 3 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 Note: Absolute maximum ratings are ...

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Test circuits 4 Test circuits Figure 5. DC parameter Figure 6. Load regulation Figure 7. Ripple rejection 6/29 Doc ID 2147 Rev 12 L78MxxAB, L78MxxAC ...

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L78MxxAB, L78MxxAC 5 Electrical characteristics Refer to the test circuits -40 to 125 °C (AB Table 4. Electrical characteristics of L78M05XX Symbol Parameter V Output voltage O V Output voltage O ΔV Line regulation O ...

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Electrical characteristics Refer to the test circuits -40 to 125 °C (AB Table 5. Electrical characteristics of L78M06XX Symbol Parameter V Output voltage O V Output voltage O ΔV Line regulation O ΔV Load regulation ...

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L78MxxAB, L78MxxAC Refer to the test circuits, V °C (AB 125 °C (AC) unless otherwise specified). J Table 6. Electrical characteristics of L78M08XX Symbol Parameter V Output voltage O V Output voltage O ΔV Line regulation ...

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Electrical characteristics Refer to the test circuits -40 to 125 °C (AB Table 7. Electrical characteristics of L78M09XX Symbol Parameter V Output voltage O V Output voltage O ΔV Line regulation O ΔV Load regulation ...

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L78MxxAB, L78MxxAC Refer to the test circuits -40 to 125 °C (AB Table 8. Electrical characteristics of L78M10XX Symbol Parameter V Output voltage O V Output voltage O ΔV Line regulation O ΔV Load regulation ...

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Electrical characteristics Refer to the test circuits -40 to 125 °C (AB Table 9. Electrical characteristics of L78M12XX Symbol Parameter V Output voltage O V Output voltage O ΔV Line regulation O ΔV Load regulation ...

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L78MxxAB, L78MxxAC Refer to the test circuits -40 to 125 °C (AB Table 10. Electrical characteristics of L78M15XX Symbol Parameter V Output voltage O V Output voltage O ΔV Line regulation O ΔV Load regulation ...

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Electrical characteristics Refer to the test circuits -40 to 125 °C (AB Table 11. Electrical characteristics of L78M24XX Symbol Parameter V Output voltage O V Output voltage O ΔV Line regulation O ΔV Load regulation ...

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L78MxxAB, L78MxxAC 6 Typical performance Figure 8. Dropout voltage vs. junction temp. Figure 9. Figure 10. Peak output current vs. input- output differential voltage Figure 12. Supply voltage rejection vs. frequency Dropout characteristics Figure 11. Output voltage vs. junction temperature ...

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Typical performance Figure 14. Load transient response Figure 16. Quiescent current vs. input voltage 16/29 Figure 15. Line transient response Doc ID 2147 Rev 12 L78MxxAB, L78MxxAC ...

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L78MxxAB, L78MxxAC 7 Applications information 7.1 Design considerations The L78MxxA series of fixed voltage regulators are designed with thermal overload protection that shuts down the circuit when subjected to an excessive power overload condition, internal short-circuit protection that limits the ...

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Applications information Figure 19. Current boost regulator V BEQ1 R = ______________ REQ BEQ1 ______) O REG 1 REG R 1 Figure 20. Short-circuit protection Note: ...

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L78MxxAB, L78MxxAC 8 Package mechanical data 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: ...

Page 20

Package mechanical data Dim. Min. A 4.40 C 1. 0.49 F 0.61 F1 1.14 F2 1.14 G 4.95 G1 2 13.0 L5 2.65 L6 15.25 L7 6.2 L9 3.5 DIA. 3.75 20/29 ...

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L78MxxAB, L78MxxAC Figure 21. Drawing dimension DPAK type STD-ST Doc ID 2147 Rev 12 Package mechanical data 0068772/G 21/29 ...

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Package mechanical data Figure 22. Drawing dimension DPAK type FUJITSU-subcon 22/29 Doc ID 2147 Rev 12 L78MxxAB, L78MxxAC 0068772/G ...

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L78MxxAB, L78MxxAC Figure 23. Drawing dimension DPAK type IDS-subcon Doc ID 2147 Rev 12 Package mechanical data 0068772/G 23/29 ...

Page 24

Package mechanical data Table 12. DPAK mechanical data Type STD-ST Dim. mm. Min. Typ. A 2.20 A1 0.90 A2 0.03 b 0.64 b4 5.20 c 0.45 c2 0.48 D 6.00 D1 5.10 E 6.40 E1 4.70 e 2.28 e1 4.40 ...

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L78MxxAB, L78MxxAC Figure 24. DPAK footprint recommended data Table 13. Footprint data Dim Values mm. 6.70 6.70 1.8 3.0 1.60 2.30 2.30 Doc ID 2147 Rev 12 Package mechanical data inch. 0.264 0.64 ...

Page 26

Package mechanical data Tape & reel DPAK-PPAK mechanical data Dim. Min 12 6.80 Bo 10.40 Ko 2.55 Po 3.9 P 7.9 26/29 mm. Typ. Max. 330 13.0 13.2 0.504 0.795 2.362 22.4 ...

Page 27

... L78M15ABV-DG L78M24AB L78M24AC 1. TO-220 Dual Gauge frame Packaging TO-220 L78M05ABV L78M05ABDT-TR (1) L78M05ACDT-TR L78M06ABDT-TR L78M08ABDT-TR L78M09ABDT-TR L78M10ABDT-TR L78M12ABV L78M12ABDT-TR L78M12ACDT-TR L78M15ABV L78M15ABDT-TR (1) L78M24ABDT-TR L78M24ACDT-TR Doc ID 2147 Rev 12 Order codes DPAK Output voltages ...

Page 28

... Table 14 on page 27 . Modified: Figure 9 on page 15 and Table 14 on page 27 Modified: . Modified: R value for TO-220 thJC Added: order code L78M15ABV-DG Added: order code L78M05ABV-DG Doc ID 2147 Rev 12 L78MxxAB, L78MxxAC Changes Figure 15 on page 16 . Table 3 on page 5 . Table 14 on page 27 . Table 14 on page 27 ...

Page 29

... L78MxxAB, L78MxxAC 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. ...

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