L7815 STMicroelectronics, L7815 Datasheet

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L7815

Manufacturer Part Number
L7815
Description
Manufacturer
STMicroelectronics
Datasheet

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DESCRIPTION
The L7800 series of three-terminal positive
regulators is available in TO-220, TO-220FP,
TO-220FM, TO-3 and D
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 shut-down
protection, making it essentially indestructible. If
adequate heat sinking is provided, they can
deliver over 1A output current. Although designed
primarily as fixed voltage regulators, these
devices can be used with external components to
obtain adjustable voltage and currents.
Figure 1: Schematic Diagram
November 2004
OUTPUT CURRENT TO 1.5A
OUTPUT VOLTAGES OF 5; 5.2; 6; 8; 8.5; 9;
10; 12; 15; 18; 24V
THERMAL OVERLOAD PROTECTION
SHORT CIRCUIT PROTECTION
OUTPUT TRANSITION SOA PROTECTION
2
PAK packages and
and safe area
POSITIVE VOLTAGE REGULATORS
D
TO-220
2
PAK
Rev. 12
TO-220FM
TO-220FP
SERIES
TO-3
L7800
1/34

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L7815 Summary of contents

Page 1

OUTPUT CURRENT TO 1.5A OUTPUT VOLTAGES 8.5; 9; 10; 12; 15; 18; 24V THERMAL OVERLOAD PROTECTION SHORT CIRCUIT PROTECTION OUTPUT TRANSITION SOA PROTECTION DESCRIPTION The L7800 series of three-terminal positive regulators is available in TO-220, ...

Page 2

L7800 SERIES Table 1: Absolute Maximum Ratings Symbol DC Input Voltage Output Current O P Power Dissipation tot T Storage Temperature Range stg Operating Junction Temperature T op Range Absolute Maximum Ratings are those values beyond which ...

Page 3

... L7805CP L7805CF L7805CT L7852CP L7852CF L7852CT L7806T L7806CP L7806CF L7806CT L7808T L7808CP L7808CF L7808CT L7885CP L7885CF L7885CT L7809CP L7809CF L7809CT L7810CP L7812T L7812CP L7812CF L7812CT L7815T L7815CP L7815CF L7815CT L7818T L7818CP L7818CF L7818CT L7820T L7820CP L7820CF L7820CT L7824T L7824CP L7824CF L7824CT 3/34 ...

Page 4

L7800 SERIES Figure 4: Application Circuits TEST CIRCUITS Figure 5: DC Parameter Figure 6: Load Regulation 4/34 ...

Page 5

Figure 7: Ripple Rejection Table 4: Electrical Characteristics Of L7805 (refer to the test circuits 500 mA 0.33 µ 0.1 µF unless otherwise specified Symbol Parameter V Output Voltage O ...

Page 6

L7800 SERIES Table 5: Electrical Characteristics Of L7806 (refer to the test circuits 500 mA 0.33 µ 0.1 µF unless otherwise specified Symbol Parameter V Output Voltage O V Output ...

Page 7

... I Short Circuit Peak Current scp (*) Load and line regulation are specified at constant junction temperature. Changes in V separately. Pulse testing with low duty cycle is used. Table 8: Electrical Characteristics Of L7815 (refer to the test circuits 500 mA 0.33 µ 0.1 µF unless otherwise specified). O ...

Page 8

L7800 SERIES Table 9: Electrical Characteristics Of L7818 (refer to the test circuits 500 mA 0.33 µ 0.1 µF unless otherwise specified Symbol Parameter V Output Voltage O V Output ...

Page 9

Table 11: Electrical Characteristics Of L7824 (refer to the test circuits 500 mA 0.33 µ 0.1 µF unless otherwise specified Symbol Parameter V Output Voltage O V Output Voltage O ...

Page 10

L7800 SERIES Table 13: Electrical Characteristics Of L7852C (refer to the test circuits 500 mA 0.33 µ 0.1 µF unless otherwise specified Symbol Parameter V Output Voltage O V Output ...

Page 11

Table 15: Electrical Characteristics Of L7808C (refer to the test circuits 500 mA 0.33 µ 0.1 µF unless otherwise specified Symbol Parameter V Output Voltage O V Output Voltage O ...

Page 12

L7800 SERIES Table 17: Electrical Characteristics Of L7809C (refer to the test circuits 500 mA 0.33 µ 0.1 µF unless otherwise specified Symbol Parameter V Output Voltage O V Output ...

Page 13

... I Short Circuit Peak Current scp (*) Load and line regulation are specified at constant junction temperature. Changes in V separately. Pulse testing with low duty cycle is used. Table 20: Electrical Characteristics Of L7815C (refer to the test circuits 500 mA 0.33 µ 0.1 µF unless otherwise specified). O ...

Page 14

L7800 SERIES Table 21: Electrical Characteristics Of L7818C (refer to the test circuits 500 mA 0.33 µ 0.1 µF unless otherwise specified Symbol Parameter V Output Voltage O V Output ...

Page 15

Table 23: Electrical Characteristics Of L7824C (refer to the test circuits 500 mA 0.33 µ 0.1 µF unless otherwise specified Symbol Parameter V Output Voltage O V Output Voltage O ...

