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ADP5024 Datasheet(PDF) 4 Page - Analog Devices |
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ADP5024 Datasheet(HTML) 4 Page - Analog Devices |
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4 / 24 page  ADP5135 Data Sheet Rev. 0 | Page 4 of 24 BUCK1, BUCK2, AND BUCK3 VAVIN = VIN1 = VIN2 = VIN3 = 3.0 V to 5.5 V; TJ = −40°C to +125°C for minimum/maximum specifications, and TA = 25°C for typical specifications, unless otherwise noted.1 Table 3. Parameter Symbol Test Conditions/Comments Min Typ Max Unit OUTPUT CHARACTERISTICS Output Voltage Accuracy ΔVOUT1/VOUT1, ΔVOUT2/VOUT2, ΔVOUT3/VOUT3 PWM mode; ILOAD1 = ILOAD2 = ILOAD3 = 0 mA −1.8 +1.8 % Line Regulation (ΔVOUT1/VOUT1)/ΔVIN1, (ΔVOUT2/VOUT2)/ΔVIN2, (ΔVOUT3/VOUT3)/ΔVIN3 PWM mode −0.05 %/V Load Regulation (ΔVOUT1/VOUT1)/ΔIOUT1, (ΔVOUT2/VOUT2)/ΔIOUT2, (ΔVOUT3/VOUT3)/ΔIOUT3 ILOAD = 0 mA to 1800 mA, PWM mode −0.1 %/A VOLTAGE FEEDBACK VFB1, VFB2 Models with adjustable outputs 0.491 0.5 0.509 V OPERATING SUPPLY CURRENT MODE = ground BUCK1 Only IIN1 ILOAD1 = 0 mA, device not switching, all other channels disabled 42 μA BUCK2 Only IIN2 ILOAD2 = 0 mA, device not switching, all other channels disabled 52 μA BUCK3 Only IIN3 ILOAD3 = 0 mA, device not switching, all other channels disabled 52 μA BUCK1, BUCK2, and BUCK3 IIN ILOAD1 = ILOAD2 = ILOAD3 = 0 mA, device not switching 85 μA PSM CURRENT THRESHOLD IPSM PSM to PWM operation 100 mA SWx CHARACTERISTICS SWx On Resistance RNFET VIN1 = VIN2 = VIN3 = 3.6 V 140 225 mΩ RPFET VIN1 = VIN2 = VIN3 = 3.6 V 190 295 mΩ RNFET VIN1 = VIN2 = VIN3 = 5.5 V 122 189 mΩ RPFET VIN1 = VIN2 = VIN3 = 5.5 V 147 228 mΩ Current Limit ILIMIT1, ILIMIT2, ILIMIT3 Positive channel field effect transistor (PFET) switch peak current limit 2250 2600 2950 mA ACTIVE PULL-DOWN RESISTANCE R PWDN VIN1 = VIN2 = VIN3 = 3.6 V; channel disabled 75 Ω OSCILLATOR FREQUENCY fSW 2.5 3.0 3.5 MHz 1 All limits at temperature extremes are guaranteed via correlation using standard statistical quality control (SQC). INPUT AND OUTPUT CAPACITORS, RECOMMENDED TA = −40°C to +125°C, unless otherwise specified. Table 4. Parameter Symbol Min Typ Max Unit NOMINAL INPUT AND OUTPUT CAPACITOR RATINGS BUCK1, BUCK2, and BUCK3 Input Capacitor Ratings CMIN1, CMIN2, CMIN3 4.7 40 μF Output Capacitor Ratings CMIN4, CMIN5, CMIN6 10 40 μF CAPACITOR ESR RESR 0.001 1 Ω |
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