KA7805R Fairchild, KA7805R Datasheet

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KA7805R

Manufacturer Part Number
KA7805R
Description
3-Terminal 1A Positive Voltage Regulator
Manufacturer
Fairchild
Datasheet
1.KA7805R.pdf (28 pages)

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Meier Automation Equipment Co., Limited Meier Automation Equipment Co., Limited
Part Number:
KA7805R
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20 000
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Features
• Output Current up to 1A
• Output Voltages of 5, 6, 8, 9, 10, 12, 15, 18, 24V
• Thermal Overload Protection
• Short Circuit Protection
• Output Transistor Safe Operating Area Protection
Internal Block Digram
©2001 Fairchild Semiconductor Corporation
KA78XX/KA78XXA
3-Terminal 1A Positive Voltage Regulator
Description
The KA78XX/KA78XXA series of three-terminal positive
regulator are available in the TO-220/D-PAK package and
with several fixed output voltages, making them useful in a
wide range of applications. Each type employs internal
current limiting, thermal shut down and safe operating area
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 voltages and currents.
TO-220
1. Input 2. GND 3. Output
D-PAK
1
1
www.fairchildsemi.com
Rev. 1.0.0

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KA7805R Summary of contents

Page 1

... Output Voltages 10, 12, 15, 18, 24V • Thermal Overload Protection • Short Circuit Protection • Output Transistor Safe Operating Area Protection Internal Block Digram ©2001 Fairchild Semiconductor Corporation www.fairchildsemi.com Description The KA78XX/KA78XXA series of three-terminal positive regulator are available in the TO-220/D-PAK package and with several fixed output voltages, making them useful in a wide range of applications ...

Page 2

... Input Voltage (for 18V) O (for V = 24V) O Thermal Resistance Junction-Cases (TO-220) Thermal Resistance Junction-Air (TO-220) Operating Temperature Range (KA78XX/A/R) Storage Temperature Range Electrical Characteristics (KA7805/KA7805R) (Refer to test circuit ,0 C < T < 125 Parameter Symbol Output Voltage V Line Regulation (Note1) Regline Load Regulation (Note1) ...

Page 3

Electrical Characteristics (KA7806/KA7806R) (Refer to test circuit ,0 C < T < 125 Parameter Symbol Output Voltage Line Regulation (Note1) Regline Load Regulation (Note1) Regload Quiescent Current Quiescent Current Change Output Voltage Drift Output Noise Voltage Ripple ...

Page 4

KA78XX/KA78XXA Electrical Characteristics (KA7808/KA7808R) (Refer to test circuit ,0 C < T < 125 Parameter Output Voltage Line Regulation (Note1) Load Regulation (Note1) Quiescent Current Quiescent Current Change Output Voltage Drift Output Noise Voltage Ripple Rejection Dropout ...

Page 5

Electrical Characteristics (KA7809/KA7809R) (Refer to test circuit ,0 C < T < 125 Parameter Symbol Output Voltage V O Line Regulation (Note1) Regline Load Regulation (Note1) Regload Quiescent Current I Q Quiescent Current Change I Output Voltage ...

Page 6

KA78XX/KA78XXA Electrical Characteristics (KA7810) (Refer to test circuit ,0 C < T < 125 Parameter Symbol Output Voltage V O Line Regulation (Note1) Regline Load Regulation (Note1) Regload Quiescent Current I Q Quiescent Current Change I Output ...

Page 7

KA78XX/KA78XXA Electrical Characteristics (KA7812/KA7812R) (Refer to test circuit ,0 C < T < 125 Parameter Symbol Output Voltage V Line Regulation (Note1) Regline Load Regulation (Note1) Regload T Quiescent Current Quiescent Current Change Output Voltage Drift V ...

Page 8

Electrical Characteristics (KA7815) (Refer to test circuit ,0 C < T < 125 Parameter Symbol Output Voltage V Line Regulation (Note1) Regline Load Regulation (Note1) Regload Quiescent Current I Quiescent Current Change Output Voltage Drift V O ...

Page 9

KA78XX/KA78XXA Electrical Characteristics (KA7818) (Refer to test circuit ,0 C < T < 125 Parameter Symbol Output Voltage V O Line Regulation (Note1) Regline Load Regulation (Note1) Regload Quiescent Current I Q Quiescent Current Change I Output ...

Page 10

Electrical Characteristics (KA7824) (Refer to test circuit ,0 C < T < 125 Parameter Symbol Output Voltage V O Line Regulation (Note1) Regline T Load Regulation (Note1) Regload T Quiescent Current I Q Quiescent Current Change I ...

Page 11

KA78XX/KA78XXA Electrical Characteristics (KA7805A) o (Refer to the test circuits < fied) Parameter Symbol Output Voltage V Line Regulation (Note1) Regline Load Regulation (Note1) Regload Quiescent Current I Q Quiescent Current I Change Output Voltage Drift ...

Page 12

Electrical Characteristics (KA7806A) o (Refer to the test circuits < fied) Parameter Output Voltage Line Regulation (Note1) Load Regulation (Note1) Quiescent Current Quiescent Current Change Output Voltage Drift Output Noise Voltage Ripple Rejection Dropout Voltage Output ...

