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LM2931CDR2 데이터시트(PDF) 5 Page - ON Semiconductor |
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5 / 23 page LM2931, NCV2931 Series http://onsemi.com 5 ELECTRICAL CHARACTERISTICS (Vin = 14 V, IO = 10 mA, CO = 100 mF, CO(ESR) = 0.3 W, TA = 25°C [Note 7]) LM2931C/NCV2931C LM2931AC/NCV2931AC Characteristic Symbol Min Typ Max Min Typ Max Unit ADJUSTABLE OUTPUT Reference Voltage (Note 8, Figure 18) Vref V IO = 10 mA, TA = 25°C 1.14 1.20 1.26 1.17 1.20 1.23 IO ≤ 100 mA, TA = −40 to +125°C 1.08 − 1.32 1.15 − 1.25 Output Voltage Range VO range 3.0 to 24 2.7 to 29.5 − 3.0 to 24 2.7 to 29.5 − V Line Regulation (Vin = VO + 0.6 V to 26 V) Regline − 0.2 1.5 − 0.2 1.5 mV/V Load Regulation (IO = 5.0 mA to 100 mA) Regload − 0.3 1.0 − 0.3 1.0 %/V Output Impedance ZO mW/V IO = 10 mA, DIO = 1.0 mA, f = 10 Hz to 10 kHz − 40 − − 40 − Bias Current IB mA IO = 100 mA − 6.0 − − 6.0 − IO = 10 mA − 0.4 1.0 − 0.4 1.0 Output Inhibited (Vth(OI) = 2.5 V) − 0.2 1.0 − 0.2 1.0 Adjustment Pin Current IAdj − 0.2 − − 0.2 − mA Output Noise Voltage (f = 10 Hz to 100 kHz) Vn − 140 − − 140 − mVrms/V Long−Term Stability S − 0.4 − − 0.4 − %/kHR Ripple Rejection (f = 120 Hz) RR 0.10 0.003 − 0.10 0.003 − %/V Dropout Voltage VI−VO V IO = 10 mA − 0.015 0.2 − 0.015 0.2 IO = 100 mA − 0.16 0.6 − 0.16 0.6 Over−Voltage Shutdown Threshold Vth(OV) 26 29.5 40 26 29.5 40 V Output Voltage with Reverse Polarity Input (Vin = −15 V) −VO −0.3 0 − −0.3 0 − V Output Inhibit Threshold Voltages Vth(OI) V Output “On”: TA = 25°C − 2.15 1.90 − 2.15 1.90 TA = −40° to +125°C − − 1.20 − − 1.20 Output “Off”: TA = 25°C 2.50 2.26 − 2.50 2.26 − TA = −40° to +125°C 3.25 − − 3.25 − − Output Inhibit Threshold Current (Vth(OI) = 2.5 V) Ith(OI) − 30 50 − 30 50 mA 7. Low duty cycle pulse techniques are used during test to maintain junction temperature as close to ambient as possible. 8. The reference voltage on the adjustable device is measured from the output to the adjust pin across R1. |
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