Datasheet ADP1763 (Analog Devices) - 3
制造商 | Analog Devices |
描述 | 3 A, Low VIN, Low Noise, CMOS Linear Regulator |
页数 / 页 | 19 / 3 — Data Sheet. ADP1763. SPECIFICATIONS. Table 2. Parameter. Symbol. Test … |
修订版 | D |
文件格式/大小 | PDF / 836 Kb |
文件语言 | 英语 |
Data Sheet. ADP1763. SPECIFICATIONS. Table 2. Parameter. Symbol. Test Conditions/Comments Min. Typ. Max. Unit
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Data Sheet ADP1763 SPECIFICATIONS
VIN = VOUT + 0.2 V or VIN = 1.1 V, whichever is greater, ILOAD = 10 mA, CIN = 10 μF, COUT = 10 μF, CREF = 1 μF, CREG = 1 μF, TA = 25°C, Minimum and maximum limits at TJ = −40°C to +125°C, unless otherwise noted.
Table 2. Parameter Symbol Test Conditions/Comments Min Typ Max Unit
INPUT VOLTAGE SUPPLY RANGE VIN TJ = −40°C to +125°C 1.10 1.98 V CURRENT Operating Supply Current IGND ILOAD = 0 μA 4.5 8 mA ILOAD = 10 mA 4.9 8 mA ILOAD = 100 mA 5.5 8.5 mA ILOAD = 3 A 12 16 mA Shutdown Current IGND-SD EN = GND 2 μA TJ = −40°C to +85°C, 180 μA VIN = (VOUT + 0.2 V) to 1.98 V TJ = 85°C to 125°C, 800 μA VIN = (VOUT + 0.2 V) to 1.98 V OUTPUT NOISE1 OUTNOISE 10 Hz to 100 kHz, VIN = 1.1 V, VOUT = 0.9 V 12 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 15 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 21 μV rms 100 Hz to 100 kHz, VIN = 1.7 V, VOUT = 1.5 V 2 μV rms Noise Spectral Density OUTNSD VOUT = 0.9 V to 1.5 V, ILOAD = 100 mA At 10 kHz 4 nV/√Hz At 100 kHz 3 nV/√Hz POWER SUPPLY REJECTION RATIO1 PSRR ILOAD = 3 A, modulated VIN 10 kHz, VOUT = 1.3 V, VIN = 1.7 V 59 dB 100 kHz, VOUT = 1.3 V, VIN = 1.7 V 43 dB 1 MHz, VOUT = 1.3 V, VIN = 1.7 V 37 dB 10 kHz, VOUT = 0.9 V, VIN = 1.3 V 62 dB 100 kHz, VOUT = 0.9 V, VIN = 1.3 V 45 dB 1 MHz, VOUT = 0.9 V, VIN = 1.3 V 33 dB OUTPUT VOLTAGE Output Voltage Range TA = 25°C VOUT_FIXED 0.9 1.5 V VOUT_ADJ 0.5 1.5 V Fixed Output Voltage Accuracy VOUT ILOAD = 100 mA, TA = 25°C −0.5 +0.5 % 10 mA < ILOAD < 3 A, VIN = (VOUT + 0.2 V) to −1 +1.5 % 1.98 V, TJ = 0°C to 85°C 10 mA < ILOAD < 3 A, VIN = (VOUT + 0.2 V) to −1.5 +1.5 % 1.98 V ADJUSTABLE PIN CURRENT IADJ TA = 25°C 49.5 50.0 50.5 μA VIN = (VOUT + 0.2 V) to 1.98 V 48.8 50.0 51.0 μA ADJUSTABLE OUTPUT VOLTAGE GAIN AD TA = 25°C 3.0 FACTOR VIN = (VOUT + 0.2 V) to 1.98 V 2.95 3.055 REGULATION Line Regulation ∆VOUT/∆VIN VIN = (VOUT + 0.2 V) to 1.98 V −0.15 +0.15 %/V Load Regulation2 ∆VOUT/∆IOUT ILOAD = 10 mA to 3 A 0.12 0.45 %/A DROPOUT VOLTAGE3 VDROPOUT ILOAD = 100 mA, VOUT ≥ 1.2 V 12 23 mV ILOAD = 3 A, VOUT ≥ 1.2 V 95 145 mV START-UP TIME1, 4 tSTART-UP CSS = 10 nF, VOUT = 1.3 V 0.6 ms SOFT START CURRENT ISS 1.1 V ≤ VIN ≤ 1.98 V 8 10 12 μA Rev. D | Page 3 of 19 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 ADP1763 for High Current Applications Thermal Considerations PCB Layout Considerations Outline Dimensions Ordering Guide