Page 13

KA78XX/KA78XXA Electrical Characteristics (KA7808A) o (Refer to the test circuits < T < +125 J fied) Parameter Output Voltage Line Regulation (Note1) Load Regulation (Note1) Quiescent Current Quiescent Current Change Output Voltage Drift Output Noise Voltage Ripple Rejection ...

Page 14

Electrical Characteristics (KA7809A) o (Refer to the test circuits < fied) Parameter Output Voltage Line Regulation (Note1) Load Regulation (Note1) Quiescent Current Quiescent Current Change Output Voltage Drift Output Noise Voltage Ripple Rejection Dropout Voltage Output ...

Page 15

KA78XX/KA78XXA Electrical Characteristics (KA7810A) o (Refer to the test circuits < T < +125 J fied) Parameter Symbol Output Voltage Line Regulation (Note1) Regline Load Regulation (Note1) Regload Quiescent Current Quiescent Current Change Output Voltage Drift Output Noise ...

Page 16

KA78XX/KA78XXA Electrical Characteristics (KA7812A) o (Refer to the test circuits < T < +125 J fied) Parameter Symbol Output Voltage Line Regulation (Note1) Regline Load Regulation (Note1) Regload Quiescent Current Quiescent Current Change Output Voltage Drift Output Noise ...

Page 17

Electrical Characteristics (KA7815A) o (Refer to the test circuits < fied) Parameter Symbol Output Voltage Line Regulation (Note1) Regline Load Regulation (Note1) Regload Quiescent Current Quiescent Current Change Output Voltage Drift Output Noise Voltage Ripple Rejection ...

Page 18

KA78XX/KA78XXA Electrical Characteristics (KA7818A) o (Refer to the test circuits < T < +125 J fied) Parameter Symbol Output Voltage Line Regulation (Note1) Regline Load Regulation (Note1) Regload Quiescent Current Quiescent Current Change Output Voltage Drift Output Noise ...

Page 19

Electrical Characteristics (KA7824A) o (Refer to the test circuits < T < +125 J fied) Parameter Symbol Output Voltage Line Regulation (Note1) Regline Load Regulation (Note1) Regload Quiescent Current Quiescent Current Change Output Voltage Drift Output Noise Voltage ...

Page 20

KA78XX/KA78XXA Typical Perfomance Characteristics I Figure 1. Quiescent Current Figure 3. Output Voltage 20 Figure 2. Peak Output Current Figure 4. Quiescent Current ...

Page 21

Typical Applications Input Input Input Figure 5. DC Parameters Figure 6. Load Regulation Figure 7. Ripple Rejection Input Figure 8. Fixed Output Regulator KA78XX/KA78XXA Output Output Output Output 21 ...

Page 22

KA78XX/KA78XXA Notes: (1) To specify an output voltage. substitute voltage value for "XX." A common ground is required between the input and the Output voltage. The input voltage must remain typically 2.0V above the output voltage even during the low ...

Page 23

Input Figure 12. High Current Voltage Regulator Input Figure 13. High Output Current with Short Circuit Protection Figure 14. Tracking Voltage Regulator KA78XX/KA78XXA Output Output 23 ...

Page 24

KA78XX/KA78XXA Input 24 Figure 15. Split Power Supply ( ±15V-1A) Figure 16. Negative Output Voltage Circuit Input Figure 17. Switching Regulator Output Output ...

Page 25

Mechanical Dimensions Package 9.90 0.20 (8.70) ø3.60 0.10 1.27 0.10 2.54TYP [2.54 ] 0.20 10.00 0.20 TO-220 1.52 0.10 0.80 0.10 +0.10 0.50 –0.05 2.54TYP [2.54 ] 0.20 KA78XX/KA78XXA 4.50 0.20 +0.10 1.30 –0.05 2.40 0.20 25 ...

Page 26

KA78XX/KA78XXA Mechancal Dimensions Package 6.60 0.20 5.34 0.30 (0.50) (4.34) MAX0.96 2.30TYP [2.30 0.20] 26 (Continued) D-PAK (0.50) 0.76 0.10 2.30TYP [2.30 0.20] 6.60 0.20 (5.34) (5.04) (1.50) (2XR0.25) 2.30 0.10 0.50 0.10 0.50 0.10 1.02 0.20 2.30 0.20 0.76 ...

Page 27

... Ordering Information Product Number Output Voltage Tolerance KA7805 / KA7806 KA7808 / KA7809 KA7810 KA7812 / KA7815 KA7818 / KA7824 KA7805A / KA7806A KA7808A / KA7809A KA7810A / KA7812A KA7815A / KA7818A KA7824A KA7805R / KA7806R KA7808R / KA7809R KA7812R Package Operating Temperature ±4% TO-220 ±2% D-PAK ±4% KA78XX/KA78XXA 125 C 27 ...

Page 28

... DOES IT CONVEY ANY LICENSE UNDER ITS PATENT RIGHTS, NOR THE RIGHTS OF OTHERS. LIFE SUPPORT POLICY FAIRCHILD’S PRODUCTS ARE NOT AUTHORIZED FOR USE AS CRITICAL COMPONENTS IN LIFE SUPPORT DEVICES OR SYSTEMS WITHOUT THE EXPRESS WRITTEN APPROVAL OF THE PRESIDENT OF FAIRCHILD SEMICONDUCTOR CORPORATION. As used herein: 1 ...

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