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ADP7183ACPZN2.5-R7 数据表(PDF) 3 Page - Analog Devices |
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ADP7183ACPZN2.5-R7 数据表(HTML) 3 Page - Analog Devices |
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3 / 19 page  Data Sheet ADP7183 Rev. 0 | Page 3 of 19 SPECIFICATIONS VIN = (VOUT − 0.5 V) or −2 V (whichever is greater), EN = VIN, IOUT = −10 mA, CIN = COUT = 4.7 µF, CAFB = 10 nF, CA = CREG = 1 µF, TA = 25°C for typical specifications, TJ = −40°C to +125°C for minimum/maximum specifications, unless otherwise noted. Table 1. Parameter Symbol Test Conditions/Comments Min Typ Max Unit INPUT VOLTAGE RANGE VIN −2.0 −5.5 V OPERATING SUPPLY CURRENT IGND IOUT = 0 µA −0.6 −0.90 mA IOUT = −300 mA −4.0 −7.0 mA SHUTDOWN CURRENT IGND-SD EN = GND, VIN = −5.5 V −2 −7 µA OUTPUT NOISE1 OUTNOISE 10 Hz to 100 kHz, CAFB = 1 nF 7 µV rms 10 Hz to 100 kHz, CAFB = 10 nF 5 µV rms 100 Hz to 100 kHz, CAFB = 1 nF 6 µV rms 100 Hz to 100 kHz, CAFB = 10 nF 4 µV rms NOISE SPECTRAL DENSITY1 OUTNSD 100 Hz, CAFB = 1 nF 300 nV/√Hz 100 Hz, CAFB = 10 nF 100 nV/√Hz 10 kHz to 1 MHz, CAFB = 1 nF to 1 µF 20 nV/√Hz POWER SUPPLY REJECTION RATIO1 PSRR IOUT = −300 mA, VOUT = −3.3 V, VIN = −3.8 V At 1 kHz 85 dB At 10 kHz 75 dB At 100 kHz 62 dB At 1 MHz 40 dB OUTPUT VOLTAGE VOUT −0.5 −4.5 V Output Voltage Accuracy IOUT = −10 mA −0.5 +0.5 % −1 mA < IOUT < −300 mA, VIN = (VOUT − 0.5 V) to −5.5 V −2.6 +2.6 % OUTPUT VOLTAGE REFERENCE FEEDBACK VAFB Adjustable model voltage reference −0.487 −0.5 −0.513 V VAFB Accuracy Adjustable model, VIN = −2 V, IOUT = −10 mA −2.6 +2.6 % REGULATION Line ΔVOUT/∆VIN VIN = (VOUT − 0.5 V) to −5.5 V −0.1 +0.3 %/V Load2 ∆VOUT/∆IOUT IOUT = −1 mA to −300 mA 0.8 2.6 %/A INPUT BIAS CURRENT SENSE SENSEI-BIAS −1 mA < IOUT < −300 mA, VIN = (VOUT − 0.5 V) to −5.5 V −10 nA VAFB VAFB-BIAS −1 mA < IOUT < −300 mA, VIN = (VOUT − 0.5 V) to −5.5 V −10 nA DROPOUT VOLTAGE3 VDROPOUT IOUT = −100 mA −40 −65 mV IOUT = −300 mA −130 −220 mV PULL-DOWN RESISTANCE VEN = 0 V Output Voltage VOUT-PULL VOUT = −1 V 280 Ω Regulated Input Supply Voltage VREG-PULL VREG = −1 V 1.3 kΩ Low Noise Reference Voltage VA-PULL VA = −1 V 50 Ω START-UP TIME4 tSTART-UP VOUT = −4.5 V, CAFB = 1 nF, CA = 1 µF 15 ms VOUT = −4.5 V, CAFB = 10 nF, CA = 1 µF 55 ms VOUT = −1.2 V, CAFB = 1 nF, CA = 1 µF 4 ms VOUT = −1.2 V, CAFB = 10 nF, CA = 1 µF 10 ms VOUT = −0.5 V, no CAFB, CA = 1 µF 1.5 ms CURRENT-LIMIT THRESHOLD5 ILIMIT −400 −600 −800 mA THERMAL SHUTDOWN Threshold TSSD TJ rising 150 °C Hysteresis TSSD-HYS 15 °C |
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