Renesas

Description

Apr 1, 2010 R2A20101BM. (CSP-15). R2A20101NP . (QFN-24). Pin Name. Pin Function. A1, A3, A5. 15, 16, 17. PGND. Power ground. B2, B4. 11, 20. LX. Inductor connection node. C1, C3, C5. 10, 21. VIN. Power supply voltage input. D4. 2010 4 1 R2A20101BM/NP. RJJ03D0786-0300 Rev.3.00 2008.05.14. Page 3 of 9. . R2A20101BM. (CSP-15). ( ). 8. 9. 10. 11. 19. R2A20101NP . (QFN-24) . ( ). 5. 4. 3. 2. 24. 23. 22. 21. 20. 1. 6. 14. 15. 16. 17. 18. 13. 2010 4 1 R2A20101NP . 1. 6. 7. 8. 5. 2. 3. 4. 22. RES#. W18. SH7670. RESET#. 12. . J12. 3.3V. 0.1 F. 0.1 F. 0.1 F. 330K . 4.7K . Power On Reset. 7C7S08 . S29GL064A90TFIR4. 3. IC td = 330K Apr 1, 2010 CRFB. PGND1. VFB. AGND. FIN. 5V. DNF. 68K. 100K. 470K . 332K. 47pF. 4.7 F. 4.7 F. 2.2 H. 5V TO 1.2V STEP DOWN REGULATOR. 5V TO 3.3V LINEAR REGULATOR. R2A20101NP . HD74LV2G14A. RNA50C27AUS. 2005 10 31 R2A20101NP . QFN-24. 170. R2A20101BM. CSP-15. 170. < >. . R2A20101 . . 2.5V 5.5V. . 650mA. . 2MHz. . QFN-24 CSP-15. - . .