Datasheet ADP2118 (Analog Devices) - 8
| Fabricante | Analog Devices |
| Descripción | 3 A, 1.2 MHz/600 kHz High Efficiency Synchronous Step-Down DC-to-DC Regulator |
| Páginas / Página | 24 / 8 — ADP2118. Data Sheet. 100. FFIC. OUT = 1.0V. OUT = 1.2V. OUT = 1.5V. VOUT … |
| Revisión | E |
| Formato / tamaño de archivo | PDF / 1.1 Mb |
| Idioma del documento | Inglés |
ADP2118. Data Sheet. 100. FFIC. OUT = 1.0V. OUT = 1.2V. OUT = 1.5V. VOUT = 1.8V. OUT = 1.8V. INDUCTOR SUMIDA. OUT = 2.5V. CDRH105R2R2NC
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ADP2118 Data Sheet 100 100 90 90 80 80 70 70 %) %) ( 60 ( 60 Y Y C C N 50 N 50 IE IE 40 40 FFIC FFIC E E 30 30 V V OUT = 1.0V OUT = 1.0V 20 V V OUT = 1.2V 20 OUT = 1.2V V V OUT = 1.5V OUT = 1.5V V VOUT = 1.8V 10 OUT = 1.8V INDUCTOR SUMIDA V 10 V OUT = 2.5V INDUCTOR SUMIDA OUT = 2.5V CDRH105R2R2NC V V OUT = 3.3V CDRH105R2R2NC OUT = 3.3V 0 0 0 0.5 1.0 1.5 2.0 2.5 3.0
020
0 0.5 1.0 1.5 2.0 2.5 3.0
023
OUTPUT CURRENT(A) OUTPUT CURRENT (A)
08301- 08301- Figure 10. Efficiency (600 kHz, VIN = 5 V, FPWM) vs. Output Current Figure 13. Efficiency (600 kHz, VIN = 5 V, PFM) vs. Output Current
120 606 605 115 604 A) 110 603 µ V) ( 602 NT 105 E (m G A 601 LT 100 O CURRE 600 NT 599 95 CE S E 598 DBACK V UI E 90 E Q 597 F 596 85 TJ = –40°C TJ = +25°C 595 TJ = +125°C 80 594 2.3 2.7 3.1 3.5 3.9 4.3 4.7 5.1 5.5
021
–40 –20 0 20 40 60 80 100 120
024
VIN (V) TEMPERATURE (°C)
08301- 08301- Figure 11. Quiescent Current vs. VIN (No Switching) Figure 14. Feedback Voltage vs. Temperature (VIN = 3.3 V)
130 80 120 70 110 ) ) 60 100 (mΩ (mΩ R R O 90 50 O T T S S ESI 80 ESI 40 R R ET 70 ET F PF N 30 60 T 20 TJ = –40°C 50 J = –40°C T T J = +25°C J = +25°C T T J = +125°C J = +125°C 40 10 2.3 2.7 3.1 3.5 3.9 4.3 4.7 5.1 5.5 2.3 2.7 3.1 3.5 3.9 4.3 4.7 5.1 5.5
022 025
VIN (V) VIN (V)
08301- 08301- Figure 12. PFET Resistor vs. VIN (Pin-to-Pin Measurements) Figure 15. NFET Resistor vs. VIN (Pin-to-Pin Measurements) Rev. E | Page 8 of 24 Document Outline Features Applications General Description Revision History Specifications Absolute Maximum Ratings Thermal Resistance Boundary Conditions ESD Caution Pin Configuration and Function Descriptions Typical Performance Characteristics Functional Block Diagram Theory of Operation Control Scheme PWM Mode Operation PFM Mode Operation Slope Compensation Enable/Shutdown Integrated Soft Start Tracking Oscillator and Synchronization Current Limit and Short-Circuit Protection Overvoltage Protection (OVP) Undervoltage Lockout (UVLO) Thermal Shutdown Power Good Applications Information ADIsimPower™ Design Tool Output Voltage Selection Inductor Selection Output Capacitor Selection Input Capacitor Selection Voltage Tracking Typical Application Circuits Outline Dimensions Ordering Guide
020
0 0.5 1.0 1.5 2.0 2.5 3.0
023
OUTPUT CURRENT(A) OUTPUT CURRENT (A)
08301- 08301- Figure 10. Efficiency (600 kHz, VIN = 5 V, FPWM) vs. Output Current Figure 13. Efficiency (600 kHz, VIN = 5 V, PFM) vs. Output Current
120 606 605 115 604 A) 110 603 µ V) ( 602 NT 105 E (m G A 601 LT 100 O CURRE 600 NT 599 95 CE S E 598 DBACK V UI E 90 E Q 597 F 596 85 TJ = –40°C TJ = +25°C 595 TJ = +125°C 80 594 2.3 2.7 3.1 3.5 3.9 4.3 4.7 5.1 5.5
021
–40 –20 0 20 40 60 80 100 120
024
VIN (V) TEMPERATURE (°C)
08301- 08301- Figure 11. Quiescent Current vs. VIN (No Switching) Figure 14. Feedback Voltage vs. Temperature (VIN = 3.3 V)
130 80 120 70 110 ) ) 60 100 (mΩ (mΩ R R O 90 50 O T T S S ESI 80 ESI 40 R R ET 70 ET F PF N 30 60 T 20 TJ = –40°C 50 J = –40°C T T J = +25°C J = +25°C T T J = +125°C J = +125°C 40 10 2.3 2.7 3.1 3.5 3.9 4.3 4.7 5.1 5.5 2.3 2.7 3.1 3.5 3.9 4.3 4.7 5.1 5.5
022 025
VIN (V) VIN (V)
08301- 08301- Figure 12. PFET Resistor vs. VIN (Pin-to-Pin Measurements) Figure 15. NFET Resistor vs. VIN (Pin-to-Pin Measurements) Rev. E | Page 8 of 24 Document Outline Features Applications General Description Revision History Specifications Absolute Maximum Ratings Thermal Resistance Boundary Conditions ESD Caution Pin Configuration and Function Descriptions Typical Performance Characteristics Functional Block Diagram Theory of Operation Control Scheme PWM Mode Operation PFM Mode Operation Slope Compensation Enable/Shutdown Integrated Soft Start Tracking Oscillator and Synchronization Current Limit and Short-Circuit Protection Overvoltage Protection (OVP) Undervoltage Lockout (UVLO) Thermal Shutdown Power Good Applications Information ADIsimPower™ Design Tool Output Voltage Selection Inductor Selection Output Capacitor Selection Input Capacitor Selection Voltage Tracking Typical Application Circuits Outline Dimensions Ordering Guide