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KA317 Scheda tecnica(PDF) 2 Page - Fairchild Semiconductor |
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KA317 Scheda tecnica(HTML) 2 Page - Fairchild Semiconductor |
2 / 8 page KA317 2 Absolute Maximum Ratings Electrical Characteristics (VI-VO=5V, IO= 0.5A, 0 °C ≤ TJ ≤ + 125°C, IMAX = 1.5A, PDMAX =20W, unless otherwise specified) Note : 1. Load and line regulation are specified at constant junction temperature. Change in VD due to heating effects must be taken into account separately. Pulse testing with low duty is used. (PMAX = 20W) 2. CADJ , when used, is connected between the adjustment pin and ground. Parameter Symbol Value Unit Input-Output Voltage Differential VI - VO 40 V Lead Temperature TLEAD 230 °C Power Dissipation PD Internally limited W Operating Junction Temperature Range Tj 0 ~ +125 °C Storage Temperature Range TSTG -65 ~+125 °C Temperature Coefficient of Output Voltage ∆Vo/∆T ±0.02 %/ °C Parameter Symbol Conditions Min Typ. Max. Unit Line Regulation (Note1) Rline TA = +25 °C 3V ≤ VI - VO ≤ 40V - 0.01 0.04 %/V 3V ≤ VI - VO ≤ 40V - 0.02 0.07 %/V Load Regulation (Note1) Rload TA = +25 °C, 10mA ≤IO ≤ IMAX VO< 5V VO ≥ 5V -18 0.4 25 0.5 mV %/VO 10mA ≤ IO ≤ IMAX VO < 5V VO ≥ 5V -40 0.8 70 1.5 mV %/VO Adjustable Pin Current IADJ - - 46 100 µA Adjustable Pin Current Change ∆IADJ 3V ≤ VI - VO ≤ 40V 10mA ≤ IO ≤ IMAX PD ≤ PMAX -2.0 5 µA Reference Voltage VREF 3V ≤ VIN - VO ≤ 40V 10mA ≤ IO ≤ IMAX PD ≤ PMAX 1.20 1.25 1.30 V Temperature Stability STT -- 0.7 - %/VO Minimum Load Current to Maintain Regulation IL(MIN) VI - VO = 40V - 3.5 12 mA Maximum Output Current IO(MAX) VI - VO ≤ 15V, PD ≤ PMAX VI - VO ≤ 40V, PD ≤ PMAX TA=25 °C 1.0 2.2 0.3 -A RMS Noise, % of VOUT eN TA= +25 °C, 10Hz ≤ f ≤ 10KHz - 0.003 0.01 %/VO Ripple Rejection RR VO = 10V, f = 120Hz without CADJ CADJ = 10 µF (Note2) 66 60 75 -dB Long-Term Stability, TJ = THIGH ST TA = +25 °C for end point measurements, 1000HR -0.3 1 % Thermal Resistance Junction to Case R θJC - -5 - °C/W |
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