Datasheet BD70522GUL (Rohm) - 9

FabricanteRohm
DescripciónUltra Low Iq Buck Converter For Low Power Applications
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BD70522GUL. Typical Performance Curves - continued. TSZ02201-0Q1Q0AJ00400-1-2. 21.Aug.2017 Rev.002

BD70522GUL Typical Performance Curves - continued TSZ02201-0Q1Q0AJ00400-1-2 21.Aug.2017 Rev.002

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BD70522GUL Typical Performance Curves - continued
(Unless otherwise specified Ta=25°C) 1.236 1.854 1.224 1.836 1.212 1.818 ] ] V[ V[ T T U U O 1.200 O V V 1.800 : e e g g at a l tl o o V V t t u 1.188 u 1.782 pt pt u VIN=2.6V u O O VIN=2.6V VIN=3.6V VIN=3.6V 1.176 VIN=4.2V 1.764 VIN=4.2V VIN=5.0V VIN=5.0V VIN=5.5V VIN=5.5V 1.164 1.746 0.001 0.01 0.1 1 10 100 1000 0.001 0.01 0.1 1 10 100 1000 Output Current: I [mA] OUT Output Current: I [mA] OUT Figure 11. Output Voltage vs Output Current Figure 12. Output Voltage vs Output Current (Load Regulation, VOUT=1.2V) (Load Regulation, VOUT=1.8V) 2.575 3.399 2.550 3.366 2.525 3.333 ] ] V[ V[ T T U U O 2.500 O V 3.300 V : e e g g at a l tl o o V V t t u 2.475 u 3.267 pt pt u VIN=2.8V u O O VIN=3.6V VIN=3.6V VIN=4.2V 2.450 VIN=4.2V 3.234 VIN=5.0V VIN=5.0V VIN=5.5V VIN=5.5V 2.425 3.201 0.001 0.01 0.1 1 10 100 1000 0.001 0.01 0.1 1 10 100 1000 Output Current: I [mA] Output Current: I [mA] OUT OUT Figure 13. Output Voltage vs Output Current Figure 14. Output Voltage vs Output Current (Load Regulation, VOUT=2.5V) (Load Regulation, VOUT=3.3V) www.rohm.com
TSZ02201-0Q1Q0AJ00400-1-2
© 2017 ROHM Co., Ltd. All rights reserved. 9/24 TSZ22111 • 15 • 001
21.Aug.2017 Rev.002
Document Outline General Description Features Applications Key Specifications Package Typical Application Circuit Contents Pin Configuration Pin Descriptions Block Diagram Absolute Maximum Ratings Thermal Resistance Recommended Operating Conditions Electrical Characteristics Detailed Descriptions Typical Performance Curves Figure 7. Efficiency vs Output Current Figure 8. Efficiency vs Output Current Figure 9. Efficiency vs Output Current Figure 10. Efficiency vs Output Current Figure 11. Output Voltage vs Output Current Figure 12. Output Voltage vs Output Current Figure 13. Output Voltage vs Output Current Figure 14. Output Voltage vs Output Current Figure 15. Switching Frequency vs Output Current Figure 16. Switching Frequency vs Output Current Figure 17. Switching Frequency vs Output Current Figure 18. Switching Frequency vs Output Current Figure 19. Output Ripple Voltage vs Output Current Figure 20. Output Ripple Voltage vs Output Current Figure 21. Output Ripple Voltage vs Output Current Figure 22. Output Ripple Voltage vs Output Current Figure 23. Load Transient Response Figure 24. Load Transient Response Figure 25. Load Transient Response Figure 26. Load Transient Response Figure 27. Line Transient Response Figure 28. Line Transient Response Figure 29. Line Transient Response Figure 30. Line Transient Response Figure 31. Line Transient Response Figure 32. Line Transient Response Figure 33. Line Transient Response Figure 34. Line Transient Response Figure 35. Startup Figure 36. Startup Figure 37. Shutdown Figure 38. Shutdown Figure 39. Input Voltage Ramp Up/Down Figure 40. Input Voltage Ramp Up/Down Figure 41. Input Voltage Ramp Up/Down Figure 42. Input Voltage Ramp Up/Down Timing Chart Application Examples I/O Equivalence Circuits Operational Notes 1. Reverse Connection of Power Supply 2. Power Supply Lines 3. Ground Voltage 4. Ground Wiring Pattern 5. Recommended Operating Conditions 6. Inrush Current 7. Operation Under Strong Electromagnetic Field 8. Testing on Application Boards 9. Inter-pin Short and Mounting Errors 10. Unused Input Pins 11. Regarding the Input Pin of the IC 12. Ceramic Capacitor 13. Area of Safe Operation (ASO) 14. Thermal Shutdown Circuit(TSD) 15. Over Current Protection Circuit (OCP) 16. Disturbance Light Ordering Information Marking Diagram Physical Dimension and Packing Information Revision History