Is Now Part of To learn more about ON Semiconductor, please visit our website at www.onsemi.com Please note: As part of the Fairchild Semiconductor integration, some of the Fairchild orderable part numbers will need to change in order to meet ON Semiconductor’s system requirements. Since the ON Semiconductor product management systems do not have the ability to manage part nomenclature that utilizes an underscore (_), the underscore (_) in the Fairchild part numbers will be changed to a dash (-). This document may contain device numbers with an underscore (_). Please check the ON Semiconductor website to verify the updated device numbers. The most current and up-to-date ordering information can be found at www.onsemi.com. Please email any questions regarding the system integration to Fairchild_questions@onsemi.com. ON Semiconductor and the ON Semiconductor logo are trademarks of Semiconductor Components Industries, LLC dba ON Semiconductor or its subsidiaries in the United States and/or other countries. ON Semiconductor owns the rights to a number of patents, trademarks, copyrights, trade secrets, and other intellectual property. A listing of ON Semiconductor’s product/patent coverage may be accessed at www.onsemi.com/site/pdf/Patent-Marking.pdf. ON Semiconductor reserves the right to make changes without further notice to any products herein. ON Semiconductor makes no warranty, representation or guarantee regarding the suitability of its products for any particular purpose, nor does ON Semiconductor assume any liability arising out of the application or use of any product or circuit, and specifically disclaims any and all liability, including without limitation special, consequential or incidental damages. Buyer is responsible for its products and applications using ON Semiconductor products, including compliance with all laws, regulations and safety requirements or standards, regardless of any support or applications information provided by ON Semiconductor. “Typical” parameters which may be provided in ON Semiconductor data sheets and/or specifications can and do vary in different applications and actual performance may vary over time. All operating parameters, including “Typicals” must be validated for each customer application by customer’s technical experts. ON Semiconductor does not convey any license under its patent rights nor the rights of others. ON Semiconductor products are not designed, intended, or authorized for use as a critical component in life support systems or any FDA Class 3 medical devices or medical devices with a same or similar classification in a foreign jurisdiction or any devices intended for implantation in the human body. Should Buyer purchase or use ON Semiconductor products for any such unintended or unauthorized application, Buyer shall indemnify and hold ON Semiconductor and its officers, employees, subsidiaries, affiliates, and distributors harmless against all claims, costs, damages, and expenses, and reasonable attorney fees arising out of, directly or indirectly, any claim of personal injury or death associated with such unintended or unauthorized use, even if such claim alleges that ON Semiconductor was negligent regarding the design or manufacture of the part. ON Semiconductor is an Equal Opportunity/Affirmative Action Employer. This literature is subject to all applicable copyright laws and is not for resale in any manner.

M C 7 8 April 2015 X X E — 3 - MC78XXE T e r m 3-Terminal 1A Positive Voltage Regulator i n a l 1 A P Features Description o s i • Output Current up to 1 A The MC78XXE series of three terminal positive regula- t i v • Output Voltages of 5 V, 12 V tors are available in the D-PAK package and with several e • Thermal Overload Protection fixed output voltages, making them useful in a wide range V of applications. Each type employs internal current limit- o • Short-Circuit Protection ing, thermal shut down and safe operating area protec- lta • Output Transistor Safe Operating Area Protection g tion, making it essentially indestructible. If adequate heat e sinking is provided, they can deliver over 1 A output cur- R rent. Although designed primarily as fixed voltage regula- e g tors, these devices can be used with external u components to obtain adjustable voltages and currents. l a t o D-PAK r GND 1 1. Input 2. GND 3. Output Ordering Information Output Voltage Operating Product Number Marking Package Packing Method Tolerance Temperature MC7805ECDTX MC7805 TO-252 3L (D-PAK) Tape and Reel ±4% -40 to +125°C MC7812ECDTX MC7812 TO-252 3L (D-PAK) Tape and Reel © 2003 Fairchild Semiconductor Corporation www.fairchildsemi.com MC78XXE Rev. 1.6

