Datasheet ADP2325 (Analog Devices) - 27

link to page 27
Data Sheet ADP2325 EXTERNAL COMPONENTS RECOMMENDATIONS Table 12. Recommended External Components for Typical Applications with 5 A Output Current f (kHz) V (V) V (V) L (µH) C (µF)1 R (kΩ) R (kΩ) R (kΩ) C (pF) C (pF) SW IN OUT OUT TOP BOT C C CP
300 12 1 2.2 2 × 330 10 15 47 2700 56 12 1.2 2.2 2 × 330 10 10 59 2700 56 12 1.5 3.3 2 × 330 15 10 75 2700 47 12 1.8 3.3 330 20 10 43 2700 68 12 2.5 4.7 330 47.5 15 62 2700 56 12 3.3 4.7 2 × 100 10 2.21 33 2700 3.3 12 5 6.8 100 + 47 22 3 36 2700 3.3 5 1 1.5 2 × 330 10 15 49 2700 68 5 1.2 2.2 2 × 330 10 10 59 2700 56 5 1.5 2.2 330 15 10 37 2700 82 5 1.8 2.2 330 20 10 43 2700 68 5 2.5 2.2 2 × 100 47.5 15 22 2700 4.7 5 3.3 2.2 100 10 2.21 15 2700 4.7 600 12 1.5 1.5 330 15 10 75 1500 47 12 1.8 1.5 3 × 100 20 10 53 1500 2.2 12 2.5 2.2 2 × 100 47.5 15 47 1500 2.2 12 3.3 2.2 100 + 47 10 2.21 47 1500 2.2 12 5 3.3 100 22 3 47 1500 2.2 5 1 1 330 10 15 49 1500 68 5 1.2 1 330 10 10 59 1500 56 5 1.5 1 2 × 100 15 10 27 1500 4.7 5 1.8 1.5 2 × 100 20 10 33 1500 3.3 5 2.5 1.5 100 + 47 47.5 15 33 1500 2.2 5 3.3 1.5 100 10 2.21 30 1500 4.7 1000 12 1.8 1 2 × 100 20 10 56 820 2.2 12 2.5 1 100 47.5 15 39 820 2.2 12 3.3 1.5 100 10 2.21 53 820 2.2 12 5 2 47 22 3 39 820 2.2 5 1 0.56 3 × 100 10 15 47 820 2.2 5 1.2 0.56 2 × 100 10 10 37 820 6.8 5 1.5 0.68 2 × 100 15 10 47 820 4.7 5 1.8 0.8 100 + 47 20 10 43 820 4.7 5 2.5 0.8 100 47.5 15 43 820 4.7 5 3.3 0.8 47 10 2.21 27 820 2.2 1 330 µF: 6.3 V, Sanyo 6TPD330M; 100 µF: 6.3 V, X5R, Murata GRM32ER60J107ME20; 47 µF: 6.3 V, X5R, Murata GRM32ER60J476ME20. Rev. A | Page 27 of 32 Document Outline Features Applications Typical Application Circuit General Description Revision History Functional Block Diagram Specifications Absolute Maximum Ratings Thermal Resistance Boundary Condition ESD Caution Pin Configuration and Function Descriptions Typical Performance Characteristics Theory of Operation Control Scheme PWM Mode PFM Mode Precision Enable/Shutdown Separate Input Voltages Internal Regulator (INTVCC) Bootstrap Circuitry Low-Side Driver Oscillator Synchronization Soft Start Peak Current-Limit and Short-Circuit Protection Voltage Tracking Coincident Tracking Ratiometric Tracking Parallel Operation Power Good Overvoltage Protection Undervoltage Lockout Thermal Shutdown Applications Information ADIsimPower Design Tool Input Capacitor Selection Output Voltage Setting Voltage Conversion Limitations Current-Limit Setting Inductor Selection Output Capacitor Selection Low-Side Power Device Selection Programming the UVLO Input Compensation Components Design Design Example Output Voltage Setting Current-Limit Setting Frequency Setting Inductor Selection Output Capacitor Selection Low-Side MOSFET Selection Compensation Components Soft Start Time Programming Input Capacitor Selection External Components Recommendations Typical Application Circuits Packaging and Ordering Information Outline Dimensions Ordering Guide