Datasheet ADP2102 (Analog Devices) - 8
| Fabricante | Analog Devices |
| Descripción | Low Duty Cycle, 600 mA, 3 MHz Synchronous Step-Down DC-to-DC Converter |
| Páginas / Página | 24 / 8 — ADP2102. Data Sheet. 1.52. +85°C. 1.51. A) µ. +25°C. ( 1.50. ILOAD = 0mA. … |
| Revisión | C |
| Formato / tamaño de archivo | PDF / 747 Kb |
| Idioma del documento | Inglés |
ADP2102. Data Sheet. 1.52. +85°C. 1.51. A) µ. +25°C. ( 1.50. ILOAD = 0mA. OLTA 1.49. ILOAD = 300mA. CURRE. T V. –40°C. LOAD = 600mA. TP 1.48. S E
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ADP2102 Data Sheet 1.52 85 +85°C 1.51 80 ) A) µ +25°C V ( ( 1.50 ILOAD = 0mA NT GE 75 OLTA 1.49 ILOAD = 300mA CURRE T V I NT –40°C U LOAD = 600mA 70 CE TP 1.48 S E OU UI Q 65 1.47 1.46 60 –40 –15 10 35 60 85
047
2.7 3.0 3.3 3.6 3.9 4.2 4.5 4.8 5.1 5.4
045
TEMPERATURE (°C) INPUT VOLTAGE (V)
06631- 06631- Figure 16. Output Voltage vs. Temperature (VOUT = 1.5 V) Figure 19. Quiescent Current vs. Input Voltage
1.81 77 ILOAD = 0mA 76 1.80 ILOAD = 300mA ) A) µ V 75 ( ( NT GE 1.79 74 OLTA ILOAD = 600mA CURRE T V NT 73 U 1.78 CE TP S E OU 72 UI Q 1.77 71 1.76 70 –40 –15 10 35 60 85
048
–40 –20 0 20 40 60 80 100 120
053
TEMPERATURE (°C)
06631-
TEMPERATURE (°C)
06631- Figure 17. Output Voltage vs. Temperature (VOUT = 1.8 V) Figure 20. Quiescent Current vs. Temperature
3.40 0.8005 VIN = 3.6V 0.8000 3.36 ) ) 0.7995 V V ( ( +85°C E GE 0.7990 3.32 AG T +25°C L O OLTA 0.7985 T V U 3.28 0.7980 TP –40°C DBACK V E OU E F 0.7975 3.24 0.7970 3.20 0.7965
049
0 100 200 300 400 500 600 –50 0 50 100
021
LOAD CURRENT (mA) TEMPERATURE (°C)
06631- 06631- Figure 18. Output Voltage Accuracy (VOUT = 3.3 V) Figure 21. Feedback Voltage vs. Temperature Rev. C | Page 8 of 24 Document Outline FEATURES APPLICATIONS GENERAL DESCRIPTION TYPICAL APPLICATION CIRCUIT REVISION HISTORY SPECIFICATIONS ABSOLUTE MAXIMUM RATINGS THERMAL RESISTANCE BOUNDARY CONDITION ESD CAUTION PIN CONFIGURATION AND FUNCTION DESCRIPTIONS TYPICAL PERFORMANCE CHARACTERISTICS THEORY OF OPERATION CONTROL SCHEME CONSTANT ON-TIME TIMER FORCED CONTINUOUS CONDUCTION MODE POWER SAVE MODE SYNCHRONOUS RECTIFICATION CURRENT LIMIT SOFT START ENABLE UNDERVOLTAGE LOCKOUT THERMAL SHUTDOWN APPLICATIONS INFORMATION INDUCTOR SELECTION INPUT CAPACITOR SELECTION OUTPUT CAPACITOR SELECTION TYPICAL APPLICATION CIRCUITS SETTING THE OUTPUT VOLTAGE EFFICIENCY CONSIDERATIONS Power Switch Conduction Losses Inductor Losses Switching Losses Transition Losses THERMAL CONSIDERATIONS DESIGN EXAMPLE Inductor Output Capacitor Input Capacitor Losses CIRCUIT BOARD LAYOUT RECOMMENDATIONS RECOMMENDED LAYOUT OUTLINE DIMENSIONS ORDERING GUIDE
047
2.7 3.0 3.3 3.6 3.9 4.2 4.5 4.8 5.1 5.4
045
TEMPERATURE (°C) INPUT VOLTAGE (V)
06631- 06631- Figure 16. Output Voltage vs. Temperature (VOUT = 1.5 V) Figure 19. Quiescent Current vs. Input Voltage
1.81 77 ILOAD = 0mA 76 1.80 ILOAD = 300mA ) A) µ V 75 ( ( NT GE 1.79 74 OLTA ILOAD = 600mA CURRE T V NT 73 U 1.78 CE TP S E OU 72 UI Q 1.77 71 1.76 70 –40 –15 10 35 60 85
048
–40 –20 0 20 40 60 80 100 120
053
TEMPERATURE (°C)
06631-
TEMPERATURE (°C)
06631- Figure 17. Output Voltage vs. Temperature (VOUT = 1.8 V) Figure 20. Quiescent Current vs. Temperature
3.40 0.8005 VIN = 3.6V 0.8000 3.36 ) ) 0.7995 V V ( ( +85°C E GE 0.7990 3.32 AG T +25°C L O OLTA 0.7985 T V U 3.28 0.7980 TP –40°C DBACK V E OU E F 0.7975 3.24 0.7970 3.20 0.7965
049
0 100 200 300 400 500 600 –50 0 50 100
021
LOAD CURRENT (mA) TEMPERATURE (°C)
06631- 06631- Figure 18. Output Voltage Accuracy (VOUT = 3.3 V) Figure 21. Feedback Voltage vs. Temperature Rev. C | Page 8 of 24 Document Outline FEATURES APPLICATIONS GENERAL DESCRIPTION TYPICAL APPLICATION CIRCUIT REVISION HISTORY SPECIFICATIONS ABSOLUTE MAXIMUM RATINGS THERMAL RESISTANCE BOUNDARY CONDITION ESD CAUTION PIN CONFIGURATION AND FUNCTION DESCRIPTIONS TYPICAL PERFORMANCE CHARACTERISTICS THEORY OF OPERATION CONTROL SCHEME CONSTANT ON-TIME TIMER FORCED CONTINUOUS CONDUCTION MODE POWER SAVE MODE SYNCHRONOUS RECTIFICATION CURRENT LIMIT SOFT START ENABLE UNDERVOLTAGE LOCKOUT THERMAL SHUTDOWN APPLICATIONS INFORMATION INDUCTOR SELECTION INPUT CAPACITOR SELECTION OUTPUT CAPACITOR SELECTION TYPICAL APPLICATION CIRCUITS SETTING THE OUTPUT VOLTAGE EFFICIENCY CONSIDERATIONS Power Switch Conduction Losses Inductor Losses Switching Losses Transition Losses THERMAL CONSIDERATIONS DESIGN EXAMPLE Inductor Output Capacitor Input Capacitor Losses CIRCUIT BOARD LAYOUT RECOMMENDATIONS RECOMMENDED LAYOUT OUTLINE DIMENSIONS ORDERING GUIDE