M C Block Diagram 7 8 X X E — INPUT SERIES OUTPUT 3 PASS - 1 ELEMENT 3 T e r m CGUERNRERENATTOR SOA in PROTECTION a l 1 A STARTING REFERENCE ERROR P CIRCUIT VOLTAGE AMPLIFIER o s i t i v e THERMAL V PROTECTION o l t a g e GND R 2 e g u l Figure 1. Block Diagram a t o r Absolute Maximum Ratings Stresses exceeding the absolute maximum ratings may damage the device. The device may not function or be opera- ble above the recommended operating conditions and stressing the parts to these levels is not recommended. In addi- tion, extended exposure to stresses above the recommended operating conditions may affect device reliability. The absolute maximum ratings are stress ratings only. Values are at T = 25°C unless otherwise noted. A Symbol Parameter Value Unit V Input Voltage V = 5 V to 18 V 35 V I O T Operating Temperature Range -40 to +125 °C OPR T Storage Temperature Range -65 to +150 °C STG © 2003 Fairchild Semiconductor Corporation www.fairchildsemi.com MC78XXE Rev. 1.6 2

M C Electrical Characteristics (MC7805E) 7 8 Refer to test circuit, -40°C < T < 125°C, I = 500 mA, V = 10 V, C = 0.33 μF, C = 0.1 μF, unless otherwise specified. X J O I I O X E Symbol Parameter Conditions Min. Typ. Max. Unit — TJ = +25°C 4.80 5.00 5.20 3 VO Output Voltage 5.0 mA ≤IO ≤1.0 A, PO ≤15 W, 4.75 5.00 5.25 V -Te V = 7 V to 20 V I r m V = 7 V to 25 V 4 100 Regline Line Regulation(1) T = +25°C I mV in J V = 8 V to 12 V 1.6 50 a I l I = 5.0 mA to 1.5 A 9 100 1 Regload Load Regulation(1) T = +25°C O mV A J IO = 250 mA to 750 mA 4 50 P o IQ Quiescent Current TJ = +25°C 5 8 mA s i t ΔI Quiescent Current Change IO = 5 mA to 1.0 A 0.03 0.50 mA iv Q e VI = 7 V to 25 V 0.3 1.3 V ΔV /ΔT Output Voltage Drift(2) I = 5 mA -0.8 mV/°C o O O l t V Output Noise Voltage f = 10 Hz to 100 kHz, T = +25°C 42 μV a N A g RR Ripple Rejection(2) f = 120 Hz, VO = 8 V to 18 V 62 73 dB e R V Dropout Voltage I = 1 A, T = +25°C 2 V e Drop O J g r Output Resistance(2) f = 1 kHz 15 mΩ u O l a ISC Short Circuit Current VI = 35 V, TA = +25°C 230 mA to I Peak Current(2) T = +25°C 2.2 A r PK J Notes: 1. Load and line regulation are specified at constant junction temperature. Changes in V due to heating effects must O be taken into account separately. Pulse testing with low duty is used. 2. These parameters, although guaranteed, are not 100% tested in production. © 2003 Fairchild Semiconductor Corporation www.fairchildsemi.com MC78XXE Rev. 1.6 3

M C Electrical Characteristics (MC7812E) 7 8 Refer to test circuit, -40°C < T < 125°C, I = 500 mA, V =19 V, C = 0.33 μF, C = 0.1 μF, unless otherwise specified. X J O I I O X E Symbol Parameter Conditions Min. Typ. Max. Unit — TJ = +25°C 11.5 12.0 12.5 3 VO Output Voltage 5.0 mA ≤ IO ≤ 1.0 A, PO ≤ 15 W, 11.4 12.0 12.6 V -Te V = 14.5 V to 27 V I r m V = 14.5 V to 30 V 10 240 Regline Line Regulation(3) T = +25°C I mV in J V = 16 V to 22 V 3 120 a I l I = 5 mA to 1.5 A 11 240 1 Regload Load Regulation(3) T = +25°C O mV A J IO = 250 mA to 750 mA 5 120 P o IQ Quiescent Current TJ = +25°C 5.1 8.0 mA s i t ΔI Quiescent Current Change IO = 5 mA to 1.0 A 0.1 0.5 mA iv Q e VI = 14.5 V to 30 V 0.5 1.0 V ΔV /ΔT Output Voltage Drift(4) I = 5 mA -1 mV/°C o O O l t V Output Noise Voltage f = 10 Hz to 100 kHz, T = +25°C 76 μV a N A g RR Ripple Rejection(4) f = 120 Hz, VI = 15 V to 25 V 55 71 dB e R V Dropout Voltage I = 1 A, T = +25°C 2 V e Drop O J g r Output Resistance(4) f = 1 kHz 18 mΩ u O l a ISC Short Circuit Current VI = 35 V, TA = +25°C 230 mA to I Peak Current(4) T = +25°C 2.2 A r PK J Notes: 3. Load and line regulation are specified at constant junction temperature. Changes in V due to heating effects must O be taken into account separately. Pulse testing with low duty is used. 4. These parameters, although guaranteed, are not 100% tested in production. © 2003 Fairchild Semiconductor Corporation www.fairchildsemi.com MC78XXE Rev. 1.6 4

