Datasheet ADP2118 (Analog Devices) - 7

Data Sheet ADP2118 TYPICAL PERFORMANCE CHARACTERISTICS
TA = 25°C, VIN = 5 V, VOUT = 1.2 V, L = 1 µH, CIN = 100 µF, COUT = 100 µF, unless otherwise noted.
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 20 OUT = 1.0V OUT = 1.0V V 20 OUT = 1.2V VOUT = 1.2V VOUT = 1.5V VOUT = 1.5V 10 INDUCTOR COILCRAFT VOUT = 1.8V 10 V INDUCTOR COILCRAFT OUT = 1.8V MSS1038-102NL VOUT = 2.5V V MSS1038-102NL OUT = 2.5V 0 0 0 0.5 1.0 1.5 2.0 2.5 3.0
014
0 0.5 1.0 1.5 2.0 2.5 3.0
017
OUTPUT CURRENT (A) OUTPUT CURRENT (A)
08301- 08301- Figure 4. Efficiency (1.2 MHz, VIN = 3.3 V, FPWM) vs. Output Current Figure 7. Efficiency (1.2 MHz, VIN = 3.3 V, PFM) vs. Output Current
100 100 90 90 80 80 70 70 %) %) ( 60 ( 60 Y Y C C N 50 N 50 IE IE 40 FFIC 40 FFIC E E 30 30 VOUT = 1.0V VOUT = 1.0V V V 20 OUT = 1.2V OUT = 1.2V V 20 OUT = 1.5V VOUT = 1.5V VOUT = 1.8V VOUT = 1.8V 10 INDUCTOR COILCRAFT VOUT = 2.5V 10 INDUCTOR COILCRAFT VOUT = 2.5V MSS1038-102NL VOUT = 3.3V MSS1038-102NL VOUT = 3.3V 0 0 0 0.5 1.0 1.5 2.0 2.5 3.0
015
0 0.5 1.0 1.5 2.0 2.5 3.0
018
OUTPUT CURRENT (A) OUTPUT CURRENT (A)
08301- 08301- Figure 5. Efficiency (1.2 MHz, VIN = 5 V, FPWM) vs. Output Current Figure 8. Efficiency (1.2 MHz, VIN = 5 V, PFM) vs. Output Current
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 20 OUT = 1.0V 20 OUT = 1.0V VOUT = 1.2V VOUT = 1.2V VOUT = 1.5V VOUT = 1.5V 10 INDUCTOR SUMIDA V 10 OUT = 1.8V INDUCTOR SUMIDA VOUT = 1.8V CDRH105R2R2NC VOUT = 2.5V CDRH105R2R2NC VOUT = 2.5V 0 0 0 0.5 1.0 1.5 2.0 2.5 3.0 0 0.5 1.0 1.5 2.0 2.5 3.0
016 019
OUTPUT CURRENT (A) OUTPUT CURRENT (A)
08301- 08301- Figure 6. Efficiency (600 kHz, VIN = 3.3 V, FPWM) vs. Output Current Figure 9. Efficiency (600 kHz, VIN = 3.3 V, PFM) vs. Output Current Rev. E | Page 7 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