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ADP322ACPZ-189-R7 数据表(PDF) 3 Page - Analog Devices |
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ADP322ACPZ-189-R7 数据表(HTML) 3 Page - Analog Devices |
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3 / 24 page  Data Sheet ADP322/ADP323 Rev. E | Page 3 of 24 SPECIFICATIONS VIN1/VIN2 = VIN3 = (VOUT + 0.5 V) or 1.8 V (whichever is greater), VBIAS = 2.5 V, EN1, EN2, EN3 = VBIAS, IOUT1 = IOUT2 = IOUT3 = 10 mA, CIN = COUT1 = COUT2 = COUT3 = 1 µF, and TA = 25°C, unless otherwise noted. Table 1. Parameter Symbol Test Conditions/Comments Min Typ Max Unit VOLTAGE RANGE Input Bias Voltage Range VBIAS TJ = −40°C to +125°C 2.5 5.5 V Input LDO Voltage Range VIN1/VIN2/VIN3 TJ = −40°C to +125°C 1.8 5.5 V CURRENT Ground Current with All Regulators On IGND IOUT = 0 µA 85 µA IOUT = 0 µA, TJ = −40°C to +125°C 160 µA IOUT = 10 mA 120 µA IOUT = 10 mA, TJ = −40°C to +125°C 220 µA IOUT = 200 mA 250 µA IOUT = 200 mA, TJ = −40°C to +125°C 380 µA Bias Voltage Input Current IBIAS 66 µA TJ = −40°C to +125°C 140 µA Shutdown Current IGND-SD EN1 = EN2 = EN3 = GND 0.1 µA EN1 = EN2 = EN3 = GND, TJ = −40°C to +125°C 2.5 µA FEEDBACK INPUT CURRENT FBIN 0.01 µA VOLTAGE ACCURACY Output Voltage Accuracy (ADP322) VOUT −1 +1 % 100 µA < IOUT < 200 mA, VIN = (VOUT + 0.5 V) to 5.5 V, TJ = −40°C to +125°C −2 +2 % Feedback Voltage Accuracy (ADP323)1 VFB 0.495 0.5 0.505 V 100 µA < IOUT < 200 mA, VIN = (VOUT + 0.5 V) to 5.5 V, TJ = −40°C to +125°C 0.490 0.510 V LINE REGULATION ∆VOUT/∆VIN VIN = (VOUT + 0.5 V) to 5.5 V 0.01 %/V VIN = (VOUT + 0.5 V) to 5.5 V, TJ = −40°C to +125°C −0.03 +0.03 %/V LOAD REGULATION2 ∆VOUT/∆IOUT IOUT = 1 mA to 200 mA 0.001 %/mA IOUT = 1 mA to 200 mA, TJ = −40°C to +125°C 0.005 %/mA DROPOUT VOLTAGE3 VDROPOUT VOUT = 3.3 V mV IOUT = 10 mA 6 mV IOUT = 10 mA, TJ = −40°C to +125°C 9 mV IOUT = 200 mA 110 mV IOUT = 200 mA, TJ = −40°C to +125°C 170 mV START-UP TIME4 TSTART-UP VOUT = 3.3 V, all VOUT initially off, enable any LDO 240 µs VOUT = 0.8 V 100 µs VOUT = 3.3 V, one VOUT initially on, enable second or third LDO 160 µs VOUT = 0.8 V 20 µs CURRENT LIMIT THRESHOLD5 ILIMIT 250 360 600 mA THERMAL SHUTDOWN Thermal Shutdown Threshold TSSD TJ rising 155 °C Thermal Shutdown Hysteresis TSSD-HYS 15 °C |
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