Datasheet ADP2311 (Analog Devices) - 9
| 制造商 | Analog Devices |
| 描述 | Dual 1 A, 18 V, Synchronous Step-Down Regulator with Fail-Safe Voltage Monitoring |
| 页数 / 页 | 20 / 9 — Data Sheet. ADP2311. 5.4. 1.20. 1.16. 5.2. 1.12. (µ 1.08. 5.0. 1.04. 4.8. … |
| 修订版 | B |
| 文件格式/大小 | PDF / 698 Kb |
| 文件语言 | 英语 |
Data Sheet. ADP2311. 5.4. 1.20. 1.16. 5.2. 1.12. (µ 1.08. 5.0. 1.04. 4.8. CURRE. 1.00. 0.96. URCE. 4.6. O 0.92. N S. E 0.88. 4.4. 0.84. 4.2. 0.80. –40. –20. 100. 120
该数据表的模型线
文件文字版本
Data Sheet ADP2311 5.4 1.20 1.16 5.2 1.12 A) A) (µ (µ 1.08 5.0 NT NT 1.04 4.8 CURRE 1.00 CURRE 0.96 URCE URCE O 4.6 O 0.92 N S N S E E 0.88 4.4 0.84 4.2 0.80
1
–40 –20 0 20 40 60 80 100 120
1 0
–40 –20 0 20 40 60 80 100 120
014
TEMPERATURE (°C)
1036- 1036- 1
TEMPERATURE (°C)
1 Figure 11. EN Source Current vs. Temperature at VEN = 1 V Figure 14. EN Source Current vs. Temperature at VEN = 1.5 V
606 588 584 604 V) 580 (m V) RISING 602 E (m AG D L 576 LT O HO 600 S 572 FALLING HRE 598 DBACK V R T E O E P 568 F 596 564 594 560 –40 –20 0 20 40 60 80 100 120
012
–40 –20 0 20 40 60 80 100 120
015
TEMPERATURE (°C)
1036- 1
TEMPERATURE (°C)
1036- 1 Figure 12. Feedback Voltage vs. Temperature Figure 15. POR Threshold vs. Temperature
612 670 608 660 604 RISING RISING 600 650 ) V) 596 mV 640 (m 592 D ( L OLD 588 630 H HO S S E 584 R 620 HRE 580 2 T FI TH 610 576 P FALLING M V FALLING 572 600 568 590 564 560 580 –40 –20 0 20 40 60 80 100 120
013
–40 –20 0 20 40 60 80 100 120
016
TEMPERATURE (°C)
1036- 1
TEMPERATURE (°C)
1036- 1 Figure 13. PFI Threshold vs. Temperature Figure 16. VM2 Threshold vs. Temperature Rev. B | Page 9 of 20 Document Outline Features Applications Typical Application Circuit General Description 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 Precision Enable/Shutdown Internal Regulator (VREG) Bootstrap Circuitry Soft Start Peak Current-Limit and Short-Circuit Protection Power-On Reset (POR) TIMER Pin Configuration Power Fail Comparator Voltage Monitor Comparator (VM2) Watchdog Timer Power-Up and Power-Down Sequence Overvoltage Protection (OVP) Undervoltage Lockout (UVLO) Thermal Shutdown Applications Information Input Capacitor Selection Output Voltage Setting Inductor Selection Output Capacitor Selection Application Circuit Outline Dimensions Ordering Guide
1
–40 –20 0 20 40 60 80 100 120
1 0
–40 –20 0 20 40 60 80 100 120
014
TEMPERATURE (°C)
1036- 1036- 1
TEMPERATURE (°C)
1 Figure 11. EN Source Current vs. Temperature at VEN = 1 V Figure 14. EN Source Current vs. Temperature at VEN = 1.5 V
606 588 584 604 V) 580 (m V) RISING 602 E (m AG D L 576 LT O HO 600 S 572 FALLING HRE 598 DBACK V R T E O E P 568 F 596 564 594 560 –40 –20 0 20 40 60 80 100 120
012
–40 –20 0 20 40 60 80 100 120
015
TEMPERATURE (°C)
1036- 1
TEMPERATURE (°C)
1036- 1 Figure 12. Feedback Voltage vs. Temperature Figure 15. POR Threshold vs. Temperature
612 670 608 660 604 RISING RISING 600 650 ) V) 596 mV 640 (m 592 D ( L OLD 588 630 H HO S S E 584 R 620 HRE 580 2 T FI TH 610 576 P FALLING M V FALLING 572 600 568 590 564 560 580 –40 –20 0 20 40 60 80 100 120
013
–40 –20 0 20 40 60 80 100 120
016
TEMPERATURE (°C)
1036- 1
TEMPERATURE (°C)
1036- 1 Figure 13. PFI Threshold vs. Temperature Figure 16. VM2 Threshold vs. Temperature Rev. B | Page 9 of 20 Document Outline Features Applications Typical Application Circuit General Description 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 Precision Enable/Shutdown Internal Regulator (VREG) Bootstrap Circuitry Soft Start Peak Current-Limit and Short-Circuit Protection Power-On Reset (POR) TIMER Pin Configuration Power Fail Comparator Voltage Monitor Comparator (VM2) Watchdog Timer Power-Up and Power-Down Sequence Overvoltage Protection (OVP) Undervoltage Lockout (UVLO) Thermal Shutdown Applications Information Input Capacitor Selection Output Voltage Setting Inductor Selection Output Capacitor Selection Application Circuit Outline Dimensions Ordering Guide