M C Typical Performance Characteristics 7 8 X X E — I 3 - T e r m i n a l 1 A P o s i t i v e V o Figure 2. Quiescent Current Figure 3. Peak Output Current lt a g e R e g u l a t o r Figure 4. Output Voltage Figure 5. Quiescent Current © 2003 Fairchild Semiconductor Corporation www.fairchildsemi.com MC78XXE Rev. 1.6 5

M C Typical Applications 7 8 X X E 1 3 — MC78XXE Input Output 3 - T 2 e r CI CO m 0.33uF 0.1uF i n a l 1 A P o s Figure 6. DC Parameters it i v e V o l t a 1 3 g MC78XXE e Input Output R e 2 RL 270pF g VO u l a t o 0.33uF 2N6121 V OV r O OR EQ. 100Ω 30uS Figure 7. Load Regulation 5.1Ω 1 3 MC78XXE Input Output 2 0.33uF R L 470uF + 120Hz Figure 8. Ripple Rejection © 2003 Fairchild Semiconductor Corporation www.fairchildsemi.com MC78XXE Rev. 1.6 6

M C Typical Applications (Continued) 7 8 X X E — 1 3 MC78XXE 3 Input Output -T e 2 rm CI CO i 0.33uF 0.1uF n a l 1 A P o s i t Figure 9. Fixed Output Regulator iv e V o l t a 1 3 g Input MC78XXE Output e R 2 0.1uF R1 VXX eg 0.33uF IQ CO ul a t o IO r R V L I = XX + I O R Q 1 Figure 10. Constant Current Regulator Notes: 5. 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 point on the input ripple voltage. 6. C is required if regulator is located an appreciable distance from power Supply filter. I 7. C improves stability and transient response. O 1 3 Input MC78XXE Output 2 VXX 0.1uF R1 Cl Co 0.33uF IQ I ≥ 5IQ R2 RI VO = V (1+R /R )+I R XX 2 1 Q 2 Figure 11. Circuit for Increasing Output Voltage © 2003 Fairchild Semiconductor Corporation www.fairchildsemi.com MC78XXE Rev. 1.6 7

M C Typical Applications (Continued) 7 8 X X E — 1 3 Input MC7805E Output 3 - T e 2 r m i n Cl a 0.33uF 6 _ 2 0.1uF l 1 A LM741 3 Co + 10kΩ P 4 o s i t i v e V o IRI ≥ 5IQ lt VO = V (1+R /R )+I R a XX 2 1 Q 2 g e Figure 12. Adjustable Output Regulator (7 to 30V) R e g u Q1 BD536 l a Input t o I Q1 r R1 1 3 MC78XXE Output 3Ω IREG I O 2 0.1uF V 0.33uF BEQ1 R = 1 I - I B REG Q1/ Q1 I = I +B (I - V /R ) O REG Q1 REG BEO1 1 Figure 13. High Current Voltage Regulator R Q1 SC Input Q2 R1 3 MC78XXE Output 3Ω 2 0.33uF 0.1uF Q1 = TIP42 Q2 = TIP42 V BEQ2 R = SC I SC Figure 14. High Output Current with Short Circuit Protection © 2003 Fairchild Semiconductor Corporation www.fairchildsemi.com MC78XXE Rev. 1.6 8

