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LTC2902 Datasheet(PDF) 6 Page - Linear Technology |
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LTC2902 Datasheet(HTML) 6 Page - Linear Technology |
6 / 16 page 6 LTC2902 2902f TYPICAL PERFOR A CE CHARACTERISTICS Typical Transient Duration vs Comparator Overdrive (V1, V2) RST Output Voltage vs V1, VPG = 0V Reset Time-Out Period vs Temperature Reset Time-Out Period vs Capacitance IV4 vs Temperature RST, COMPX ISINK vs Supply Voltage TEMPERATURE ( °C) –60 0 0.1 0.3 0.4 0.5 1.0 0.7 –20 20 40 2902 G13 0.2 0.8 0.9 0.6 –40 0 60 80 100 V1 = 5V V2 = 3.3V V3 = 2.5V V4 = 1.8V RESET COMPARATOR OVERDRIVE VOLTAGE (% OF VRTX) 0.1 250 300 350 400 450 1 10 100 2902 G14 200 150 50 0 100 RESET OCCURS ABOVE CURVE TA = 25°C V1 (V) 0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 2902 G15 5 4 3 2 1 0 V1 = V2 = V3 = V4 10k PULL-UP FROM RST TO V1 TA = 25°C TEMPERATURE ( °C) –60 4.9 5.9 6.4 6.9 8.9 7.9 –20 20 40 2902 G16 5.4 8.4 7.4 –40 0 60 80 100 CRT = 1500pF (SILVER MICA) CRT (FARAD) 10p 100p 10n 1 µ 10 1 100m 10m 1m 100 µ 2902 G17 1n 100n TA = 25°C V1 OR V2 (V) 0 0 2 4 6 1 2 34 2902 G18 5 8 10 1 3 5 7 9 6 VOL = 0.4V TA = 25°C VOL = 0.2V RST, COMPX Voltage Output Low vs Output Sink Current RST High Level Output Voltage vs Output Source Current (LTC2902-2) ISINK (mA) 0 20 40 50 90 2902 G19 10 30 60 70 80 3.0 2.5 2.0 1.5 1.0 0.5 0 85 °C 25 °C –40 °C V2 = 3V V1 = 5V ISOURCE (mA) 0 0.5 2 3.5 3.0 2.5 2.0 1.5 1.0 0.5 0 2902 G20 2.5 1.5 1 85 °C 25 °C –40 °C V1 = 5V V2 = 3V V3 = 2.5V V4 = 1V RESET COMPARATOR OVERDRIVE VOLTAGE (% OF VRTX) 0.1 80 100 120 140 160 1 10 100 2902 G25 60 40 20 0 200 180 220 TA = 25°C RESET OCCURS ABOVE CURVE Typical Transient Duration vs Comparator Overdrive (V3, V4) |
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Similar Description - LTC2902 |
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