Datasheet ADP222, ADP223, ADP224, ADP225 (Analog Devices) - 3

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Data Sheet ADP222/ADP223/ADP224/ADP225 SPECIFICATIONS
VIN = (VOUT + 0.5 V) or 2.5 V (whichever is greater), EN1 = EN2 = VIN, IOUT1 = IOUT2 = 10 mA, CIN = COUT1 = COUT2 = 1 µF, TA = 25°C, unless otherwise noted.
Table 1. Parameter Symbol Test Conditions/Comments Min Typ Max Unit
INPUT VOLTAGE RANGE VIN TJ = −40°C to +125°C 2.5 5.5 V OPERATING SUPPLY CURRENT IGND IOUT = 0 µA 65 µA WITH BOTH REGULATORS ON IOUT = 0 µA, TJ = −40°C to +125°C 150 µA IOUT = 10 mA 100 µA IOUT = 10 mA, TJ = −40°C to +125°C 200 µA IOUT = 300 mA 300 µA IOUT = 300 mA, TJ = −40°C to +125°C 450 µA SHUTDOWN CURRENT IGND-SD EN1 = EN2 = GND 0.2 2 µA OUTPUT VOLTAGE ACCURACY1 VOUT TJ = −40°C to +125°C IOUT = 10 mA −1 +1 % 0 µA < IOUT < 300 mA, VIN = (VOUT + 0.5 V) to 5.5 V −2 +2 % ADJUSTABLE-OUTPUT VOLTAGE VADJ TJ = −40°C to +125°C ACCURACY1 IOUT = 10 mA 0.495 0.500 0.505 V 0 µA < IOUT < 300 mA, VIN = (VOUT + 0.5 V) to 5.5 V 0.490 0.510 V LINE REGULATION ΔVOUT/ΔVIN 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 −0.05 +0.05 %/V LOAD REGULATION2 ΔVOUT/ΔIOUT IOUT = 1 mA to 300 mA 0.001 %/mA IOUT = 1 mA to 300 mA, TJ = −40°C to +125°C 0.002 %/mA DROPOUT VOLTAGE3 VDROPOUT VOUT = 3.3 V IOUT = 10 mA 6 mV IOUT = 10 mA, TJ = −40°C to +125°C 9 mV IOUT = 300 mA 170 mV IOUT = 300 mA, TJ = −40°C to +125°C A 260 mV SENSE INPUT BIAS CURRENT SENSEI-BIAS 2.5 V ≤ VIN ≤ 5.5 V, SENSEx connected to VOUTx 10 nA ADJx INPUT BIAS CURRENT ADJI-BIAS 2.5 V ≤ VIN ≤ 5.5 V, ADJx connected to VOUTx 10 nA START-UP TIME4 tSTART-UP VOUT = 3.3 V 240 µs VOUT = 0.8 V 100 µs CURRENT-LIMIT THRESHOLD5 ILIMIT 340 400 mA THERMAL SHUTDOWN Thermal Shutdown Threshold TSSD TJ rising 155 °C Thermal Shutdown Hysteresis TSSD-HYS 15 °C EN INPUT EN Input Logic High VIH 2.5 V ≤ VIN ≤ 5.5 V 1.2 V EN Input Logic Low VIL 2.5 V ≤ VIN ≤ 5.5 V 0.4 V EN Input Leakage Current VI-LEAKAGE EN1 = EN2 = VIN or GND 0.1 µA EN1 = EN2 = VIN or GND, TJ = −40°C to +125°C 1 µA UNDERVOLTAGE LOCKOUT UVLO Input Voltage Rising UVLORISE 2.45 V Input Voltage Falling UVLOFALL 2.2 V Hysteresis UVLOHYS 120 mV OUTPUT DISCHARGE TIME tDIS VOUT = 2.8 V 1000 µs OUTPUT DISCHARGE RESISTANCE RQOD 140 Ω Rev. E | Page 3 of 24 Document Outline Features Applications Typical Application Circuits General Description Table of Contents Revision History Specifications Input and Output Capacitor, Recommended Specifications Absolute Maximum Ratings Thermal Data Thermal Resistance ESD Caution Pin Configuration and Function Descriptions Typical Performance Characteristics Theory of Operation Applications Information Capacitor Selection Output Capacitor Input Bypass Capacitor Input and Output Capacitor Properties Enable Feature Quick Output Discharge (QOD) Function Current Limit and Thermal Overload Protection Thermal Considerations Printed Circuit Board Layout Considerations Outline Dimensions Ordering Guide