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LM337KC 数据表(PDF) 4 Page - Texas Instruments |
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LM337KC 数据表(HTML) 4 Page - Texas Instruments |
4 / 17 page www.ti.com Electrical Characteristics LM237, LM337 3-TERMINAL ADJUSTABLE REGULATORS SLVS047J – NOVEMBER 1981 – REVISED MAY 2007 T J = 25°C LM237, LM337 PARAMETER TEST CONDITIONS(1) UNIT MIN TYP MAX Input regulation(2) VI – VO = –3 V to –40 V 0.01 0.04 %/V VO = –10 V, f = 120 Hz 60 Ripple rejection dB VO = –10 V, f = 120 Hz, CADJ = 10 µF 66 77 |VO| ≤ 5 V 50 mV Output regulation IO = 10 mA to 1.5 A |VO| ≥ 5 V 0.3 1 % Output noise voltage f = 10 Hz to 10 kHz 0.003 % |VI – VO| ≤ 40 V 2.5 10 Minimum output current to maintain mA regulation |VI – VO| ≤ 10 V 1.5 6 |VI – VO| ≤ 15 V 1.5 2.2 Peak output current A |VI – VO| ≤ 40 V 0.15 0.4 ADJUSTMENT current 65 100 µA Change in ADJUSTMENT current VI – VO = –2.5 V to –40 V, IO = 10 mA to MAX 2 5 µA Reference voltage VI – VO = –3 V to –40 V, IO = 10 mA to 1.5 A, –1.213 –1.25 –1.287 V (OUTPUT to ADJUSTMENT) P ≤ rated dissipation (1) Unless otherwise noted, the following test conditions apply: |VI – VO| = 5 V and IO = 0.5 A. All characteristics are measured with a 0.1- µF capacitor across the input and a 1-µF capacitor across the output. Pulse-testing techniques are used to maintain the junction temperature as close to the ambient temperature as possible. Thermal effects must be taken into account separately. (2) Input regulation is expressed here as the percentage change in output voltage per 1-V change at the input. 4 Submit Documentation Feedback |
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类似说明 - LM337KC |
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