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LT1117CST-2.85TRPBF Datasheet(PDF) 5 Page - Linear Technology |
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LT1117CST-2.85TRPBF Datasheet(HTML) 5 Page - Linear Technology |
5 / 16 page LT1117/LT1117-2.85 LT1117-3.3/LT1117-5 5 1117fd TYPICAL PERFORMANCE CHARACTERISTICS LT1117 Ripple Rejection LT1117 Ripple Rejection vs Current Temperature Stability Adjust Pin Current LT1117-2.85 Load Transient Response LT1117-5 Load Transient Response FREQUENCY (Hz) 20 40 60 80 100 10 1k 10k 100k 1117 G04 0 100 90 70 50 30 10 CADJ = 200μF AT f < 60Hz CADJ = 25μF AT f > 60Hz IOUT = 0.5A (VIN – VOUT) ≥ VDROPOUT VRIPPLE ≤ 3VP-P VRIPPLE ≤ 0.5VP-P (VIN – VOUT) ≥ 3V OUTPUT CURRENT (A) 0 0 20 30 50 80 100 0.2 0.4 0.6 0.8 1117 G05 10 40 60 70 90 VOUT = 5V CADJ = 25μF COUT = 25μF VRIPPLE ≤ 3VP-P fRIPPLE = 120Hz fRIPPLE = 20kHz VRIPPLE ≤ 0.5VP-P TEMPERATURE (°C) –50 –2.0 –1.0 0 2.0 0 50 100 150 1117 G06 1.0 –25 25 75 125 TEMPERATURE (°C) –50 0 20 50 100 0 50 100 150 1117 G07 80 –25 25 75 125 10 30 40 60 70 90 TIME (μs) 0 –0.5 0.3 20 50 70 100 1117 G08 0.1 10 30 60 80 0 0.5 –0.2 0 0.2 –0.1 40 90 CIN = 10μF COUT = 10μF TANTALUM VIN = 4.25V PRELOAD = 0.1A TIME (μs) 0 –0.5 0.3 20 50 70 100 1117 G09 0.1 10 30 60 80 0 0.5 –0.2 0 0.2 –0.1 40 90 CIN = 10μF COUT = 10μF TANTALUM VIN = 6.5V PRELOAD = 0.1A LT1117-2.85 Line Transient Response LT1117-5 Line Transient Response TIME (μs) 0 3.25 60 40 100 140 200 1117 G10 20 20 60 120 160 4.25 5.25 –40 0 40 –20 80 180 CIN = 1μF COUT = 10μF TANTALUM IOUT = 0.1A TIME (μs) 0 5.50 60 40 100 140 200 1117 G11 20 20 60 120 160 6.50 7.50 –40 0 40 –20 80 180 CIN = 1μF COUT = 10μF TANTALUM IOUT = 0.1A |
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