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LMV431CM5X データシート(PDF) 5 Page - Texas Instruments |
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LMV431CM5X データシート(HTML) 5 Page - Texas Instruments |
5 / 27 page Where:T2 − T1 = full temperature change.∝VREF can be positive or negative depending on whether the slope is positive or negative.Example: VDEV = 6.0mV, REF = 1240mV, T2 − T1 = 125°C. (2) The dynamic output impedance, rZ, is defined as: When the device is programmed with two external resistors, R1 and R2, (see Figure 5 ), the dynamic output impedance of the overall circuit, rZ, is defined as: LMV431, LMV431A, LMV431B www.ti.com SNVS041F – MAY 2004 – REVISED MAY 2005 LMV431I ELECTRICAL CHARACTERISTICS TA = 25°C unless otherwise specified Symbol Parameter Conditions Min Typ Max Unit s VREF Reference Voltage VZ = VREF, IZ = 10mA TA = 25°C 1.222 1.24 1.258 V (See Figure 4 ) TA = Full Range 1.202 1.278 VDEV Deviation of Reference Input Voltage Over VZ = VREF, IZ = 10mA, 6 20 mV Temperature (1) TA = Full Range (See Figure 4) ΔVREF/ Ratio of the Change in Reference Voltage IZ = 10mA (see Figure 5 ) −1.5 −2.7 mV/ ΔVZ to the Change in Cathode Voltage VZ from VREF to 6V V R1 = 10k, R2 = ∞ and 2.6k IREF Reference Input Current R1 = 10kΩ, R2 = ∞ 0.15 0.5 μA II = 10mA (see Figure 5) ∝IREF Deviation of Reference Input Current over R1 = 10kΩ, R2 = ∞, 0.1 0.4 μA Temperature II = 10mA, TA = Full Range (see Figure 5) IZ(MIN) Minimum Cathode Current for Regulation VZ = VREF(see Figure 4) 55 80 µA IZ(OFF) Off-State Current VZ = 6V, VREF = 0V (see Figure 6 ) 0.001 0.1 μA rZ Dynamic Output Impedance (2) VZ = VREF, IZ = 0.1mA to 15mA Frequency = 0Hz (see Figure 4) 0.25 0.4 Ω (1) Deviation of reference input voltage, VDEV, is defined as the maximum variation of the reference input voltage over the full temperature range.See following: The average temperature coefficient of the reference input voltage, ∝VREF, is defined as: Copyright © 2004–2005, Texas Instruments Incorporated Submit Documentation Feedback 5 Product Folder Links: LMV431 LMV431A LMV431B |
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同様の説明 - LMV431CM5X |
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