M C Typical Applications (Continued) 7 8 X X E 1 3 — VI MC78XXE VO 3 - 2 T e r 0.33uF m 0.1uF 4.7KΩ i n a COMMON l 7 _ 2 COMMON 1A 6 P LM741 o + s 4 3 it i v 4.7KΩ e V o l t a g -VIN -V e TIP42 O R e Figure 15. Tracking Voltage Regulator g u l a t o 1 3 r MC7812E +20V +12V 2 0.1uF 1N4001 0.33uF 1uF + + 2.2uF 1N4001 1 MC7912E 2 3 -20V -12V Figure 16. Split Power Supply (±12 V - 1 A) © 2003 Fairchild Semiconductor Corporation www.fairchildsemi.com MC78XXE Rev. 1.6 9

M C Typical Applications (Continued) 7 8 X X Output E Input — + 3 - 0.1uF T e r m 2 i n 1 a l MC78XXE 1 A P o s i t i v e Figure 17. Negative Output Voltage Circuit V o l t a g 1mH e R Input Output e g u l a 4.7Ω 470Ω to r Z1 1 3 MC78XXE + 0.33uF 2 + 2000uF 10uF 0.5Ω Figure 18. Switching Regulator © 2003 Fairchild Semiconductor Corporation www.fairchildsemi.com MC78XXE Rev. 1.6 10

