поискавой системы для электроныых деталей |
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LM3686 датащи(PDF) 8 Page - Texas Instruments |
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LM3686 датащи(HTML) 8 Page - Texas Instruments |
8 / 27 page LM3686 SNVS520E – AUGUST 2008 – REVISED MAY 2013 www.ti.com Electrical Characteristics Linear Regulator — LDO (1)(2)(3)(4) (continued) Typical Limit Symbol Parameter Conditions Units Min Typ Max ΔVIN_LDO/ΔVBATT Line regulation(6) VIN_LDO = (VOUT_LDO(NOM) + 0.3V) to 0.2 mV/V 5.5V VDROP Dropout voltage(7) IOUT = 300 mA 120 200 mV IQ Quiescent current Ven = 0.95V, IOUT = 0 mA 50 80 µA ISC-LDO Short circuit current limit VOUT = GND 350 mA System Characteristic(8) PSRR Power supply rejection EN_DC = EN_LILO = GND 85 ratio f = 1 kHz, IOUT = 200 mA dB f = 10 kHz, IOUT = 200 mA 70 Signal to VIN_LDO = 3.6V Output noise voltage(9) BW = 10 Hz to 100 kHz, eN_LDO VIN_LDO = 3.6V 6.7 µVRMS IOUT = 200 mA Dynamic line transient VIN_LDO = 3.8V to 4.4V ΔVIN_LDO response tr, tf = 30 µs +/-2(10) mV IOUT = 1 mA Dynamic load transient Pulsed load 1 mA & 300 mA ΔVOUT_LDO +/-30(10) mV response tr, tf = 10 µs (6) To calculate the output voltage from the line regulation specified, use the following equation: ΔVOUT = Line Regulation (%/V) x Nominal VOUT (V) x ΔVIN (V). (7) Dropout voltage is defined as the input to output voltage differential at which the output voltage falls to 100 mV below the nominal output voltage. (8) Specified by design. Not production tested. (9) The noise performance target is applied to PWM mode operation and this does not apply when DCDC converter is operating in PFM mode. (10) For line and load transient specifications, the + symbol represents an overshoot in the output voltage and the – symbol represents an undershoot in the output voltage. The first value signifies overshoot or undershoot at the rising edge and the second value signifies the overshoot or undershoot at the falling edge. 8 Submit Documentation Feedback Copyright © 2008–2013, Texas Instruments Incorporated Product Folder Links: LM3686 |
Аналогичный номер детали - LM3686 |
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Аналогичное описание - LM3686 |
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