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LP2985 Fiches technique(PDF) 5 Page - Texas Instruments |
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LP2985 Fiches technique(HTML) 5 Page - Texas Instruments |
5 / 25 page www.ti.com Electrical Characteristics LP2985 150-mA LOW-NOISE LOW-DROPOUT REGULATOR WITH SHUTDOWN SLVS522J – JULY 2004 – REVISED AUGUST 2006 at specified virtual junction temperature range, V IN = VOUT(NOM) + 1 V, VON/OFF = 2 V, CIN = 1 µF, IL = 1 mA, COUT = 4.7 µF (unless otherwise noted) LP2985A-xx LP2985-xx PARAMETER TEST CONDITIONS TJ UNIT MIN TYP MAX MIN TYP MAX IL = 1 mA 25 °C –1 1 –1.5 1.5 25 °C –1.5 1.5 –2.5 2.5 Output 1 mA ≤ I L ≤ 50 mA ∆V OUT voltage –40 °C to 125°C –2.5 2.5 –3.5 3.5 %VNOM tolerance 25 °C –2.5 2.5 –3 3 1 mA ≤ I L ≤ 150 mA –40 °C to 125°C –3.5 3.5 –4 4 25 °C 0.007 0.014 0.007 0.014 Line VIN = [VOUT(NOM) + 1 V] to 16 V %/V regulation –40 °C to 125°C 0.032 0.032 25 °C 1 3 1 3 IL = 0 –40 °C to 125°C 5 5 25 °C 7 10 7 10 IL = 1 mA –40 °C to 125°C 15 15 25 °C 40 60 40 60 Dropout VIN – VOUT IL = 10 mA mV voltage(1) –40 °C to 125°C 90 90 25 °C 120 150 120 150 IL = 50 mA –40 °C to 125°C 225 225 25 °C 280 350 280 350 IL = 150 mA –40 °C to 125°C 575 575 25 °C 65 95 65 95 IL = 0 –40 °C to 125°C 125 125 25 °C 75 110 75 110 IL = 1 mA –40 °C to 125°C 170 170 25 °C 120 220 120 220 IL = 10 mA –40 °C to 125°C 400 400 Ground IGND pin 25 °C 350 600 350 600 µA IL = 50 mA current –40 °C to 125°C 1000 1000 25 °C 850 1500 850 1500 IL = 150 mA –40 °C to 125°C 2500 2500 VON/OFF < 0.3 V (OFF) 25 °C 0.01 0.8 0.01 0.8 –40 °C to 105°C 0.05 2 0.05 2 VON/OFF < 0.15 V (OFF) –40 °C to 125°C 5 5 25 °C 1.4 1.4 VON/OFF = HIGH → O/P ON ON/OFF –40 °C to 125°C 1.6 1.6 VON/OFF input V 25 °C 0.55 0.55 voltage(2) VON/OFF = LOW → O/P OFF –40 °C to 125°C 0.15 0.15 25 °C 0.01 0.01 VON/OFF = 0 ON/OFF –40 °C to 125°C –2 –2 ION/OFF input µA 25 °C 5 5 current VON/OFF = 5 V –40 °C to 125°C 15 15 Output BW = 300 Hz to 50 kHz, Vn noise COUT = 10 µF, 25 °C 30 30 µV (RMS) CBYPASS = 10 nF Ripple f = 1kHz, COUT = 10 µF, ∆V OUT/∆VIN 25 °C 45 45 dB rejection CBYPASS = 10 nF (1) Dropout voltage is defined as the input-to-output differential at which the output voltage drops 100 mV below the value measured with a 1-V differential. (2) The ON/OFF input must be driven properly for reliable operation (see Application Information). 5 Submit Documentation Feedback |
Numéro de pièce similaire - LP2985_06 |
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Description similaire - LP2985_06 |
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