M C Physical Dimensions 7 8 X X E — 3 - T (cid:41) e r (cid:25)(cid:17)(cid:27)(cid:19) (cid:36) (cid:3)(cid:24)(cid:17)(cid:24)(cid:24)(cid:3)(cid:48)(cid:44)(cid:49)(cid:3) m (cid:3)(cid:25)(cid:17)(cid:23)(cid:19)(cid:3) i n a l (cid:21) 1 (cid:19)(cid:17)(cid:28)(cid:19) A (cid:41)(cid:3)(cid:19)(cid:17)(cid:24)(cid:19)(cid:3) (cid:3)(cid:25)(cid:24)(cid:17)(cid:17)(cid:22)(cid:28)(cid:19)(cid:19)(cid:3) (cid:41) (cid:3)(cid:25)(cid:17)(cid:24)(cid:19)(cid:3)(cid:48)(cid:44)(cid:49)(cid:3) Po s i t (cid:3)(cid:25)(cid:17)(cid:23)(cid:19)(cid:3) iv e (cid:21)(cid:17)(cid:28)(cid:19) (cid:21) V (cid:3)(cid:21)(cid:17)(cid:24)(cid:19)(cid:3) (cid:20) (cid:22) (cid:38) (cid:3)(cid:21)(cid:17)(cid:27)(cid:24)(cid:3)(cid:48)(cid:44)(cid:49)(cid:3) ol (cid:20) (cid:22) ta (cid:3)(cid:19)(cid:17)(cid:28)(cid:25)(cid:3)(cid:48)(cid:36)(cid:59)(cid:3) g (cid:3)(cid:19)(cid:17)(cid:25)(cid:23)(cid:3) (cid:3)(cid:21)(cid:17)(cid:21)(cid:27)(cid:3) e (cid:3)(cid:19)(cid:19)(cid:17)(cid:17)(cid:27)(cid:25)(cid:25)(cid:25)(cid:3) (cid:3)(cid:21)(cid:21)(cid:17)(cid:17)(cid:23)(cid:19)(cid:27)(cid:27)(cid:3) (cid:3)(cid:23)(cid:17)(cid:24)(cid:25)(cid:3) (cid:3)(cid:20)(cid:17)(cid:21)(cid:24)(cid:3)(cid:48)(cid:44)(cid:49)(cid:3) Re g (cid:47)(cid:36)(cid:49)(cid:39)(cid:3)(cid:51)(cid:36)(cid:55)(cid:55)(cid:40)(cid:53)(cid:49)(cid:3)(cid:53)(cid:40)(cid:38)(cid:50)(cid:48)(cid:48)(cid:40)(cid:49)(cid:39)(cid:36)(cid:55)(cid:44)(cid:50)(cid:49) u (cid:37) (cid:41) la (cid:41) (cid:3)(cid:21)(cid:21)(cid:17)(cid:17)(cid:23)(cid:21)(cid:19)(cid:19)(cid:3) to (cid:24)(cid:17)(cid:25)(cid:23) r (cid:3)(cid:24)(cid:17)(cid:19)(cid:23)(cid:3) (cid:41)(cid:3)(cid:19)(cid:19)(cid:17)(cid:17)(cid:25)(cid:23)(cid:19)(cid:19)(cid:3) (cid:3)(cid:23)(cid:17)(cid:27)(cid:22)(cid:3)(cid:48)(cid:44)(cid:49)(cid:3) (cid:3)(cid:25)(cid:17)(cid:27)(cid:19)(cid:3) (cid:21) (cid:28)(cid:17)(cid:27)(cid:19) (cid:54)(cid:40)(cid:40)(cid:3)(cid:39)(cid:40)(cid:55)(cid:36)(cid:44)(cid:47)(cid:3)(cid:36) (cid:41) (cid:3)(cid:28)(cid:17)(cid:21)(cid:19)(cid:3) (cid:19)(cid:17)(cid:20)(cid:19) (cid:37) (cid:42)(cid:36)(cid:42)(cid:40)(cid:3)(cid:51)(cid:47)(cid:36)(cid:49)(cid:40) (cid:41) (cid:19)(cid:17)(cid:25)(cid:19) (cid:41)(cid:3)(cid:20)(cid:17)(cid:19)(cid:21)(cid:3) (cid:3)(cid:19)(cid:17)(cid:23)(cid:19)(cid:3) (cid:3)(cid:20)(cid:17)(cid:24)(cid:26)(cid:3) (cid:27)(cid:131) (cid:3)(cid:19)(cid:131)(cid:3) (cid:49)(cid:50)(cid:55)(cid:40)(cid:54)(cid:29)(cid:56)(cid:49)(cid:47)(cid:40)(cid:54)(cid:54)(cid:3)(cid:50)(cid:55)(cid:43)(cid:40)(cid:53)(cid:58)(cid:44)(cid:54)(cid:40)(cid:3)(cid:54)(cid:51)(cid:40)(cid:38)(cid:44)(cid:41)(cid:44)(cid:40)(cid:39) (cid:36)(cid:12)(cid:3)(cid:3)(cid:3)(cid:49)(cid:50)(cid:55)(cid:3)(cid:38)(cid:50)(cid:48)(cid:51)(cid:47)(cid:44)(cid:36)(cid:49)(cid:55)(cid:3)(cid:55)(cid:50)(cid:3)(cid:45)(cid:40)(cid:39)(cid:40)(cid:38)(cid:3)(cid:55)(cid:50)(cid:16)(cid:21)(cid:24)(cid:21)(cid:3)(cid:57)(cid:36)(cid:53)(cid:44)