Datasheet ADP5024 (Analog Devices) - 10
| Fabricante | Analog Devices |
| Descripción | Dual 3 MHz, 1200 mA Buck Regulators with One 300 mA LDO |
| Páginas / Página | 28 / 10 — ADP5024. Data Sheet. 100. VIN = 3.9V. VIN = 3.6V. VIN = 4.2V. VIN = 2.3V. … |
| Revisión | E |
| Formato / tamaño de archivo | PDF / 764 Kb |
| Idioma del documento | Inglés |
ADP5024. Data Sheet. 100. VIN = 3.9V. VIN = 3.6V. VIN = 4.2V. VIN = 2.3V. VIN = 5.5V. IN = 5.5V. IN = 4.2V. FFIC. 0.001. 0.01. 0.1. IOUT (A). OUT (A)
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ADP5024 Data Sheet 100 100 VIN = 3.9V 90 90 VIN = 3.6V 80 VIN = 4.2V 80 VIN = 2.3V 70 VIN = 5.5V 70 V %) %) IN = 5.5V ( 60 ( 60 Y Y C C N V 50 N 50 IN = 4.2V IE IE 40 FFIC 40 FFIC E E 30 30 20 20 10 10 0 0 0.001 0.01 0.1 1 0.001 0.01 0.1 1
009 012
IOUT (A) I
09888-
OUT (A)
09888- Figure 9. BUCK1 Efficiency vs. Load Current, Across Input Voltage, Figure 12. BUCK2 Efficiency vs. Load Current, Across Input Voltage, VOUT1 = 3.3 V, Automatic Mode VOUT2 = 1.8 V, PWM Mode
100 100 90 90 80 80 VIN = 5.5V 70 70 VIN = 3.9V %) ( 60 (%) 60 Y VIN = 2.3V C V N NCY IN = 5.5V V 50 E 50 IN = 4.2V IE V ICI IN = 3.6V 40 F FFIC 40 F E E 30 30 20 20 10 VIN = 4.2V 10 0 0 0.001 0.01 0.1 1 0.001 0.01 0.1 1
010 013
I I OUT (A)
09888-
OUT (A)
09888- Figure 10. BUCK1 Efficiency vs. Load Current, Across Input Voltage, Figure 13. BUCK1 Efficiency vs. Load Current, Across Input Voltage, V V OUT1 = 3.3 V, PWM Mode OUT1 = 0.8 V, Automatic Mode
100 100 90 90 VIN = 3.6V 80 80 VIN = 2.3V 70 70 VIN = 2.3V VIN = 5.5V V %) IN = 4.2V %) ( 60 V ( 60 VIN = 5.5V Y IN = 3.6V Y C C N N 50 50 IE IE 40 40 FFIC FFIC VIN = 4.2V E E 30 30 20 20 10 10 0 0 0.001 0.01 0.1 1
1 1
0.001 0.01 0.1 1
0 014
I I OUT (A) OUT (A)
09888- 09888- Figure 11. BUCK2 Efficiency vs. Load Current, Across Input Voltage, Figure 14. BUCK1 Efficiency vs. Load Current, Across Input Voltage, V V OUT2 = 1.8 V, Automatic Mode OUT1 = 0.8 V, PWM Mode Rev. E | Page 10 of 28 Document Outline Features Applications General Description Typical Application Circuit Revision History Specifications General Specifications BUCK1 and BUCK2 Specifications LDO Specifications Input and Output Capacitor, Recommended Specifications Absolute Maximum Ratings Thermal Resistance ESD Caution Pin Configuration and Function Descriptions Typical Performance Characteristics Theory of Operation Power Management Unit Thermal Protection Undervoltage Lockout Enable/Shutdown BUCK1 and BUCK2 Control Scheme PWM Mode Power Save Mode (PSM) PSM Current Threshold Oscillator/Phasing of Inductor Switching Short-Circuit Protection Soft Start Current Limit 100% Duty Operation Active Pull-Down Resistors LDO Applications Information Buck External Component Selection Feedback Resistors Inductor Output Capacitor Input Capacitor LDO External Component Selection Feedback Resistors Output Capacitor Input Bypass Capacitor Input and Output Capacitor Properties Power Dissipation and Thermal Considerations Buck Regulator Power Dissipation LDO Regulator Power Dissipation Junction Temperature PCB Layout Guidelines Typical Application Schematics Bill of Materials Outline Dimensions Ordering Guide
009 012
IOUT (A) I
09888-
OUT (A)
09888- Figure 9. BUCK1 Efficiency vs. Load Current, Across Input Voltage, Figure 12. BUCK2 Efficiency vs. Load Current, Across Input Voltage, VOUT1 = 3.3 V, Automatic Mode VOUT2 = 1.8 V, PWM Mode
100 100 90 90 80 80 VIN = 5.5V 70 70 VIN = 3.9V %) ( 60 (%) 60 Y VIN = 2.3V C V N NCY IN = 5.5V V 50 E 50 IN = 4.2V IE V ICI IN = 3.6V 40 F FFIC 40 F E E 30 30 20 20 10 VIN = 4.2V 10 0 0 0.001 0.01 0.1 1 0.001 0.01 0.1 1
010 013
I I OUT (A)
09888-
OUT (A)
09888- Figure 10. BUCK1 Efficiency vs. Load Current, Across Input Voltage, Figure 13. BUCK1 Efficiency vs. Load Current, Across Input Voltage, V V OUT1 = 3.3 V, PWM Mode OUT1 = 0.8 V, Automatic Mode
100 100 90 90 VIN = 3.6V 80 80 VIN = 2.3V 70 70 VIN = 2.3V VIN = 5.5V V %) IN = 4.2V %) ( 60 V ( 60 VIN = 5.5V Y IN = 3.6V Y C C N N 50 50 IE IE 40 40 FFIC FFIC VIN = 4.2V E E 30 30 20 20 10 10 0 0 0.001 0.01 0.1 1
1 1
0.001 0.01 0.1 1
0 014
I I OUT (A) OUT (A)
09888- 09888- Figure 11. BUCK2 Efficiency vs. Load Current, Across Input Voltage, Figure 14. BUCK1 Efficiency vs. Load Current, Across Input Voltage, V V OUT2 = 1.8 V, Automatic Mode OUT1 = 0.8 V, PWM Mode Rev. E | Page 10 of 28 Document Outline Features Applications General Description Typical Application Circuit Revision History Specifications General Specifications BUCK1 and BUCK2 Specifications LDO Specifications Input and Output Capacitor, Recommended Specifications Absolute Maximum Ratings Thermal Resistance ESD Caution Pin Configuration and Function Descriptions Typical Performance Characteristics Theory of Operation Power Management Unit Thermal Protection Undervoltage Lockout Enable/Shutdown BUCK1 and BUCK2 Control Scheme PWM Mode Power Save Mode (PSM) PSM Current Threshold Oscillator/Phasing of Inductor Switching Short-Circuit Protection Soft Start Current Limit 100% Duty Operation Active Pull-Down Resistors LDO Applications Information Buck External Component Selection Feedback Resistors Inductor Output Capacitor Input Capacitor LDO External Component Selection Feedback Resistors Output Capacitor Input Bypass Capacitor Input and Output Capacitor Properties Power Dissipation and Thermal Considerations Buck Regulator Power Dissipation LDO Regulator Power Dissipation Junction Temperature PCB Layout Guidelines Typical Application Schematics Bill of Materials Outline Dimensions Ordering Guide