link to page 4 link to page 4 link to page 4 link to page 4 link to page 4 link to page 4 link to page 4 link to page 4 Data SheetADP1764SPECIFICATIONS VIN = VOUT + 0.2 V or VIN = 1.1 V, whichever is greater, IOUT = 100 mA, CIN = 22 µF, COUT = 22 µF, CREF = 1 µF, CREG = 1 µF, TA = 25°C, and minimum and maximum limits at TJ = −40°C to +125°C, unless otherwise noted. Table 2. ParameterSymbolTest Conditions/CommentsMinTypMaxUnit INPUT VOLTAGE SUPPLY RANGE VIN TJ = −40°C to +125°C 1.10 1.98 V OPERATING SUPPLY CURRENT IGND IOUT = 0 µA 5 17 mA IOUT = 100 mA 5 18 mA IOUT = 4 A 11 23 mA SHUTDOWN CURRENT IGND_SD EN = GND 4 µA TJ = −40°C to +85°C 200 µA TJ = 85°C to 125°C 900 µA NOISE1 Output Noise OUTNOISE 10 Hz to 100 kHz, VIN = 1.1 V, VOUT = 0.9 V 3 µV rms 100 Hz to 100 kHz, VIN = 1.1 V, VOUT = 0.9 V 2 µV rms 10 Hz to 100 kHz, VIN = 1.5 V, VOUT = 1.3 V 3 µV rms 100 Hz to 100 kHz, VIN = 1.5 V, VOUT = 1.3 V 2 µV rms 10 Hz to 100 kHz, VIN = 1.7 V, VOUT = 1.5 V 3 µV rms 100 Hz to 100 kHz, VIN = 1.7 V, VOUT = 1.5 V 2 µV rms Noise Spectral Density OUTNSD VOUT = 0.55 V to 1.5 V, IOUT = 100 mA At 10 kHz 5 nV/√Hz At 100 kHz 4 nV/√Hz POWER SUPPLY REJECTION RATIO1 PSRR IOUT = 4 A, modulated VIN 10 kHz, VOUT = 1.3 V, VIN = 1.7 V 69 dB 100 kHz, VOUT = 1.3 V, VIN = 1.7 V 46 dB 1 MHz, VOUT = 1.3 V, VIN = 1.7 V 35 dB 10 kHz, VOUT = 0.9 V, VIN = 1.1 V 67 dB 100 kHz, VOUT = 0.9 V, VIN = 1.1 V 45 dB 1 MHz, VOUT = 0.9 V, VIN = 1.1 V 36 dB OUTPUT VOLTAGE RANGE TJ = 25°C Fixed VOUT_FIXED 0.55 1.5 V Adjustable VOUT_ADJ 0.5 1.5 V FIXED OUTPUT VOLTAGE ACCURACY VOUT IOUT = 100 mA, TA = 25°C −0.75 +0.75 % 100 mA < IOUT < 4 A, TJ = 0°C to 85°C −1.2 +1.2 % 100 mA < IOUT < 4 A, TJ = 0°C to 125°C −1.5 +1.5 % ADJUSTABLE PIN CURRENT IADJ TJ = 25°C, VADJ = 0.5 V 49.5 50.0 50.7 µA VIN = VOUT + 0.2 V or VIN = 1.1 V, whichever is greater, to 49.0 50.0 51.2 µA 1.98 V ADJUSTABLE OUTPUT VOLTAGE AD VADJ = 0.5 V; VIN = VOUT + 0.2 V or VIN = 1.1 V, whichever GAIN FACTOR is greater, to 1.98 V TJ = 25°C 2.99 TJ = −40°C to +125°C 2.96 3.02 REGULATION Line ∆VOUT/∆VIN VIN = VOUT + 0.2 V or VIN = 1.1 V, whichever is greater, to −0.10 +0.10 %/V 1.98 V Load2 ∆VOUT/∆IOUT IOUT = 100 mA to 4 A 0.15 0.3 %/A DROPOUT VOLTAGE3 VDROPOUT IOUT = 3 A, VOUT = 1.2 V 40 65 mV IOUT = 4 A, VOUT = 1.2 V 47 75 mV START-UP TIME1, 4 tSTARTUP CSS = 10 nF, VOUT = 1 V 1 ms SOFT START CURRENT IREF 1.1 V ≤ VIN ≤ 1.98 V 8 10 12 µA CURRENT-LIMIT THRESHOLD1, 5 ILIMIT 5.5 6.5 7.0 A Rev. A | Page 3 of 20 Document Outline FEATURES APPLICATIONS GENERAL DESCRIPTION TYPICAL APPLICATION CIRCUITS REVISION HISTORY SPECIFICATIONS INPUT AND OUTPUT CAPACITOR: RECOMMENDED SPECIFICATIONS ABSOLUTE MAXIMUM RATINGS THERMAL DATA THERMAL RESISTANCE/PARAMETER ESD CAUTION PIN CONFIGURATION AND FUNCTION DESCRIPTIONS TYPICAL PERFORMANCE CHARACTERISTICS THEORY OF OPERATION SOFT START FUNCTION ADJUSTABLE OUTPUT VOLTAGE ENABLE FEATURE POWER-GOOD (PG) FEATURE APPLICATIONS INFORMATION CAPACITOR SELECTION Output Capacitor Input Bypass Capacitor Input and Output Capacitor Properties UNDERVOLTAGE LOCKOUT CURRENT-LIMIT AND THERMAL OVERLOAD PROTECTION PARALLELING ADP1764 DEVICES FOR HIGH CURRENT APPLICATIONS THERMAL CONSIDERATIONS PCB LAYOUT CONSIDERATIONS OUTLINE DIMENSIONS ORDERING GUIDE