Datasheet ADP1761 (Analog Devices) - 3
Manufacturer | Analog Devices |
Description | 1 A, Low VIN, Low Noise, CMOS Linear Regulator |
Pages / Page | 18 / 3 — Data Sheet. ADP1761. SPECIFICATIONS. Table 2. Parameter. Symbol. Test … |
Revision | C |
File Format / Size | PDF / 794 Kb |
Document Language | English |
Data Sheet. ADP1761. SPECIFICATIONS. Table 2. Parameter. Symbol. Test Conditions/Comments Min. Typ. Max. Unit
Model Line for this Datasheet
Text Version of Document
link to page 4 link to page 4 link to page 4 link to page 4
Data Sheet ADP1761 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 = 1 A 7.3 11 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 = 1 A, modulated VIN 10 kHz, VOUT = 1.3 V, VIN = 1.5 V 67 dB 100 kHz, VOUT = 1.3 V, VIN = 1.5 V 51 dB 1 MHz, VOUT = 1.3 V, VIN = 1.5 V 41 dB 10 kHz, VOUT = 0.9 V, VIN = 1.1 V 66 dB 100 kHz, VOUT = 0.9 V, VIN = 1.1 V 50 dB 1 MHz, VOUT = 0.9 V, VIN = 1.1 V 35 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 < 1 A, VIN = (VOUT + 0.2 V) to −1 +1.5 % 1.98 V, TJ = 0°C to 85°C 10 mA < ILOAD < 1 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 1 A 0.25 0.44 %/A DROPOUT VOLTAGE3 VDROPOUT ILOAD = 100 mA, VOUT = 1.2 V 12 23 mV ILOAD = 1 A, VOUT = 1.2 V 30 53 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. C | Page 3 of 18 Document Outline Features Applications Typical Application Circuits General Description 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 Thermal Considerations PCB Layout Considerations Outline Dimensions Ordering Guide