Datasheet LT3041 (Analog Devices) - 4

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LT3041 SPECIFICATIONS Table 1. Electrical Characteristics Parameter Test Conditions/Comments Min Typ Max Unit
OUTPUT RMS NOISE3, 7 IL = 1 A, bandwidth = 10 Hz to 100 kHz, CSET = 0.47 µF, 2.2 µV rms VOUT = 3.3 V IL = 1 A, bandwidth = 10 Hz to 100 kHz, CSET = 4.7 µF, 1.0 µV rms 1.3 V ≤ VOUT ≤ 15 V IL = 1 A, bandwidth = 10 Hz to 100 kHz, CSET = 4.7 µF, 2.3 µV rms 0.2 V ≤ VOUT < 1.3 V OUTPUT PEAK-TO-PEAK 1/F NOISE3, 7 IL = 1 A, bandwidth = 0.1 Hz to 10 Hz, CSET = 4.7 µF, 25 µV p-p VOUT = 3.3 V IL = 1 A, bandwidth = 0.1 Hz to 10 Hz, CSET = 22 µF, 8 µV p-p VOUT = 3.3 V REFERENCE CURRENT RMS OUTPUT NOISE3, 7 Bandwidth = 10 Hz to 100 kHz 6 nA rms POWER-SUPPLY REJECTION RATIO (PSRR) 1.3 V ≤ VOUT ≤ 15 V (VIN – VOUT = 1.7 V (Avg)3, 7) Ripple voltage (VRIPPLE) = 500 mV p-p, ripple frequency 100 dB (fRIPPLE) = 120 Hz, IL = 1 A VRIPPLE = 150 mV p-p, fRIPPLE = 10 kHz, IL = 1 A 90 dB VRIPPLE = 150 mV p-p, fRIPPLE = 100 kHz, IL = 1 A 77 dB VRIPPLE = 150 mV p-p, fRIPPLE = 1 MHz, IL = 1 A 70 dB VRIPPLE = 80 mV p-p, fRIPPLE = 10 MHz, IL = 1 A 56 dB 0.2 V ≤ VOUT < 1.3 V (VIN – VOUT = 1.7 V (Avg) or VRIPPLE = 500 mV p-p, fRIPPLE = 120 Hz, IL = 1 A 102 dB VIN(min) = 2.2V3, 7) VRIPPLE = 50 mV p-p, fRIPPLE = 10 kHz, IL = 1 A 86 dB VRIPPLE = 50 mV p-p, fRIPPLE = 100 kHz, IL = 1 A 73 dB VRIPPLE = 50 mV p-p, fRIPPLE = 1 MHz, IL = 1 A 72 dB VRIPPLE = 50 mV p-p, fRIPPLE = 10 MHz, IL = 1 A 60 dB EN/UV PIN Threshold EN/UV trip-point rising (turn-on), VIN = 2.2 V 1.20 1.28 1.36 V Hysteresis EN/UV trip-point hysteresis, VIN = 2.2 V 110 mV Current (IEN/UV) EN/UV voltage (VEN/UV) = 0 V, VIN = 20 V ±1 µA VEN/UV = 1.28 V, VIN = 20 V 0.003 µA VEN/UV = 20 V, VIN = 0 V 1.5 8 µA QUIESCENT CURRENT IN SHUTDOWN (VEN/UV = 0 V) VIN = 6 V, TA = 25°C 18 40 µA VIN = 6 V 100 µA CURRENT LIMIT Internal8 VIN = 2.2 V, VOUT = 0 V 1.15 1.25 1.35 A VIN = 12 V, VOUT = 0 V 1.1 A VIN = 20 V, VOUT = 0 V 200 340 520 mA Programmable Programming scale factor: 2.2 V < VIN < 20 V9 150 mA × kΩ VIN = 2.2 V, VOUT = 0 V, RILIM = 150 Ω 0.9 1 1.1 A VIN = 2.2V, VOUT = 0 V, RILIM = 300 Ω 450 500 550 mA PGFB PIN Trip Point PGFB trip-point rising 292 302 312 mV Hysteresis PGFB trip-point hysteresis 7 mV Current (IPGFB) VIN = 2.2V, VPGFB = 300 mV 25 nA PG PIN Output Low Voltage PG current (IPG) = 100 µA 40 120 mV Leakage Current PG voltage (VPG) = 20 V 1 µA REVERSE CURRENT Input VIN = –20 V, VEN/UV = 0 V, VOUT = 0 V, VSET = 0 V 200 µA Output VIN = 0 V, VOUT = 5 V, SET = open, TA = 25°C 16 1000 µA
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Document Outline Features Applications Typical Application General Description Specifications Electrical Characteristics Absolute Maximum Ratings ESD Caution Pin Configuration and Function Descriptions Typical Performance Characteristics Theory of Operation Applications Information Output Voltage Output Sensing and Stability Stability and Output Capacitance High Vibration Environments Stability and Input Capacitance PSRR and Input Capacitance Filtering High-Frequency Spikes Output Noise SET Pin (Bypass) Capacitance: Noise, PSRR, Transient Response, and Soft-Start Fast Startup EN/UV Programmable Power Good Externally Programmable Current Limit Output Overshoot Recovery Direct Paralleling for Higher Current PCB Layout Considerations High-Efficiency Linear Regulator: Voltage Input-to-Output Control (VIOC) Typical VIOC Application Thermal Considerations Calculating Junction Temperature Overload Recovery Protection Features Typical Applications Related Products Outline Dimensions Ordering Guide Evaluation Boards