Datasheet ADP2386 (Analog Devices) - 8
| Fabricante | Analog Devices |
| Descripción | 20 V, 6 A, Synchronous Step-Down DC-to-DC Regulator |
| Páginas / Página | 24 / 8 — ADP2386. Data Sheet. 4.5. 1.25. RISING. FALLING. 4.4. 1.20. 4.3. (V) D. … |
| Revisión | C |
| Formato / tamaño de archivo | PDF / 860 Kb |
| Idioma del documento | Inglés |
ADP2386. Data Sheet. 4.5. 1.25. RISING. FALLING. 4.4. 1.20. 4.3. (V) D. 4.2. V 1.15. D ( L. ESH. 4.1. S 1.10. 4.0. HRE. VL U. 3.9. N T 1.05. PVI. 3.8. 1.00. 3.7. 3.6. 0.95
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ADP2386 Data Sheet 4.5 1.25 RISING RISING FALLING FALLING 4.4 1.20 4.3 (V) D ) L 4.2 V 1.15 O D ( L ESH 4.1 R HO H S 1.10 T 4.0 O HRE VL U 3.9 N T 1.05 E N PVI 3.8 1.00 3.7 3.6 0.95 –40 –20 0 20 40 60 80 100 120
010
–40 –20 0 20 40 60 80 100 120
013 1- 1- 1 1
TEMPERATURE (°C) TEMPERATURE (°C)
102 102 Figure 10. PVIN UVLO Threshold vs. Temperature Figure 13. EN Threshold vs. Temperature
3.30 606 3.25 604 3.20 V) (μA) NT 602 E (m 3.15 G A LT 3.10 O CURRE 600 P -U L 3.05 L 598 DBACK V E E 3.00 SS PU F 596 2.95 2.90 594
1
–40 –20 0 20 40 60 80 100 120
1
–40 –20 0 20 40 60 80 100 120
014 -0 1 1- 1 1
TEMPERATURE (°C) TEMPERATURE (°C)
102 102 Figure 11. SS Pin Pull-Up Current vs. Temperature Figure 14. Feedback Voltage vs. Temperature
630 8.4 8.3 620 8.2 ) 610 kHz E (V) ( G 8.1 Y R A T = 100kΩ NC LT 600 UE VO 8.0 Q EG RE F 590 VR 7.9 580 7.8 570 7.7 –40 –20 0 20 40 60 80 100 120 –40 –20 0 20 40 60 80 100 120
012 015 1- 1- 1 1
TEMPERATURE (°C) TEMPERATURE (°C)
102 102 Figure 12. Frequency vs. Temperature Figure 15. VREG Voltage vs. Temperature Rev. C | Page 8 of 24 Document Outline Features Applications Typical Applications Circuit General Description Table of Contents Revision History Specifications Absolute Maximum Ratings Thermal Resistance ESD Caution Pin Configuration and Function Descriptions Typical Performance Characteristics Functional Block Diagram Theory of Operation Control Scheme Precision Enable/Shutdown Internal Regulator (VREG) Bootstrap Circuitry Oscillator Synchronization Soft Start Power Good Peak Current-Limit and Short-Circuit Protection Overvoltage Protection (OVP) Undervoltage Lockout (UVLO) Thermal Shutdown Applications Information Input Capacitor Selection Output Voltage Setting Voltage Conversion Limitations Inductor Selection Output Capacitor Selection Programming the Input Voltage UVLO Compensation Design ADIsimPower Design Tool Design Example Output Voltage Setting (Design Example) Frequency Setting Inductor Selection (Design Example) Output Capacitor Selection (Design Example) Compensation Components Soft Start Time Program Input Capacitor Selection (Design Example) Recommended External Components Circuit Board Layout Recommendations Typical Applications Circuits Outline Dimensions Ordering Guide
010
–40 –20 0 20 40 60 80 100 120
013 1- 1- 1 1
TEMPERATURE (°C) TEMPERATURE (°C)
102 102 Figure 10. PVIN UVLO Threshold vs. Temperature Figure 13. EN Threshold vs. Temperature
3.30 606 3.25 604 3.20 V) (μA) NT 602 E (m 3.15 G A LT 3.10 O CURRE 600 P -U L 3.05 L 598 DBACK V E E 3.00 SS PU F 596 2.95 2.90 594
1
–40 –20 0 20 40 60 80 100 120
1
–40 –20 0 20 40 60 80 100 120
014 -0 1 1- 1 1
TEMPERATURE (°C) TEMPERATURE (°C)
102 102 Figure 11. SS Pin Pull-Up Current vs. Temperature Figure 14. Feedback Voltage vs. Temperature
630 8.4 8.3 620 8.2 ) 610 kHz E (V) ( G 8.1 Y R A T = 100kΩ NC LT 600 UE VO 8.0 Q EG RE F 590 VR 7.9 580 7.8 570 7.7 –40 –20 0 20 40 60 80 100 120 –40 –20 0 20 40 60 80 100 120
012 015 1- 1- 1 1
TEMPERATURE (°C) TEMPERATURE (°C)
102 102 Figure 12. Frequency vs. Temperature Figure 15. VREG Voltage vs. Temperature Rev. C | Page 8 of 24 Document Outline Features Applications Typical Applications Circuit General Description Table of Contents Revision History Specifications Absolute Maximum Ratings Thermal Resistance ESD Caution Pin Configuration and Function Descriptions Typical Performance Characteristics Functional Block Diagram Theory of Operation Control Scheme Precision Enable/Shutdown Internal Regulator (VREG) Bootstrap Circuitry Oscillator Synchronization Soft Start Power Good Peak Current-Limit and Short-Circuit Protection Overvoltage Protection (OVP) Undervoltage Lockout (UVLO) Thermal Shutdown Applications Information Input Capacitor Selection Output Voltage Setting Voltage Conversion Limitations Inductor Selection Output Capacitor Selection Programming the Input Voltage UVLO Compensation Design ADIsimPower Design Tool Design Example Output Voltage Setting (Design Example) Frequency Setting Inductor Selection (Design Example) Output Capacitor Selection (Design Example) Compensation Components Soft Start Time Program Input Capacitor Selection (Design Example) Recommended External Components Circuit Board Layout Recommendations Typical Applications Circuits Outline Dimensions Ordering Guide