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ADP1173AN-5 데이터시트(PDF) 2 Page - Analog Devices |
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ADP1173AN-5 데이터시트(HTML) 2 Page - Analog Devices |
2 / 16 page –2– REV. 0 ADP1173–SPECIFICATIONS (@ T A = 0 C to +70 C, VIN = 3 V unless otherwise noted) Model Symbol Conditions Min Typ Max Units QUIESCENT CURRENT IQ Switch Off 110 150 µA QUIESCENT CURRENT, BOOST MODE IQ No Load, TA = +25 °C CONFIGURATION ADP1173-3.3 135 µA ADP1173-5 135 µA ADP1173-12 250 µA INPUT VOLTAGE VIN Step-Up Mode 2.0 12.6 V Step-Down Mode 30 V COMPARATOR TRIP POINT VOLTAGE ADP1173 1 1.20 1.245 1.30 V OUTPUT SENSE VOLTAGE VOUT ADP1173-3.3 2 3.14 3.30 3.46 V ADP1173-5 2 4.75 5.00 5.25 V ADP1173-12 2 11.4 12.0 12.6 V COMPARATOR HYSTERESIS ADP1173 5 12 mV OUTPUT HYSTERESIS ADP1173-3.3 13 35 mV ADP1173-5 20 55 mV ADP1173-12 50 100 mV OSCILLATOR FREQUENCY fOSC 16 24 32 kHz DUTY CYCLE Full Load 43 55 63 % SWITCH ON TIME tON ILIM Tied to VIN 15 23 32 µs FEEDBACK PIN BIAS CURRENT ADP1173, VFB = 0 V 60 290 nA SET PIN BIAS CURRENT VSET = VREF 70 150 nA GAIN BLOCK OUTPUT LOW VOL ISINK = 100 µA, V SET = 1.00 V 0.15 0.4 V REFERENCE LINE REGULATION 2.0 V ≤ V IN ≤ 5 V 0.2 0.4 %/V 5 V ≤ V IN ≤ 30 V 0.02 0.075 %/V SWSAT VOLTAGE, STEP-UP MODE VSAT VIN = 3.0 V, ISW = 650 mA 0.5 0.85 V VIN = 5.0 V, ISW = 1 A, TA = +25 °C 0.8 1.0 V VIN = 5.0 V, ISW = 1 A 1.4 V SWSAT VOLTAGE, STEP-DOWN MODE VSAT VIN = 12 V, TA = +25 °C, ISW = 650 mA 1.1 1.5 V VIN = 12 V, ISW = 650 mA 1.7 V GAIN BLOCK GAIN AV RL = 100 k Ω3 400 1000 V/V CURRENT LIMIT 220 Ω from I LIM to VIN 400 mA TA = +25°C CURRENT LIMIT TEMPERATURE COEFFICIENT –0.3 %/ °C SWITCH-OFF LEAKAGE CURRENT Measured at SW1 Pin 1 10 µA TA = +25°C MAXIMUM EXCURSION BELOW GND VSW2 ISW1 ≤ 10 µA, Switch Off –400 –350 mV TA = +25°C NOTES 1This specification guarantees that both the high and low trip points of the comparator fall within the 1.20 V to 1.30 V range. 2The output voltage waveform will exhibit a sawtooth shape due to the comparator hysteresis. The output voltage on the fixed output versions will always be within the specified range. 3100 k Ω resistor connected between a 5 V source and the AO pin. Specifications subject to change without notice. |
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