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LM317KTER データシート(PDF) 3 Page - Texas Instruments |
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LM317KTER データシート(HTML) 3 Page - Texas Instruments |
3 / 10 page LM317 3-TERMINAL ADJUSTABLE REGULATOR SLVS044H – SEPTEMBER 1997 – REVISED DECEMBER 2001 3 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 electrical characteristics over recommended ranges of operating virtual junction temperature (unless otherwise noted) PARAMETER TEST CONDITIONS† MIN TYP MAX UNIT Input voltage (line) regulation‡ VI VO =3Vto40V TJ = 25°C 0.01 0.04 %/V Input voltage (line) regulation‡ VI – VO = 3 V to 40 V TJ = 0°C to 125°C 0.02 0.07 %/V CADJ = 10 µF§, VO ≤ 5 V 25 mV Output voltage IO = 10 mA to 1500 mA ADJ µ , TJ = 25°C VO ≥ 5 V 0.1 0.5 %VO g (load) regulation IO = 10 mA to 1500 mA TJ =0°Cto125°C VO ≤ 5 V 20 70 mV TJ = 0°C to 125°C VO ≥ 5 V 0.3 1.5 %VO Thermal regulation 20-ms pulse, TJ = 25°C 0.03 0.07 %VO/W ADJUST terminal current 50 100 µA Change in ADJUST terminal current VI – VO = 2.5 V to 40 V, PD ≤ 20 W, IO = 10 mA to 1500 mA 0.2 5 µA Reference voltage (Vref) (OUTPUT to ADJUST) VI – VO = 3 V to 40 V, PD ≤ 20 W, IO = 10 mA to 1500 mA 1.2 1.25 1.3 V Output-voltage temperature stability TJ = 0°C to 125°C 0.7 %VO Minimum load current to maintain regulation VI – VO = 40 V 3.5 10 mA Peak output current VI – VO ≤ 15 V, PD < PMAX (see Note 1) 1.5 2.2 A Peak output current VI – VO ≤ 40 V, PD < PMAX (see Note 1), TJ = 25°C 0.15 0.4 A Output noise voltage (RMS) f = 10 HZ to 10 kHZ, TJ = 25°C 0.003 %VO Ripple rejection VO =10V f = 120 HZ CADJ = 0 µF§ 57 dB Ripple rejection VO = 10 V, f = 120 HZ CADJ = 10 µF§ 62 64 dB Long-term stability TJ = 25°C 0.3 1 %/1k Hrs † Unless otherwise noted, the following test conditions apply: |VI – VO| = 5 V and IOMAX = 1.5 A, TJ = 0°C to 125°C. Pulse testing techniques are used to maintain the junction temperature as close to the ambient temperature as possible. ‡ Input regulation is expressed here as the percentage change in output voltage per 1-V change at the input. § CADJ is connected between the ADJUST terminal and GND. NOTE 4: Maximum power dissipation is a function of TJ(max), θJA, and TA. The maximum allowable power dissipation at any allowable ambient temperature is PD = (TJ(max) – TA)/θJA. Operating at the absolute maximum TJ of 150°C can affect reliability. |
同様の部品番号 - LM317KTER |
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同様の説明 - LM317KTER |
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