Page 16

L7800 SERIES Figure 10: Supply Voltage Rejection vs Frequency Figure 11: Output Voltage vs Junction Temperature Figure 12: Output Impedance vs Frequency 16/34 Figure 13: Quiescent Current vs Junction Temperature Figure 14: Load Transient Response Figure 15: Line Transient Response ...

Page 17

Figure 16: Quiescent Current vs Input Voltage Figure 17: Fixed Output Regulator NOTE specify an output voltage, substitute voltage value for "XX". 2. Although no output capacitor is need for stability, it does improve transient response. 3. Required ...

Page 18

L7800 SERIES Figure 19: Circuit for Increasing Output Voltage ( Figure 20: Adjustable Output Regulator (7 to 30V) Figure 21: 0.5 to 10V ...

Page 19

Figure 22: High Current Voltage Regulator V BEQ1 REQ Q1 V BEQ1 REG 1 REG R 1 Figure 23: High Output Current with Short Circuit Protection ...

Page 20

L7800 SERIES Figure 25: Split Power Supply (± 15V - Against potential latch-up problems. Figure 26: Negative Output Voltage Circuit Figure 27: Switching Regulator 20/34 ...

Page 21

Figure 28: High Input Voltage Circuit Figure 29: High Input Voltage Circuit Figure 30: High Output Voltage Regulator Figure 31: High Input and Output Voltage ...

Page 22

L7800 SERIES Figure 32: Reducing Power Dissipation with Dropping Resistor I(min DROP(max O(max) + d(max) Figure 33: Remote Shutdown Figure 34: Power AM Modulator (unity voltage gain, I NOTE: The ...

Page 23

Figure 35: Adjustable Output Voltage with Temperature Compensation ( NOTE connected as a diode in order to compensate the variation of the Q 2 Figure 36: Light ...

Page 24

L7800 SERIES TO-3 MECHANICAL DATA DIM. MIN 0. 3. 24/34 mm. TYP MAX. MIN. 11.85 1.05 1.10 0.037 1.70 8.7 20.0 10.9 16.9 26.2 4.09 0.152 39.5 30.10 P ...

Page 25

TO-220 (A TYPE) MECHANICAL DATA mm. DIM. MIN. TYP A 4.40 b 0.61 b1 1.15 c 0.49 D 15.25 E 10.0 e 2.4 e1 4.95 F 1.23 H1 6.2 J1 2.40 L 13.0 L1 3.5 L20 16.4 L30 28.9 P ...

Page 26

L7800 SERIES TO-220 (C TYPE) MECHANICAL DATA DIM. MIN. A 4.30 b 0.70 b1 1. 2.20 L 12.88 L1 L20 15.70 L30 P 3.50 Q 2.70 26/34 mm. TYP ...

Page 27

TO-220 (E TYPE) MECHANICAL DATA mm. DIM. MIN. TYP A 4.47 b 0.70 b1 1.17 c 0.31 D 14.60 E 9.96 e 2.54 e1 5.08 F 1.17 H1 6.1 J1 2.52 L 12.70 L1 3.20 L20 15.21 P 3.73 Q ...

Page 28

L7800 SERIES TO-220FP MECHANICAL DATA DIM. MIN. A 4.40 B 2.5 D 2.5 E 0.45 F 0.75 F1 1.15 F2 1.15 G 4.95 G1 2 28.6 L4 9.8 L5 2 DIA. 3 ...

Page 29

TO-220FM MECHANICAL DATA mm. DIM. MIN. TYP A 4.50 B 2.34 D 2.56 E 0.45 0. 5.08 G1 2.34 2.54 H 9.96 L2 15.8 L4 9.45 L6 15.67 L7 8.99 L8 3.30 DIA. 3.08 inch MAX. ...

Page 30

L7800 SERIES 2 D PAK (A TYPE) MECHANICAL DATA DIM. MIN. A 4.4 A1 0.03 b 0.7 b2 1.14 c 0.45 c2 1. 2.49 L 2.29 ...

Page 31

D PAK (C TYPE) MECHANICAL DATA mm. DIM. MIN. TYP A 4 0.70 b2 1.17 c 0.45 0.50 c2 1.25 1.30 D 9.0 9.2 D1 7.5 E 9.8 E1 7.5 e 2. ...

Page 32

L7800 SERIES & Reel D PAK-P DIM. MIN 12 10.50 Bo 15.70 Ko 4.80 Po 3.9 P 11.9 32/ PAK-D PAK/A-P PAK/A MECHANICAL DATA mm. TYP ...

Page 33

Table 24: Revision History Date Revision 09-Nov-2004 12 Description of Changes Add New Part Number. L7800 SERIES 33/34 ...

Page 34

... No license is granted by implication or otherwise under any patent or patent rights of STMicroelectronics. Specifications mentioned in this publication are subject to change without notice. This publication supersedes and replaces all information previously supplied. STMicroelectronics products are not authorized for use as critical components in life support devices or systems without express written approval of STMicroelectronics ...

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