Datasheet ADP5072 (Analog Devices) - 8

FabricanteAnalog Devices
Descripción1 A/0.6 A DC-to-DC Switching Regulator with Independent Positive and Negative Outputs
Páginas / Página24 / 8 — ADP5072. Data Sheet. 100. NCY. ICI. VIN = 3.3V, fSW = 1.2MHz. VIN = 3.3V, …
Formato / tamaño de archivoPDF / 655 Kb
Idioma del documentoInglés

ADP5072. Data Sheet. 100. NCY. ICI. VIN = 3.3V, fSW = 1.2MHz. VIN = 3.3V, fSW = 2.4MHz. VIN = 5.0V, fSW = 1.2MHz

ADP5072 Data Sheet 100 NCY ICI VIN = 3.3V, fSW = 1.2MHz VIN = 3.3V, fSW = 2.4MHz VIN = 5.0V, fSW = 1.2MHz

Línea de modelo para esta hoja de datos

Versión de texto del documento

ADP5072 Data Sheet 100 100 90 90 80 80 70 70 %) %) ( 60 ( 60 NCY NCY E 50 E 50 ICI ICI F F F 40 F 40 E E 30 30 20 VIN = 3.3V, fSW = 1.2MHz 20 VIN = 3.3V, fSW = 1.2MHz VIN = 3.3V, fSW = 2.4MHz VIN = 3.3V, fSW = 2.4MHz 10 VIN = 5.0V, fSW = 1.2MHz 10 VIN = 5.0V, fSW = 1.2MHz VIN = 5.0V, fSW = 2.4MHz VIN = 5.0V, fSW = 2.4MHz 0 0 0.001 0.01 0.1 1.0
009
0.001 0.01 0.1 1.0
012
LOAD CURRENT (A)
16646-
LOAD CURRENT (A)
16646- Figure 9. Efficiency vs. Load Current for Boost Regulator, VPOS = 9 V, TA = 25°C Figure 12. Efficiency vs. Load Current for Inverting Regulator, VNEG = −9 V, TA = 25°C
100 100 90 90 80 80 70 70 %) %) ( 60 ( 60 NCY NCY E 50 E 50 ICI ICI F F F 40 F 40 E E 30 30 20 VIN = 3.3V, fSW = 1.2MHz 20 VIN = 3.3V, fSW = 1.2MHz VIN = 3.3V, fSW = 2.4MHz VIN = 3.3V, fSW = 2.4MHz 10 VIN = 5.0V, fSW = 1.2MHz 10 VIN = 5.0V, fSW = 1.2MHz VIN = 5.0V, fSW = 2.4MHz VIN = 5.0V, fSW = 2.4MHz 0 0 0.001 0.01 0.1 1.0
010
0.001 0.01 0.1 1.0
013
LOAD CURRENT (A)
16646-
LOAD CURRENT (A)
16646- Figure 10. Efficiency vs. Load Current for Boost Regulator, VPOS = 15 V, Figure 13. Efficiency vs. Load Current for Inverting Regulator, VNEG = −15 V, TA = 25°C TA = 25°C
100 100 VIN = 3.3V, fSW = 1.2MHz 90 VIN = 5V, fSW = 1.2MHz 90 VIN = 5V, fSW = 2.4MHz 80 80 70 70 %) %) ( 60 ( 60 Y Y C C N 50 N 50 IE IE 40 FFIC 40 FFIC E E 30 30 20 20 VIN = 3.3V, fSW = 1.2MHz 10 10 VIN = 5V, fSW = 1.2MHz VIN = 5V, fSW = 2.4MHz 0
1
0
1
0.001 0.01 0.1
2 214
0.001 0.01 0.1 LOAD CURRENT (A) LOAD CURRENT (A)
16646- 16646- Figure 11. Efficiency vs. Load Current for Boost Regulator, VPOS = 35 V, Figure 14. Efficiency vs. Load Current for Inverting Regulator, VNEG = −30 V, TA = 25°C TA = 25°C Rev. 0 | Page 8 of 24 Document Outline FEATURES APPLICATIONS TYPICAL APPLICATION CIRCUIT GENERAL DESCRIPTION TABLE OF CONTENTS REVISION HISTORY SPECIFICATIONS ABSOLUTE MAXIMUM RATINGS THERMAL RESISTANCE ESD CAUTION PIN CONFIGURATION AND FUNCTION DESCRIPTIONS TYPICAL PERFORMANCE CHARACTERISTICS THEORY OF OPERATION PWM MODE PSM MODE UNDERVOLTAGE LOCKOUT (UVLO) OSCILLATOR AND SYNCHRONIZATION INTERNAL REGULATOR PRECISION ENABLING SOFT START SLEW RATE CONTROL CURRENT-LIMIT PROTECTION OVERVOLTAGE PROTECTION THERMAL SHUTDOWN START-UP SEQUENCE APPLICATIONS INFORMATION COMPONENT SELECTION Feedback Resistors OUTPUT CAPACITORS Input Capacitor VREF Capacitor Soft Start Resistor Diodes Inductor Selection for the Boost Regulator Inductor Selection for the Inverting Regulator LOOP COMPENSATION Boost Regulator Inverting Regulator COMMON APPLICATIONS LAYOUT CONSIDERATIONS OUTLINE DIMENSIONS ORDERING GUIDE