Datasheet ADP2118 (Analog Devices) - 10

ADP2118 Data Sheet EN EN 3 3 VOUT VOUT 1 1 PGOOD PGOOD 2 2 IL IL 4 4
032 035 08301- 08301-
CH1 500mV CH2 5V M1ms A CH3 3.10V CH1 500mV CH2 5V M1ms A CH3 3.10V CH3 5V CH4 2A Ω T 20.40% CH3 5V CH4 2A Ω T 30.2%
Figure 22. Soft Start with Full Load (1.2 MHz, VIN = 5 V) Figure 25. Soft Start with Precharge (1.2 MHz, VIN = 5 V)
VOUT (AC) VOUT (AC) 1 1 I I O O 4 4
033 036 08301- 08301-
CH1 50mV M200µs A CH4 1.36A CH1 50mV M200µs A CH4 1.36A CH4 2A Ω T 30.40% CH4 2A Ω T 30.40%
Figure 23. Load Transient (1.2 MHz, PFM, VIN = 5 V) Figure 26. Load Transient (1.2 MHz, FPWM, VIN = 5 V)
SYNC SYNC 2 2 SW SW 3 3
034 037 08301- 08301-
CH2 2V M 400ns A CH2 2.88V CH2 2V M400ns A CH2 2.88V CH3 2V T –8ns CH3 2V T –8ns
Figure 24. Synchronized to 1 MHz In Phase Figure 27. Synchronized to 1 MHz 180° Out of Phase Rev. E | Page 10 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