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LTC2909CDDB-2.5 Datasheet(PDF) 5 Page - Linear Technology |
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LTC2909CDDB-2.5 Datasheet(HTML) 5 Page - Linear Technology |
5 / 16 page LTC2909 5 2909fa Shunt Regulation Voltage vs Temperature ⎯R⎯S⎯T Output Voltage vs VCC ⎯R⎯S⎯T Pull-Down Current vs VCC ⎯R⎯S⎯T VOL vs I⎯R⎯S⎯T ISEL vs Temperature TYPICAL PERFOR A CE CHARACTERISTICS TA = 25°C unless otherwise noted TEMPERATURE ( °C) –50 6.0 6.4 7.0 0 50 75 2909 G10 6.2 6.8 6.6 –25 25 100 125 ICC = 10mA ICC = 1mA ICC = 100µA ⎯R⎯S⎯T Output Voltage vs VCC Shunt Regulation Voltage vs Supply Current SUPPLY CURRENT, ICC (mA) 7.0 6.2 6.8 6.6 6.4 0.01 1 10 100 2909 G11 6.0 0.1 TA = 25°C SUPPLY VOLTAGE, VCC (V) 0 3 4 5 4 2909 G12 2 1 0 1 2 3 5 LTC2909-2.5 LTC2909-5 LTC2909-3.3 ADJ1 = 0.55 ADJ2 = 0.45 SEL = OPEN 10k PULL-UP R TO VCC SUPPLY VOLTAGE, VCC (V) 0 0 0.1 0.2 0.3 0.4 0.1 0.2 0.3 0.4 2909 G13 0.5 0.6 0.7 0.8 RST WITH 10k PULL-UP RST WITH 100k PULL-UP VCC SUPPLY VOLTAGE, VCC (V) 0 0 1 2 3 4 5 6 123 4 2909 G14 5 ADJ1 = 0.55 ADJ2 = 0.55 SEL = OPEN RST AT 150mV RST AT 50mV ⎯R⎯S⎯T Pull-Down Current vs VCC SUPPLY VOLTAGE, VCC (V) 0.01 0.1 1 0 0.4 0.6 0.8 0.001 0.0001 0.2 1 2909 G15 RST AT 150mV RST AT 50mV ISEL vs Temperature IRST (mA) 0 0 0.2 0.4 0.6 0.8 1.0 5 10 15 20 1635 G07 25 30 VCC = 3V NO PULL-UP R TA = 125°C TA = –40°C TA = 25°C TEMPERATURE ( °C) –50 –25 –10 –14 –20 0 50 75 2909 G17 –12 –18 –16 25 100 125 SEL = GND TEMPERATURE ( °C) –50 –25 10 14 20 0 50 75 2909 G18 12 18 16 25 100 125 SEL = VCC |
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