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ADP3000AR-3.3 Datasheet(PDF) 3 Page - Analog Devices |
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ADP3000AR-3.3 Datasheet(HTML) 3 Page - Analog Devices |
3 / 16 page ADP3000 Rev. A | Page 3 of 16 SPECIFICATIONS 0°C ≤ TA ≤ +70°C, VIN = 3 V, unless otherwise noted.1 Table 1. ADP3000 Parameter Conditions Symbol Min Typ Max Unit INPUT VOLTAGE Step-up mode VIN 2.0 12.6 V Step-down mode 30.0 V SHUT-DOWN QUIESCENT CURRENT VFB > 1.43 V; VSENSE > 1.1 × VOUT IQ 500 µA COMPARATOR TRIP POINT VOLTAGE ADP30002 1.20 1.245 1.30 V OUTPUT SENSE VOLTAGE ADP3000-3.33 VOUT 3.135 3.3 3.465 V ADP3000-53 4.75 5.00 5.25 V ADP3000-123 11.40 12.00 12.60 V COMPARATOR HYSTERESIS ADP3000 8 12.5 mV OUTPUT HYSTERESIS ADP3000-3.3 32 50 mV ADP3000-5 32 50 mV ADP3000-12 75 120 mV OSCILLATOR FREQUENCY fOSC 350 400 450 kHz DUTY CYCLE VFB < VREF D 65 80 % SWITCH-ON TIME ILIM tied to VIN, VFB= 0 tON 1.5 2 2.55 µs SWITCH SATURATION VOLTAGE TA = +25°C VSAT Step-Up Mode VIN = 3.0 V, ISW = 650 mA 0.5 0.75 V VIN = 5.0 V, ISW = 1 A 0.8 1.1 V Step-Down Mode VIN = 12 V, ISW = 650 mA 1.1 1.5 V FEEDBACK PIN BIAS CURRENT ADP3000 VFB = 0 V IFB 160 330 nA SET PIN BIAS CURRENT VSET = VREF ISET 200 400 nA GAIN BLOCK OUTPUT LOW ISINK = 300 µA, VSET = 1.00 V VOL 0.15 0.4 V REFERENCE LINE REGULATION 5 V ≤ VIN ≤ 30 V 0.02 0.15 %/V 2 V ≤ VIN ≤ 5 V 0.2 0.6 %/V GAIN BLOCK GAIN RL = 100 kΩ4 AV 1000 6000 V/V GAIN BLOCK CURRENT SINK VSET ≤ 1 V ISINK 300 µA CURRENT LIMIT 220 Ω from ILIM to VIN ILIM 400 mA CURRENT LIMIT TEMPERATURE COEFFICIENT −0.3 %/°C SWITCH-OFF LEAKAGE CURRENT Measured at SW1 pin 1 10 µA VSW1= 12 V, TA = +25°C MAXIMUM EXCURSION BELOW GND TA = +25°C ISW1 ≤ 10 µA, switch off −400 −350 mV 1 All limits at temperature extremes are guaranteed via correlation using standard statistical methods. 2This specification guarantees that both the high and low trip points of the comparator fall within the 1.20 V to 1.30 V range. 3The output voltage waveform will exhibit a saw-tooth shape due to the comparator hysteresis. The output voltage on the fixed output versions will always be within the specified range. 4100 kΩ resistor connected between a 5 V source and the AO pin. |
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