Datasheet ADP1720 (Analog Devices) - 3

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ADP1720 SPECIFICATIONS
VIN = 12 V, IOUT = 100 μA, CIN = COUT = 1 μF, TA = 25°C, unless otherwise noted.
Table 1. Parameter Symbol Conditions Min Typ Max Unit
INPUT VOLTAGE RANGE VIN TJ = –40°C to +125°C 4 28 V OPERATING SUPPLY CURRENT IGND IOUT = 0 μA 28 μA IOUT = 0 μA, VIN = VOUT + 0.5 V or 4 V (whichever is 80 μA greater), TJ = –40°C to +125°C IOUT = 100 μA 35 μA IOUT = 100 μA, VIN = VOUT + 0.5 V or 4 V (whichever is 120 μA greater), TJ = –40°C to +125°C IOUT = 1 mA 74 μA IOUT = 1 mA, VIN = VOUT + 0.5 V or 4 V (whichever is 340 μA greater), TJ = –40°C to +125°C IOUT = 10 mA 300 μA IOUT = 10 mA, VIN = VOUT + 0.5 V or 4 V (whichever is 900 μA greater), TJ = –40°C to +125°C 100 μA < IOUT < 50 mA, VIN = VOUT + 0.5 V or 4 V 1185 2115 μA (whichever is greater), TJ = –40°C to +125°C SHUTDOWN CURRENT IGND-SD EN = GND 0.7 μA EN = GND, TJ = –40°C to +125°C 1.5 μA OUTPUT Fixed Output VOUT IOUT = 100 μA –0.5 +0.5 % Voltage Accuracy 100 μA < IOUT < 50 mA –1 +1 % 100 μA < IOUT < 50 mA, TJ = –40°C to +125°C –2 +2 % Adjustable Output1 VOUT IOUT = 100 μA 1.2188 1.2250 1.2311 V Voltage Accuracy 100 μA < IOUT < 50 mA 1.2127 1.2372 V 100 μA < IOUT < 50 mA, TJ = –40°C to +125°C 1.2005 1.2495 V Noise (10 Hz to 100 kHz) OUTNOISE VOUT = 1.6 V, COUT = 1 μF 146 μV rms VOUT = 1.6 V, COUT = 10 μF 124 μV rms VOUT = 5 V, COUT = 1 μF 340 μV rms VOUT = 5 V, COUT = 10 μF 266 μV rms REGULATION Line Regulation ∆VOUT/∆VIN VIN = (VOUT + 0.5 V) to 28 V, TJ = –40°C to +125°C –0.02 +0.02 %/ V Load Regulation2 ∆VOUT/∆IOUT 1 mA < IOUT < 50 mA 0.001 %/mA 1 mA < IOUT < 50 mA, TJ = –40°C to +125°C 0.005 %/mA DROPOUT VOLTAGE3 VDROPOUT IOUT = 10 mA 55 mV IOUT = 10 mA, TJ = –40°C to +125°C 105 mV IOUT = 50 mA 275 mV IOUT = 50 mA, TJ = –40°C to +125°C 480 mV START-UP TIME4 TSTART-UP 200 μs CURRENT LIMIT THRESHOLD5 ILIMIT 55 90 140 mA THERMAL CHARACTERISTICS Thermal Shutdown TSSD TJ rising 150 °C Threshold Thermal Shutdown TSSD-HYS 15 °C Hysteresis EN CHARACTERISTICS EN Input Logic High VIH 4 V ≤ VIN ≤ 28 V 1.8 V Logic Low VIL 4 V ≤ VIN ≤ 28 V 0.4 V Leakage Current VI-LEAKAGE EN = GND 0.1 1 μA EN = IN 0.5 1 μA ADJ INPUT BIAS CURRENT ADJI-BIAS 30 100 nA (ADP1720 ADJUSTABLE) Rev. A | Page 3 of 16 Document Outline FEATURES APPLICATIONS TYPICAL APPLICATION CIRCUITS GENERAL DESCRIPTION REVISION HISTORY SPECIFICATIONS ABSOLUTE MAXIMUM RATINGS THERMAL RESISTANCE ESD CAUTION PIN CONFIGURATIONS AND FUNCTION DESCRIPTIONS TYPICAL PERFORMANCE CHARACTERISTICS THEORY OF OPERATION ADJUSTABLE OUTPUT VOLTAGE(ADP1720 ADJUSTABLE) APPLICATIONS INFORMATION CAPACITOR SELECTION Output Capacitor Input Bypass Capacitor Input and Output Capacitor Properties CURRENT LIMIT AND THERMAL OVERLOAD PROTECTION THERMAL CONSIDERATIONS PRINTED CIRCUIT BOARD LAYOUT CONSIDERATIONS OUTLINE DIMENSIONS ORDERING GUIDE