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LM2931Z-5.0 데이터시트(PDF) 6 Page - Texas Instruments |
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LM2931Z-5.0 데이터시트(HTML) 6 Page - Texas Instruments |
6 / 19 page LM2931-N SNOSBE5G – MARCH 2000 – REVISED APRIL 2013 www.ti.com ELECTRICAL CHARACTERISTICS FOR ADJUSTABLE VERSION VIN = 14V, VOUT = 3V, IO = 10 mA, TJ = 25°C, R1 = 27k, C2 = 100 μF (unless otherwise specified) (1) Parameter Conditions Typ Limit Units Limit Reference Voltage 1.20 1.26 VMAX 1.14 VMIN IO ≤ 100 mA, −40°C ≤ Tj ≤ 125°C, R1 = 27k 1.32 VMAX Measured from VOUT to Adjust Pin 1.08 VMIN Output Voltage Range 24 VMAX 3 VMIN Line Regulation VOUT + 0.6V ≤ VIN ≤ 26V 0.2 1.5 mV/VMAX Load Regulation 5 mA ≤ IO ≤ 100 mA 0.3 1 %MAX Output Impedance 100 mADC and 10 mArms, 100 Hz–10 kHz 40 m Ω/V Quiescent Current IO = 10 mA 0.4 1 mAMAX IO = 100 mA 15 mA During Shutdown RL = 500Ω 0.8 1 mAMAX Output Noise Voltage 10 Hz–100 kHz 100 μVrms/V Long Term Stability 0.4 %/1000 hr Ripple Rejection fO = 120 Hz 0.02 %/V Dropout Voltage IO ≤ 10 mA 0.05 0.2 VMAX IO = 100 mA 0.3 0.6 VMAX Maximum Operational Input Voltage 33 26 VMIN Maximum Line Transient IO = 10 mA, Reference Voltage ≤ 1.5V 70 60 VMIN T = 1 ms, τ ≤ 100 ms Reverse Polarity Input VO ≥ −0.3V, RL = 500Ω Voltage, DC −30 −15 VMIN Reverse Polarity Input T = 1 ms, τ ≤ 100 ms, RL = 500Ω Voltage, Transient −80 −50 VMIN On/Off Threshold Voltage VO=3V On 2.0 1.2 VMAX Off 2.2 3.25 VMIN On/Off Threshold Current 20 50 μAMAX (1) See circuit in Typical Applications. To ensure constant junction temperature, low duty cycle pulse testing is used. 6 Submit Documentation Feedback Copyright © 2000–2013, Texas Instruments Incorporated Product Folder Links: LM2931-N |
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