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LP2967IMM-2528 Datasheet(PDF) 7 Page - Texas Instruments |
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LP2967IMM-2528 Datasheet(HTML) 7 Page - Texas Instruments |
7 / 20 page Electrical Characteristics (Continued) Limits in standard typeface are for T j = 25˚C, and limits in boldface type apply over the full operating junction temperature range. Unless otherwise specified, V IN =VO(NOM) + 1V, IL = 1mA, CIN = 1µF,COUT = 4.7µF, VON/OFF = 1.6V. Symbol Parameter Conditions Min Typ Max Units RR Ripple Rejection C BYPASS = 100nF, VIN = V O(NOM) + 1V + 100mV p-p square wave (trise and tfall = 100ns) −52 −54 −56 −58 −50 −47 −70 dB F = 120Hz F = 800Hz F = 1000Hz F = 1600Hz F = 10kHz F = 100kHz F = 1MHz Xtalk Crosstalk Rejection ∆I LOAD 1 = 150 mA at 1kHz rate (15 mA/µs rise and fall slope) dB I LOAD2 = 1mA ∆V OUT 2/ ∆V OUT 1 −100 ∆I LOAD 2 = 150 mA at 1KHz rate (15 mA/µs rise and fall slope) −100 I LOAD 1 = 1mA ∆V OUT 2/ ∆V OUT 1 Note 1: Absolute maximum ratings indicate limits beyond which damage to the device may occur. Electrical specifications do not apply when operating the device beyond its rated operating conditions. Note 2: Rating is for the human body mode, a 100pF capacitor discharged through a 1.5k Ω resistor into each pin. Note 3: The maximum allowable power dissipation is calculated by using PDMAX =(TJMAX -TA/θJA, where TJMAX is the maximum junction temperature, TA is the ambient temperature, and θJA is the junction-to-ambient thermal resistance of the specified package. Therefore, the maximum power dissipation must be derated at elevated temperatures and is limited by TJMAX, θJA and A. Note 4: If used in a dual-supply system where the regulator load is returned to a negative supply, the LP2967 output must be diode-clamped to ground. Note 5: The output PNP structure contains a diode between the VIN and VOUT terminals that is normally reverse-biased. Reversing the polarity from VIN and VOUT will turn on this diode. Note 6: Load regulation excursion over temperature is included in Output Voltage Tolerance. Note 7: The dropout voltage of a regulator is defined as the minimum input-to-output differential required to stay within 100mV of the output voltage measured with a 1V differential. www.national.com 6 |
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