Datasheet ADP2387 (Analog Devices) - 10
| 制造商 | Analog Devices |
| 描述 | 20 V, 6 A, Synchronous, Step-Down DC-to-DC Regulator |
| 页数 / 页 | 25 / 10 — ADP2387. Data Sheet. HIGH-SIDE RDSON LOW-SIDE RDSON. ) A. D ( L. ) Ω. … |
| 修订版 | C |
| 文件格式/大小 | PDF / 577 Kb |
| 文件语言 | 英语 |
ADP2387. Data Sheet. HIGH-SIDE RDSON LOW-SIDE RDSON. ) A. D ( L. ) Ω. IOCP = 9A. RESHO. OCP = 6A. OCP = 3A. RESI. N E. A E P. –40. –20. 100. 120
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文件文字版本
ADP2387 Data Sheet 65 10 HIGH-SIDE RDSON LOW-SIDE RDSON ) A 9 55 D ( L ) Ω 8 (m 45 IOCP = 9A R RESHO I O H 7 OCP = 6A I ST T OCP = 3A IT 35 IM 6 RESI L T T E N E 5 SF 25 RR MO CU 4 K 15 A E P 3 5 2 –40 –20 0 20 40 60 80 100 120
17 20 -0
–40 –20 0 20 40 60 80 100 120
-0 43 43
TEMPERATURE (°C) TEMPERATURE (°C)
126 126 Figure 17. MOSFET Resistor vs. Temperature Figure 20. Peak Current-Limit Threshold vs. Temperature
EN VOUT (AC) IL VOUT PGOOD SW IOUT
018 43- 021 3- 126 Figure 18. Working Mode Waveform 1264 Figure 21. Soft Start with Full Load
EN EN VOUT VOUT PGOOD PGOOD IOUT IL
19 0 3- 64 022 12 3- Figure 19. Precharged Output 1264 Figure 22. Shutdown with Full Load Rev. C | Page 10 of 25 Document Outline FEATURES APPLICATIONS TYPICAL APPLICATIONS CIRCUIT GENERAL DESCRIPTION TABLE OF CONTENTS 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 OSCILLATOR 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 INPUT VOLTAGE UVLO COMPENSATION DESIGN ADIsimPower DESIGN TOOL DESIGN EXAMPLE OUTPUT VOLTAGE SETTING FREQUENCY SETTING CURRENT-LIMIT THRESHOLD SETTING INDUCTOR SELECTION OUTPUT CAPACITOR SELECTION COMPENSATION COMPONENTS SOFT START TIME PROGRAM INPUT CAPACITOR SELECTION RECOMMENDED EXTERNAL COMPONENTS CIRCUIT BOARD LAYOUT RECOMMENDATIONS TYPICAL APPLICATIONS CIRCUITS OUTLINE DIMENSIONS ORDERING GUIDE
17 20 -0
–40 –20 0 20 40 60 80 100 120
-0 43 43
TEMPERATURE (°C) TEMPERATURE (°C)
126 126 Figure 17. MOSFET Resistor vs. Temperature Figure 20. Peak Current-Limit Threshold vs. Temperature
EN VOUT (AC) IL VOUT PGOOD SW IOUT
018 43- 021 3- 126 Figure 18. Working Mode Waveform 1264 Figure 21. Soft Start with Full Load
EN EN VOUT VOUT PGOOD PGOOD IOUT IL
19 0 3- 64 022 12 3- Figure 19. Precharged Output 1264 Figure 22. Shutdown with Full Load Rev. C | Page 10 of 25 Document Outline FEATURES APPLICATIONS TYPICAL APPLICATIONS CIRCUIT GENERAL DESCRIPTION TABLE OF CONTENTS 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 OSCILLATOR 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 INPUT VOLTAGE UVLO COMPENSATION DESIGN ADIsimPower DESIGN TOOL DESIGN EXAMPLE OUTPUT VOLTAGE SETTING FREQUENCY SETTING CURRENT-LIMIT THRESHOLD SETTING INDUCTOR SELECTION OUTPUT CAPACITOR SELECTION COMPENSATION COMPONENTS SOFT START TIME PROGRAM INPUT CAPACITOR SELECTION RECOMMENDED EXTERNAL COMPONENTS CIRCUIT BOARD LAYOUT RECOMMENDATIONS TYPICAL APPLICATIONS CIRCUITS OUTLINE DIMENSIONS ORDERING GUIDE