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LTC694IN8-3.3 Datasheet(PDF) 3 Page - Linear Technology |
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LTC694IN8-3.3 Datasheet(HTML) 3 Page - Linear Technology |
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3 / 16 page  3 LTC694-3.3/LTC695-3.3 ELECTRICAL C C HARA TERISTICS The q denotes specifications which apply over the operating temperature range, otherwise specifications are at TA = 25°C. VCC = 3.3V, VBATT = 2V, unless otherwise noted. PARAMETER CONDITIONS MIN TYP MAX UNITS Battery Back-Up Switching Operating Voltage Range VCC q 3.0 5.50 V VBATT q 1.5 2.75 V VOUT Output Voltage IOUT = 1mA VCC – 0.1 VCC – 0.01 V q VCC – 0.2 VCC – 0.01 V IOUT = 50mA q VCC – 0.8 VCC – 0.4 V VOUT in Battery Back-Up Mode IOUT = 250µA, VCC < VBATT q VBATT – 0.1 VBATT – 0.02 V Supply Current (Exclude IOUT)IOUT ≤ 50mA, VCC = 3.6V 0.2 0.6 mA q 0.2 1.0 mA Supply Current in Battery Back-Up Mode VCC = 0V, VBATT = 2V 0.04 1 µA q 0.04 5 µA Battery Standby Current (+ = Discharge, – = Charge) 3.6V > VCC > VBATT + 0.2V – 0.02 0.02 µA q – 0.10 0.10 µA Battery Switchover Threshold (VCC – VBATT) Power Up 70 mV Power Down 50 mV Battery Switchover Hysteresis 20 mV BATT ON Output Voltage (Note 4) ISINK = 800µA q 0.3 V BATT ON Output Short-Circuit Current (Note 4) BATT ON = VOUT, Sink Current 25 mA BATT ON = 0V, Source Current q 0.5 1 25 µA Reset and Watchdog Timer Reset Voltage Threshold q 2.8 2.9 3.0 V Reset Threshold Hysteresis 40 mV Reset Active Time OSC SEL HIGH, VCC = 3V 160 200 240 ms q 140 200 280 ms Watchdog Time-Out Period, Internal Oscillator Long Period, VCC = 3V 1.2 1.6 2.0 sec q 1.0 1.6 2.25 sec Short Period, VCC = 3V 80 100 120 ms q 70 100 140 ms Watchdog Time-Out Period, External Clock (Note 5) Long Period, VCC = 3V q 4032 4097 Clock Short Period, VCC = 3V q 960 1025 Cycles Reset Active Time PSRR 4ms/V Watchdog Time-Out Period PSRR, Internal OSC Short Period 2 ms/V Long Period 32 ms/V Minimum WDI Input Pulse Width VIL = 0.4V, VIH = 3V q 200 ns RESET Output Voltage at VCC = 1V ISINK = 10µA, VCC = 1V q 4 200 mV RESET and LOW LINE Output Voltage (Note 4) ISINK = 400µA, VCC = 2.8V q 0.3 V ISOURCE = 0.1µA, VCC = 3V q 2.3 V RESET and WDO Output Voltage (Note 4) ISINK = 400µA, VCC = 3V q 0.3 V ISOURCE = 0.1µA, VCC = 2.8V q 2.3 V RESET, RESET, WDO, LOW LINE Output Source Current q 13 25 µA Output Short-Circuit Current (Note 4) Output Sink Current 9 mA |
Similar Part No. - LTC694IN8-3.3 |
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Similar Description - LTC694IN8-3.3 |
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