Datasheet ADP2165, ADP2166 (Analog Devices) - 9
| Hersteller | Analog Devices |
| Beschreibung | 5.5 V, 6 A, High Efficiency, Step-Down DC-to-DC Regulators with Output Tracking |
| Seiten / Seite | 23 / 9 — Data Sheet. ADP2165/ADP2166. m (. +125ºC. +25ºC. –40ºC. IDE. 2.7. 3.1. … |
| Revision | B |
| Dateiformat / Größe | PDF / 679 Kb |
| Dokumentensprache | Englisch |
Data Sheet. ADP2165/ADP2166. m (. +125ºC. +25ºC. –40ºC. IDE. 2.7. 3.1. 3.5. 3.9. 4.3. 4.7. 5.1. 5.5. PVIN (V). 605. 610. 604. 600. 603. 590. 602. (kH. 580. 601. LTA. 570. 599
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Data Sheet ADP2165/ADP2166 40 30 ) 35 ) 25 Ω Ω m ( (m R +125ºC R +125ºC O 30 O T 20 T IS IS S S +25ºC +25ºC RE 25 RE T 15 T E E NF –40ºC NF –40ºC 20 IDE 10 IDE -S -S H W IG O H 15 L 5 10 0 2.7 3.1 3.5 3.9 4.3 4.7 5.1 5.5
110
2.7 3.1 3.5 3.9 4.3 4.7 5.1 5.5
113
V
956- 956-
PVIN (V) V
10
PVIN (V)
10 Figure 11. High-Side NFET Resistor vs. VPVIN (Pin-to-Pin Measurements) Figure 14. Low-Side NFET Resistor vs. VPVIN (Pin-to-Pin Measurements)
605 610 604 600 603 ) z) +125ºC V 590 m 602 (kH +25ºC ( CY GE N 580 601 UE LTA Q O 600 570 V RE K F C 599 G –40ºC A 560 B IN D E 598 CH IT FE 550 W 597 S 540 596 595 530 –40 0 25 85 125
11 1
2.7 3.1 3.5 3.9 4.3 4.7 5.1 5.5
114
TEMPERATURE (°C) V
956- 10956-
PVIN (V)
10 Figure 12. Feedback Voltage vs. Temperature, VPVIN = 5 V Figure 15. Switching Frequency vs. VPVIN (RRT = 95.3 kΩ)
1300 660 1275 650 z) 1250 z) 640 (kH +125ºC Y kH ( 630 Y NC 1225 +125ºC NC UE 620 Q +25ºC UE +25ºC 1200 Q RE 610 F –40°C RE F –40ºC NG 1175 600 ING CHI IT CH 1150 590 W IT S W S 580 1125 570 1100 2.7 3.1 3.5 3.9 4.3 4.7 5.1 5.5
112
560 2.7 3.1 3.5 3.9 4.3 4.7 5.1 5.5
15 1
V
956-
PVIN (V)
10
VPVIN (V)
10956- Figure 13. Switching Frequency vs. VPVIN at 1.2 MHz (RT = VREG) Figure 16. Switching Frequency vs. VPVIN at 620 kHz (RT Floating) Rev. B | Page 9 of 23 Document Outline Features Applications General Description Typical Application Circuit Revision History Functional Block Diagram Specifications Absolute Maximum Ratings Thermal Resistance ESD Caution Pin Configuration and Function Descriptions Typical Performance Characteristics Theory of Operation Control Scheme PWM Mode Enable/Shutdown Internal Regulator (VREG) Bootstrap Circuitry Oscillator and Synchronization Soft Start Tracking Power-Good (PGOOD) Peak Current-Limit and Short-Circuit Protection Overvoltage Protection Undervoltage Lockout Thermal Shutdown Applications Information ADIsimPower Design Tool Input Capacitor Selection Output Voltage Setting Voltage Conversion Limitations Inductor Selection Output Capacitor Selection Compensation Design Design Example Output Voltage Setting Frequency Setting Inductor Selection Output Capacitor Selection Compensation Components Soft Start Time Program Input Capacitor Selection Recommended External Components Printed Circuit Board Layout Recommendations Reference Designs Outline Dimensions Ordering Guide
110
2.7 3.1 3.5 3.9 4.3 4.7 5.1 5.5
113
V
956- 956-
PVIN (V) V
10
PVIN (V)
10 Figure 11. High-Side NFET Resistor vs. VPVIN (Pin-to-Pin Measurements) Figure 14. Low-Side NFET Resistor vs. VPVIN (Pin-to-Pin Measurements)
605 610 604 600 603 ) z) +125ºC V 590 m 602 (kH +25ºC ( CY GE N 580 601 UE LTA Q O 600 570 V RE K F C 599 G –40ºC A 560 B IN D E 598 CH IT FE 550 W 597 S 540 596 595 530 –40 0 25 85 125
11 1
2.7 3.1 3.5 3.9 4.3 4.7 5.1 5.5
114
TEMPERATURE (°C) V
956- 10956-
PVIN (V)
10 Figure 12. Feedback Voltage vs. Temperature, VPVIN = 5 V Figure 15. Switching Frequency vs. VPVIN (RRT = 95.3 kΩ)
1300 660 1275 650 z) 1250 z) 640 (kH +125ºC Y kH ( 630 Y NC 1225 +125ºC NC UE 620 Q +25ºC UE +25ºC 1200 Q RE 610 F –40°C RE F –40ºC NG 1175 600 ING CHI IT CH 1150 590 W IT S W S 580 1125 570 1100 2.7 3.1 3.5 3.9 4.3 4.7 5.1 5.5
112
560 2.7 3.1 3.5 3.9 4.3 4.7 5.1 5.5
15 1
V
956-
PVIN (V)
10
VPVIN (V)
10956- Figure 13. Switching Frequency vs. VPVIN at 1.2 MHz (RT = VREG) Figure 16. Switching Frequency vs. VPVIN at 620 kHz (RT Floating) Rev. B | Page 9 of 23 Document Outline Features Applications General Description Typical Application Circuit Revision History Functional Block Diagram Specifications Absolute Maximum Ratings Thermal Resistance ESD Caution Pin Configuration and Function Descriptions Typical Performance Characteristics Theory of Operation Control Scheme PWM Mode Enable/Shutdown Internal Regulator (VREG) Bootstrap Circuitry Oscillator and Synchronization Soft Start Tracking Power-Good (PGOOD) Peak Current-Limit and Short-Circuit Protection Overvoltage Protection Undervoltage Lockout Thermal Shutdown Applications Information ADIsimPower Design Tool Input Capacitor Selection Output Voltage Setting Voltage Conversion Limitations Inductor Selection Output Capacitor Selection Compensation Design Design Example Output Voltage Setting Frequency Setting Inductor Selection Output Capacitor Selection Compensation Components Soft Start Time Program Input Capacitor Selection Recommended External Components Printed Circuit Board Layout Recommendations Reference Designs Outline Dimensions Ordering Guide