Datasheet ADP5022 (Analog Devices) - 9
| Fabricante | Analog Devices |
| Descripción | Dual 3 MHz, 600 mA Buck Regulator with 150 mA LDO |
| Páginas / Página | 28 / 9 — ADP5022. 100. 1.834. TA = +25°C T. A = –40°C. 1.824. TA = +85°C. 1.814. ) … |
| Revisión | C |
| Formato / tamaño de archivo | PDF / 1.1 Mb |
| Idioma del documento | Inglés |
ADP5022. 100. 1.834. TA = +25°C T. A = –40°C. 1.824. TA = +85°C. 1.814. ) %. VIN = 3.6V. V 1.804. Y ( C. VIN = 4.5V. B ( T. IEN. IN = 5.5V. OUV 1.794
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ADP5022 100 1.834 TA = +25°C T 90 A = –40°C 1.824 TA = +85°C 80 1.814 70 ) % ) 60 VIN = 3.6V V 1.804 Y ( C VIN = 4.5V B ( T 50 V IEN IN = 5.5V OUV 1.794 IC F 40 EF 30 1.784 20 1.774 10 1.764 0
8
0 0.1 0.2 0.3 0.4 0.5 0.6
57 0
0.0001 0.001 0.01 0.1 1
-03 3-
I
25 253
OUT (A) I
08
OUT (A)
08 Figure 10. Buck2 Load Regulation Across Temperature, VOUT2 = 1.8 V, Figure 13. Buck1 Efficiency vs. Load Current, Across Input Voltage, Auto Mode VOUT1 = 3.3 V, Auto Mode
100 1.834 VIN = 5.5V 90 VIN = 4.5V 1.824 VIN = 3.6V 80 VIN = 2.4V 1.814 70 ) ) % 60 V 1.804 Y ( B ( C T 50 IEN OUV 1.794 IC F 40 EF 1.784 30 V 20 IN = 3.6V VIN = 4.5V 1.774 10 VIN = 5.5V 1.764
4
0
9
0 0.1 0.2 0.3 0.4 0.5 0.6
05
0.001 0.01 0.1 1
3- -03
I
25 253
OUT (A) I
08
OUT (A)
08 Figure 11. Buck 2 Load Regulation Across Input Voltage, VOUT1 = 1.8 V, Figure 14. Buck1 Efficiency vs. Load Current, Across Input Voltage, PWM Mode VOUT1 = 3.3 V, PWM Mode
100 3.354 90 80 3.334 70 ) ) 3.314 % 60 V Y ( A ( C T 50 3.294 IEN OUV IC F 40 EF 3.274 30 VIN = 3.6V VIN = 5.5V V 20 IN = 4.5V V 3.254 IN = 4.5V VIN = 5.5V V 10 IN = 3.6V VIN = 2.4V 3.234
5
0
6
0 0.1 0.2 0.3 0.4 0.5 0.6
05
0.0001 0.001 0.01 0.1 1
3- -03
I
25 253
OUT (A) I
08
OUT (A)
08 Figure 12. Buck1 Load Regulation Across Input Voltage, VOUT2 = 3.3 V, Figure 15. Buck2 Efficiency vs. Load Current, Across Input Voltage, PWM Mode VOUT2 = 1.8 V, Auto Mode Rev. C | Page 9 of 28 Document Outline FEATURES APPLICATIONS GENERAL DESCRIPTION TABLE OF CONTENTS REVISION HISTORY SPECIFICATIONS BUCK1 AND BUCK2 SPECIFICATIONS LDO SPECIFICATIONS ABSOLUTE MAXIMUM RATINGS THERMAL DATA THERMAL RESISTANCE ESD CAUTION PIN CONFIGURATION AND FUNCTION DESCRIPTIONS TYPICAL PERFORMANCE CHARACTERISTICS THEORY OF OPERATION POWER MANAGEMENT UNIT Thermal Protection Undervoltage Lockout Enable/Shutdown BUCK SECTION Control Scheme PWM Mode Power Save Mode (PSM) PSM Current Threshold Oscillator/Phasing of Inductor Switching Enable/Shutdown Short-Circuit Protection Soft Start Current Limit 100% Duty Operation LDO SECTION LDO Undervoltage Lockout APPLICATIONS INFORMATION BUCK EXTERNAL COMPONENT SELECTION Inductor Output Capacitor Input Capacitor LDO CAPACITOR SELECTION Output Capacitor Input Bypass Capacitor Input and Output Capacitor Properties PCB LAYOUT GUIDELINES EVALUATION BOARD SCHEMATICS AND ARTWORK SUGGESTED LAYOUT OUTLINE DIMENSIONS ORDERING GUIDE