(cid:36)(cid:55)(cid:44)(cid:50)(cid:49)(cid:3)(cid:36)(cid:37) (cid:37)(cid:12)(cid:3)(cid:3)(cid:3)(cid:36)(cid:47)(cid:47)(cid:3)(cid:39)(cid:44)(cid:48)(cid:40)(cid:49)(cid:54)(cid:44)(cid:50)(cid:49)(cid:3)(cid:36)(cid:53)(cid:40)(cid:3)(cid:44)(cid:49)(cid:3)(cid:48)(cid:44)(cid:47)(cid:47)(cid:44)(cid:48)(cid:40)(cid:55)(cid:40)(cid:53) (cid:3)(cid:19)(cid:17)(cid:20)(cid:21)(cid:26)(cid:3)(cid:48)(cid:36)(cid:59)(cid:3) (cid:38)(cid:12)(cid:3)(cid:3)(cid:3)(cid:39)(cid:44)(cid:48)(cid:40)(cid:49)(cid:54)(cid:44)(cid:50)(cid:49)(cid:54)(cid:3)(cid:36)(cid:53)(cid:40)(cid:3)(cid:40)(cid:59)(cid:38)(cid:47)(cid:56)(cid:54)(cid:44)(cid:57)(cid:40)(cid:3)(cid:50)(cid:41)(cid:3)(cid:37)(cid:56)(cid:53)(cid:53)(cid:54)(cid:15)(cid:48)(cid:50)(cid:47)(cid:39)(cid:3)(cid:41)(cid:47)(cid:36)(cid:54)(cid:43)(cid:15) (cid:39)(cid:40)(cid:55)(cid:36)(cid:44)(cid:47)(cid:3)(cid:36)(cid:3) (cid:3)(cid:19)(cid:17)(cid:24)(cid:24)(cid:3)(cid:48)(cid:44)(cid:49)(cid:3) (cid:3)(cid:3)(cid:3)(cid:3)(cid:3)(cid:3)(cid:3)(cid:36)(cid:49)(cid:39)(cid:3)(cid:55)(cid:44)(cid:40)(cid:3)(cid:37)(cid:36)(cid:53)(cid:3)(cid:40)(cid:59)(cid:55)(cid:53)(cid:56)(cid:54)(cid:44)(cid:50)(cid:49)(cid:54) (cid:54)(cid:40)(cid:36)(cid:55)(cid:44)(cid:49)(cid:42)(cid:3)(cid:51)(cid:47)(cid:36)(cid:49)(cid:40) (cid:54)(cid:38)(cid:36)(cid:47)(cid:40)(cid:3)(cid:20)(cid:19)(cid:3)(cid:29)(cid:3)(cid:20) (cid:41) (cid:39)(cid:12)(cid:3)(cid:3)(cid:3)(cid:47)(cid:36)(cid:39)(cid:3)(cid:51)(cid:36)(cid:55)(cid:55)(cid:40)(cid:53)(cid:49)(cid:3)(cid:51)(cid:40)(cid:53)(cid:3)(cid:44)(cid:51)(cid:38)(cid:26)(cid:22)(cid:24)(cid:20)(cid:36)(cid:3)(cid:36)(cid:55)(cid:36)(cid:49)(cid:39)(cid:36)(cid:53)(cid:39)(cid:3) (cid:3)(cid:3)(cid:3)(cid:3)(cid:3)(cid:3)(cid:3)(cid:55)(cid:50)(cid:21)(cid:21)(cid:27)(cid:51)(cid:28)(cid:28)(cid:20)(cid:59)(cid:21)(cid:22)(cid:28)(cid:16)(cid:22)(cid:49) (cid:40)(cid:12)(cid:3)(cid:3)(cid:3)(cid:39)(cid:53)(cid:36)(cid:58)(cid:44)(cid:49)(cid:42)(cid:3)(cid:41)(cid:44)(cid:47)(cid:40)(cid:3)(cid:49)(cid:36)(cid:48)(cid:40)(cid:29)(cid:48)(cid:46)(cid:55)(cid:16)(cid:55)(cid:50)(cid:21)(cid:24)(cid:21)(cid:39)(cid:19)(cid:22)(cid:53)(cid:40)(cid:57)(cid:22)(cid:17) (cid:41)(cid:12)(cid:3)(cid:3)(cid:3)(cid:39)(cid:50)(cid:40)(cid:54)(cid:3)(cid:49)(cid:50)(cid:55)(cid:3)(cid:38)(cid:50)(cid:48)(cid:51)(cid:47)(cid:60)(cid:3)(cid:45)(cid:40)(cid:39)(cid:40)(cid:38)(cid:3)(cid:54)(cid:55)(cid:36)(cid:49)(cid:39)(cid:36)(cid:53)(cid:39)(cid:3)(cid:57)(cid:36)(cid:47)(cid:56)(cid:40)(cid:17) (cid:42)(cid:12)(cid:3)(cid:3)(cid:3)(cid:41)(cid:36)(cid:44)(cid:53)(cid:38)(cid:43)(cid:44)(cid:47)(cid:39)(cid:3)(cid:54)(cid:40)(cid:48)(cid:44)(cid:38)(cid:50)(cid:49)(cid:39)(cid:56)(cid:38)(cid:55)(cid:50)(cid:53)(cid:17) Figure 19. 3LEAD, TO-252, NOT COMPLIANT JEDEC TO-252 VAR. AB, SURFACE MOUNT (DPAK) © 2003 Fairchild Semiconductor Corporation www.fairchildsemi.com MC78XXE Rev. 1.6 11

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