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ADP5034ACPZ-R7 数据表(PDF) 4 Page - Analog Devices |
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ADP5034ACPZ-R7 数据表(HTML) 4 Page - Analog Devices |
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4 / 28 page  ADP5034 Data Sheet Rev. A | Page 4 of 28 BUCK1 AND BUCK2 SPECIFICATIONS VAVIN = VIN1 = VIN2 = 2.3 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 2. Parameter Symbol Test Conditions/Comments Min Typ Max Unit OUTPUT CHARACTERISTICS Output Voltage Accuracy VOUT1, VOUT2 PWM mode; ILOAD1 = ILOAD2 = 0 mA to 1200 mA −3 +3 % Line Regulation (ΔVOUT1/VOUT1)/ΔVIN1, (ΔVOUT2/VOUT2)/ΔVIN2 PWM mode −0.05 %/V Load Regulation (ΔVOUT1/VOUT1)/ΔIOUT1, (ΔVOUT2/VOUT2)/ΔIOUT2 ILOAD = 0 mA to 1200 mA, PWM mode −0.1 %/A VOLTAGE FEEDBACK VFB1, VFB2 Models with adjustable outputs 0.485 0.5 0.515 V OPERATING SUPPLY CURRENT MODE = ground BUCK1 Only IIN ILOAD1 = 0 mA, device not switching, all other channels disabled 44 μA BUCK2 Only IIN ILOAD2 = 0 mA, device not switching, all other channels disabled 55 μA BUCK1 and BUCK2 IIN ILOAD1 = ILOAD2 = 0 mA, device not switching, LDO channels disabled 67 μA PSM CURRENT THRESHOLD IPSM PSM to PWM operation 100 mA SW CHARACTERISTICS SW On Resistance RNFET VIN1 = VIN2 = 3.6 V 155 240 mΩ RPFET VIN1 = VIN2 = 3.6 V 205 310 mΩ RNFET VIN1 = VIN2 = 5.5 V 137 204 mΩ RPFET VIN1 = VIN2 = 5.5 V 162 243 mΩ Current Limit ILIMIT1, ILIMIT2 pFET switch peak current limit 1600 1950 2300 mA ACTIVE PULL-DOWN RPDWN-B 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). LDO1 AND LDO2 SPECIFICATIONS VIN3 = (VOUT3 + 0.5 V) or 1.7 V (whichever is greater) to 5.5 V, VIN4 = (VOUT4 + 0.5 V) or 1.7 V (whichever is greater) to 5.5 V; CIN = COUT = 1 μF; 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 INPUT VOLTAGE RANGE VIN3, VIN4 1.7 5.5 V OPERATING SUPPLY CURRENT Bias Current per LDO2 IVIN3BIAS/IVIN4BIAS IOUT3 = IOUT4 = 0 μA 10 30 μA IOUT3 = IOUT4 = 10 mA 60 100 μA IOUT3 = IOUT4 = 300 mA 165 245 μA Total System Input Current IIN Includes all current into AVIN, VIN1, VIN2, VIN3, and VIN4 LDO1 or LDO2 Only IOUT3 = IOUT4 = 0 μA, all other channels disabled 53 μA LDO1 and LDO2 Only IOUT3 = IOUT4 = 0 μA, buck channels disabled 74 μA OUTPUT CHARACTERISTICS Output Voltage Accuracy VOUT3, VOUT4 100 μA < IOUT3 < 300 mA, 100 μA < IOUT4 < 300 mA −3 +3 % Line Regulation (ΔVOUT3/VOUT3)/ΔVIN3, (ΔVOUT4/VOUT4)/ΔVIN4 IOUT3 = IOUT4 = 1 mA −0.03 +0.03 %/V Load Regulation3 (ΔVOUT3/VOUT3)/ΔIOUT3, (ΔVOUT4/VOUT4)/ΔIOUT4 IOUT3 = IOUT4 = 1 mA to 300 mA 0.001 0.003 %/mA |
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