8
0 0.1 0.2 0.3 0.4 0.5 0.6
57 0
0.0001 0.001 0.01 0.1 1
-03 3-
I
25 253
OUT (A) I
08
OUT (A)
08 Figure 10. Buck2 Load Regulation Across Temperature, VOUT2 = 1.8 V, Figure 13. Buck1 Efficiency vs. Load Current, Across Input Voltage, Auto Mode VOUT1 = 3.3 V, Auto Mode
100 1.834 VIN = 5.5V 90 VIN = 4.5V 1.824 VIN = 3.6V 80 VIN = 2.4V 1.814 70 ) ) % 60 V 1.804 Y ( B ( C T 50 IEN OUV 1.794 IC F 40 EF 1.784 30 V 20 IN = 3.6V VIN = 4.5V 1.774 10 VIN = 5.5V 1.764
4
0
9
0 0.1 0.2 0.3 0.4 0.5 0.6
05
0.001 0.01 0.1 1
3- -03
I
25 253
OUT (A) I
08
OUT (A)
08 Figure 11. Buck 2 Load Regulation Across Input Voltage, VOUT1 = 1.8 V, Figure 14. Buck1 Efficiency vs. Load Current, Across Input Voltage, PWM Mode VOUT1 = 3.3 V, PWM Mode
100 3.354 90 80 3.334 70 ) ) 3.314 % 60 V Y ( A ( C T 50 3.294 IEN OUV IC F 40 EF 3.274 30 VIN = 3.6V VIN = 5.5V V 20 IN = 4.5V V 3.254 IN = 4.5V VIN = 5.5V V 10 IN = 3.6V VIN = 2.4V 3.234
5
0
6
0 0.1 0.2 0.3 0.4 0.5 0.6
05
0.0001 0.001 0.01 0.1 1
3- -03
I
25 253
OUT (A) I
08
OUT (A)
08 Figure 12. Buck1 Load Regulation Across Input Voltage, VOUT2 = 3.3 V, Figure 15. Buck2 Efficiency vs. Load Current, Across Input Voltage, PWM Mode VOUT2 = 1.8 V, Auto Mode Rev. C | Page 9 of 28 Document Outline FEATURES APPLICATIONS GENERAL DESCRIPTION TABLE OF CONTENTS REVISION HISTORY SPECIFICATIONS BUCK1 AND BUCK2 SPECIFICATIONS LDO SPECIFICATIONS ABSOLUTE MAXIMUM RATINGS THERMAL DATA THERMAL RESISTANCE ESD CAUTION PIN CONFIGURATION AND FUNCTION DESCRIPTIONS TYPICAL PERFORMANCE CHARACTERISTICS THEORY OF OPERATION POWER MANAGEMENT UNIT Thermal Protection Undervoltage Lockout Enable/Shutdown BUCK SECTION Control Scheme PWM Mode Power Save Mode (PSM) PSM Current Threshold Oscillator/Phasing of Inductor Switching Enable/Shutdown Short-Circuit Protection Soft Start Current Limit 100% Duty Operation LDO SECTION LDO Undervoltage Lockout APPLICATIONS INFORMATION BUCK EXTERNAL COMPONENT SELECTION Inductor Output Capacitor Input Capacitor LDO CAPACITOR SELECTION Output Capacitor Input Bypass Capacitor Input and Output Capacitor Properties PCB LAYOUT GUIDELINES EVALUATION BOARD SCHEMATICS AND ARTWORK SUGGESTED LAYOUT OUTLINE DIMENSIONS ORDERING GUIDE