Nexperia

NEX8080 series

Wide Vcc range multi-mode flyback controller

Contents

1. General description......................................................1

2. Features and benefits.................................................. 1

3. Applications.................................................................. 1

4. Ordering information....................................................2

5. Marking..........................................................................2

6. Device comparison.......................................................2

7. Pinning information......................................................2

7.1. Pinning.........................................................................2

7.2. Pin description.............................................................3

8. Product specifications................................................. 3

8.1. Limiting values.............................................................3

8.2. Thermal characteristics................................................3

8.3. Recommended operating conditions........................... 3

8.4. Electrical characteristics.............................................. 4

8.5. Typical characteristics..................................................6

9. Detailed Description.....................................................8

9.1. Overview......................................................................8

9.2. Functional block diagram.............................................8

9.3. Feature description......................................................9

9.3.1. Startup...................................................................... 9

9.3.2. Brown-in/brown-out.................................................10

9.3.3. VCC holding mode...................................................11

9.3.4. Current sense and peak current control..................11

9.3.5. Soft start................................................................. 11

9.3.6. Voltage control loop................................................11

9.3.7. Multimode operation............................................... 12

9.3.8. Burst mode control................................................. 12

9.3.9. ZCD voltage detection............................................ 12

9.3.10. Valley switching.................................................... 13

9.3.11. Oscillator frequency.............................................. 13

9.3.12. Peak load mode................................................... 14

9.3.13. Driver.................................................................... 14

9.3.14. Restart.................................................................. 14

9.3.15. Overload protection (OLP)....................................14

9.3.16. Overpower protection (OPP)................................ 14

9.3.17. Over current protection (OCP)..............................14

9.3.18. Secondary rectifier short-circuit protection

(SRSP)............................................................................... 14

9.3.19. Vcc overvoltage protection (VCC OVP).................. 15

9.3.20. Over temperature protection (OTP)...................... 15

9.3.21. CS pin short protection.........................................16

10. Package outline........................................................ 17

11. Abbreviations............................................................ 18

12. Revision history........................................................19

13. Legal information......................................................20

©

Nexperia B.V. 2024. All rights reserved

For more information, please visit: http://www.nexperia.com

For sales office addresses, please send an email to: salesaddresses@nexperia.com

Date of release: 30 September 2024

NEX8080_series

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©

Nexperia B.V. 2024. All rights reserved

Product data sheet

Rev. 1 — 30 September 2024

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