Datasheet ADP2443 (Analog Devices) - 21

Data Sheet ADP2443 RECOMMENDED EXTERNAL COMPONENTS Table 8. Recommended External Components for Typical Applications with a 3 A Output Current fSW (kHz) VIN (V) VOUT (V) L (µH) COUT (µF)1 RTOP (kΩ) RBOT (kΩ) RRAMP (kΩ) RC (kΩ) CC (pF) CCP (pF)
300 12 1 3.3 470 + 100 10 15 845 33.2 5600 120 1.2 3.3 330 + 100 10 10 845 29.4 5600 100 1.5 4.7 330 15 10 1000 30.9 5600 100 1.8 4.7 220 20 10 1000 24.9 5600 82 2.5 6.8 3 × 100 47.5 15 1500 28 5600 12 3.3 8.2 2 × 100 10 2.21 2700 24.9 5600 10 5 10 2 × 47 22 3 2700 18.7 5600 6.8 24 1 3.3 470 + 100 10 15 845 33.2 5600 120 1.2 4.7 470 + 100 10 10 1000 40.2 5600 100 1.5 4.7 330 15 10 1000 30.9 5600 100 1.8 6.8 330 20 10 1500 37.4 5600 82 2.5 8.2 220 47.5 15 2700 34.8 5600 68 3.3 10 3 × 100 10 2.21 2700 37.4 5600 10 5 15 2 × 100 22 3 3300 28 5600 6.8 8 22 2 × 47 44.2 3.57 5600 22.1 5600 3.9 12 22 47 52.3 2.74 5600 10.5 5600 2.7 600 12 1 1.5 220 + 47 10 15 383 31.6 2700 56 1.2 2.2 220 + 47 10 10 562 37.4 2700 47 1.5 2.2 3 × 100 15 10 562 34 2700 10 1.8 3.3 3 × 100 20 10 845 41.2 2700 8.2 2.5 3.3 100 + 47 47.5 15 845 28 2700 6.8 3.3 4.7 2 × 47 10 2.21 1000 24.9 2700 4.7 5 4.7 47 22 3 1000 18.7 2700 3.3 24 1.2 2.2 220 + 47 10 10 562 37.4 2700 47 1.5 2.2 3 × 100 15 10 562 34 2700 10 1.8 3.3 3 × 100 20 10 845 41.2 2700 8.2 2.5 4.7 2 × 100 47.5 15 1000 37.4 2700 6.8 3.3 4.7 2 × 47 10 2.21 1000 24.9 2700 4.7 5 6.8 100 22 3 1500 28 2700 3.3 8 10 47 44.2 3.57 2700 22.1 2700 1.8 12 10 47 52.3 2.74 2700 21 2700 1.2 1200 12 1.2 1 2 × 100 10 10 255 36.5 1200 6.8 1.5 1 2 × 47 15 10 255 22.6 1200 5.6 1.8 1.5 100 + 47 20 10 383 41.2 1200 4.7 2.5 1.5 100 47.5 15 383 37.4 1200 3.3 3.3 2.2 47 10 2.21 562 24.9 1200 2.2 5 2.2 47 22 3 562 37.4 1200 1.5 24 2.5 2.2 100 47.5 15 562 37.4 1200 3.3 3.3 2.2 47 10 2.21 562 24.9 1200 2.2 5 3.3 47 22 3 845 37.4 1200 1.5 8 4.7 47 44.2 3.57 1000 44.2 1200 1 12 4.7 47 52.3 2.74 1000 42.2 1200 0.5 1 680 μF: 4 V, KEMET T520Y687M004ATE010; 470 μF: 6.3 V, KEMET T520X477M006ATE010; 330 μF: 6.3 V, KEMET T520D337M006ATE009; 220 μF: 6.3 V, KEMET T520D227M006ATE009; 100 μF: 6.3 V, X5R, Murata GRM32ER60J107ME20; 47 μF: 16 V, X5R, Murata GRM32ER61C476KE15K. Rev. 0 | Page 21 of 24 Document Outline FEATURES APPLICATIONS TYPICAL APPLICATION CIRCUIT GENERAL DESCRIPTION REVISION HISTORY FUNCTIONAL BLOCK DIAGRAM SPECIFICATIONS ABSOLUTE MAXIMUM RATINGS THERMAL RESISTANCE ESD CAUTION PIN CONFIGURATION AND FUNCTION DESCRIPTIONS TYPICAL PERFORMANCE CHARACTERISTICS THEORY OF OPERATION CONTROL SCHEME PRECISION ENABLE/SHUTDOWN INTERNAL REGULATOR (VREG) BOOTSTRAP CIRCUITRY OSCILLATOR SYNCHRONIZATION SOFT START POWER GOOD PEAK CURRENT-LIMIT AND SHORT-CIRCUIT PROTECTION OVERVOLTAGE PROTECTION (OVP) UNDERVOLTAGE LOCKOUT (UVLO) THERMAL SHUTDOWN APPLICATIONS INFORMATION INPUT CAPACITOR SELECTION OUTPUT VOLTAGE SETTING VOLTAGE CONVERSION LIMITATIONS INDUCTOR SELECTION OUTPUT CAPACITOR SELECTION PROGRAMMING INPUT VOLTAGE UVLO SLOPE COMPENSATION SETTING COMPENSATION DESIGN ADIsimPOWER DESIGN TOOL DESIGN EXAMPLE OUTPUT VOLTAGE SETTING FREQUENCY SETTING INDUCTOR SELECTION OUTPUT CAPACITOR SELECTION SLOPE COMPENSATION SETTING COMPENSATION COMPONENTS SOFT START TIME PROGRAM INPUT CAPACITOR SELECTION RECOMMENDED EXTERNAL COMPONENTS PRINTED CIRCUIT BOARD LAYOUT RECOMMENDATIONS TYPICAL APPLICATIONS CIRCUITS OUTLINE DIMENSIONS ORDERING GUIDE