Datasheet ADP5037 (Analog Devices) - 9
| Fabricante | Analog Devices |
| Descripción | Dual 3 MHz, 800 mA Buck Regulators with Two 300 mA LDOs |
| Páginas / Página | 28 / 9 — Data Sheet. ADP5037. 100. VIN = 2.3V. VIN = 3.6V. VIN = 3.9V. IN = 4.2V. … |
| Revisión | D |
| Formato / tamaño de archivo | PDF / 770 Kb |
| Idioma del documento | Inglés |
Data Sheet. ADP5037. 100. VIN = 2.3V. VIN = 3.6V. VIN = 3.9V. IN = 4.2V. VIN = 5.5V. NCY. ICI. 1000. ILOAD (mA). LOAD (mA). IN = 3.6V. VIN = 4.2V
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Data Sheet ADP5037 100 100 VIN = 2.3V 90 90 80 80 VIN = 3.6V 70 VIN = 3.9V 70 V V %) IN = 4.2V %) IN = 4.2V ( 60 VIN = 5.5V ( 60 NCY 50 NCY E 50 E ICI ICI F 40 F 40 F F E E VIN = 5.5V 30 30 20 20 10 10 0 0 1 10 100 1000
103
1 10 100 1000
106
ILOAD (mA) I
09887-
LOAD (mA)
09887- Figure 9. BUCK1 Efficiency vs. Load Current, Across Input Voltage, Figure 12. BUCK2 Efficiency vs. Load Current, Across Input Voltage, VOUT1 = 3.3 V, Auto Mode VOUT2 = 1.8 V, PWM Mode
100 100 VIN = 2.3V 90 90 VIN = 2.3V VIN = 3.6V 80 80 70 70 V %) IN = 3.6V %) ( 60 ( 60 VIN = 4.2V NCY 50 NCY VIN = 5.5V E V 50 IN = 4.2V E ICI ICI F 40 F 40 F F E E 30 VIN = 5.5V 30 20 20 10 10 0 0 1 10 100 1000
104
1 10 100 1000
107
ILOAD (mA) I
09887-
LOAD (mA)
09887- Figure 10. BUCK1 Efficiency vs. Load Current, Across Input Voltage, Figure 13. BUCK1 Efficiency vs. Load Current, Across Input Voltage, VOUT1 = 3.3 V, PWM Mode VOUT1 = 0.8 V, Auto Mode
100 100 VIN = 2.3V 90 90 80 80 VIN = 4.2V VIN = 5.5V VIN = 2.3V 70 VIN = 3.6V 70 %) %) ( 60 ( 60 VIN = 3.6V NCY 50 NCY E 50 E VIN = 4.2V ICI ICI F 40 F 40 F F E E VIN = 5.5V 30 30 20 20 10 10 0 0 1 10 100 1000
105
1 10 100 1000
108
ILOAD (mA) I
09887-
LOAD (mA)
09887- Figure 11. BUCK2 Efficiency vs. Load Current, Across Input Voltage, Figure 14. BUCK1 Efficiency vs. Load Current, Across Input Voltage, VOUT2 = 1.8 V, Auto Mode VOUT1 = 0.8 V, PWM Mode Rev. D | Page 9 of 28 Document Outline Features Applications General Description Typical Application Circuit Revision History Specifications General Specifications BUCK1 and BUCK2 Specifications LDO1 and LDO2 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-Downs LDO1 and LDO2 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
103
1 10 100 1000
106
ILOAD (mA) I
09887-
LOAD (mA)
09887- Figure 9. BUCK1 Efficiency vs. Load Current, Across Input Voltage, Figure 12. BUCK2 Efficiency vs. Load Current, Across Input Voltage, VOUT1 = 3.3 V, Auto Mode VOUT2 = 1.8 V, PWM Mode
100 100 VIN = 2.3V 90 90 VIN = 2.3V VIN = 3.6V 80 80 70 70 V %) IN = 3.6V %) ( 60 ( 60 VIN = 4.2V NCY 50 NCY VIN = 5.5V E V 50 IN = 4.2V E ICI ICI F 40 F 40 F F E E 30 VIN = 5.5V 30 20 20 10 10 0 0 1 10 100 1000
104
1 10 100 1000
107
ILOAD (mA) I
09887-
LOAD (mA)
09887- Figure 10. BUCK1 Efficiency vs. Load Current, Across Input Voltage, Figure 13. BUCK1 Efficiency vs. Load Current, Across Input Voltage, VOUT1 = 3.3 V, PWM Mode VOUT1 = 0.8 V, Auto Mode
100 100 VIN = 2.3V 90 90 80 80 VIN = 4.2V VIN = 5.5V VIN = 2.3V 70 VIN = 3.6V 70 %) %) ( 60 ( 60 VIN = 3.6V NCY 50 NCY E 50 E VIN = 4.2V ICI ICI F 40 F 40 F F E E VIN = 5.5V 30 30 20 20 10 10 0 0 1 10 100 1000
105
1 10 100 1000
108
ILOAD (mA) I
09887-
LOAD (mA)
09887- Figure 11. BUCK2 Efficiency vs. Load Current, Across Input Voltage, Figure 14. BUCK1 Efficiency vs. Load Current, Across Input Voltage, VOUT2 = 1.8 V, Auto Mode VOUT1 = 0.8 V, PWM Mode Rev. D | Page 9 of 28 Document Outline Features Applications General Description Typical Application Circuit Revision History Specifications General Specifications BUCK1 and BUCK2 Specifications LDO1 and LDO2 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-Downs LDO1 and LDO2 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