Datasheet ADM7172-KGD (Analog Devices) - 3

制造商Analog Devices
描述6.5 V, 2 A, Ultralow Noise, High PSRR, Fast Transient Response CMOS LDO
页数 / 页7 / 3 — Known Good Die. ADM7172-KGD. SPECIFICATIONS. Table 1. Parameter. Symbol. …
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Known Good Die. ADM7172-KGD. SPECIFICATIONS. Table 1. Parameter. Symbol. Test Conditions/Comments. Min. Typ. Max. Unit

Known Good Die ADM7172-KGD SPECIFICATIONS Table 1 Parameter Symbol Test Conditions/Comments Min Typ Max Unit

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Known Good Die ADM7172-KGD SPECIFICATIONS
VIN = (VOUT + 0.5 V) or 2.3 V (whichever is greater), EN = VIN, ILOAD = 10 mA, CIN = COUT = 4.7 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 2.3 6.5 V LOAD CURRENT ILOAD 2 A OPERATING SUPPLY CURRENT IGND ILOAD = 0 µA 0.7 2.0 mA ILOAD = 2 A 4.8 8.7 mA SHUTDOWN CURRENT IGND-SD EN = GND, VIN = 5 V 0.25 3.8 µA OUTPUT VOLTAGE ACCURACY Fixed Output Voltage Accuracy VOUT ILOAD = 10 mA, TJ = 25°C −0.5 +1 % 100 μA < ILOAD < 2 A, VIN = (VOUT + 0.5 V) to 6.5 V −1.5 +1.5 % Adjustable Output Voltage VSENSE ILOAD = 10 mA 1.194 1.200 1.212 V Accuracy 10 mA < ILOAD < 2 A, VIN = (VOUT + 0.5 V) to 6.5 V 1.182 1.218 V REGULATION Line ∆VOUT/∆VIN VIN = (VOUT + 0.5 V) to 6.5 V −0.1 +0.1 %/V Load ∆VOUT/∆ILOAD ILOAD = 100 μA to 2 A 0.1 0.3 %/A SENSE INPUT BIAS CURRENT SENSEI-BIAS 100 μA < ILOAD < 2 A, VIN = (VOUT + 0.5 V) to 6.5 V 1 nA DROPOUT VOLTAGE1 VDROPOUT ILOAD = 500 mA, VOUT = 3 V 42 70 mV ILOAD = 1 A, VOUT = 3 V 84 135 mV ILOAD = 2 A, VOUT = 3 V 172 270 mV OUTPUT NOISE OUTNOISE 10 Hz to 100 kHz, all fixed output voltages 6 µV rms 100 Hz to 100 kHz, all fixed output voltages 5 µV rms Noise Spectral Density 100 Hz, all fixed output voltages 110 nV/√Hz 1 kHz, all fixed output voltages 40 nV/√Hz 10 kHz, all fixed output voltages 20 nV/√Hz 100 kHz, all fixed output voltages 12 nV/√Hz POWER SUPPLY REJECTION RATIO PSRR 100 kHz, VIN = 4.0 V, VOUT = 3 V, ILOAD = 1.5 A, CSS = 0 nF 60 dB 100 kHz, VIN = 3.5 V, VOUT = 3 V, ILOAD = 1.5 A, CSS = 0 nF 53 dB 100 kHz, VIN = 3.3 V, VOUT = 3 V, ILOAD = 1.5 A, CSS = 0 nF 42 dB 1 MHz, VIN = 4.0 V, VOUT = 3 V, ILOAD = 1.5 A, CSS = 0 nF 31 dB 1 MHz, VIN = 3.5 V, VOUT = 3 V, ILOAD = 1.5 A, CSS = 0 nF 30 dB 1 MHz, VIN = 3.3 V, VOUT = 3 V, ILOAD = 1.5 A, CSS = 0 nF 20 dB TRANSIENT LOAD RESPONSE tTR-REC Time for output voltage to settle within ±VSETTLE from 1.5 μs VDEV for a 1 mA to 1.5 A load step, load step rise time = 400 ns VDEV Output voltage deviation due to 1 mA to 1.5 A load step 35 mV VSETTLE Output voltage deviation after transient load response 0.1 % time (tTR-REC) has passed, VOUT = 5 V, COUT = 4.7 µF START-UP TIME2 tSTART-UP VOUT = 5 V, CSS = 0 nF 380 µs VOUT = 5 V, CSS = 1 nF 1.0 ms SOFT START CURRENT ISS VIN = 5 V 0.5 1 1.5 µA CURRENT-LIMIT THRESHOLD3 ILIMIT 2.4 3.3 3.9 A VOUT PULL-DOWN RESISTANCE VOUT-PULL EN = 0 V, VOUT = 1 V 11 kΩ THERMAL SHUTDOWN Thermal Shutdown Threshold TSSD TJ rising 150 °C Thermal Shutdown Hysteresis TSSD-HYS 15 °C UNDERVOLTAGE THRESHOLDS Input Voltage Rising UVLORISE 2.28 V Input Voltage Falling UVLOFALL 1.94 V Hysteresis UVLOHYS 200 mV Rev. A | Page 3 of 7 Document Outline FEATURES APPLICATIONS GENERAL DESCRIPTION REVISION HISTORY SPECIFICATIONS INPUT AND OUTPUT CAPACITOR, RECOMMENDED SPECIFICATIONS ABSOLUTE MAXIMUM RATINGS ESD CAUTION PIN CONFIGURATION AND FUNCTION DESCRIPTIONS OUTLINE DIMENSIONS DIE SPECIFICATIONS AND ASSEMBLY RECOMMENDATIONS ORDERING GUIDE