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TL7757IPKG3 Folha de dados(PDF) 3 Page - Texas Instruments |
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TL7757IPKG3 Folha de dados(HTML) 3 Page - Texas Instruments |
3 / 20 page TL7757 SUPPLY-VOLTAGE SUPERVISOR AND PRECISION VOLTAGE DETECTOR SLVS041I − SEPTEMBER 1991 − REVISED AUGUST 2003 3 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 recommended operating conditions MIN MAX UNIT VCC Supply voltage 1 7 V VOH High-level output voltage 15 V IOL Low-level output current 20 mA T Operating free air temperature TL7757C 0 70 °C TA Operating free-air temperature TL7757I −40 85 °C electrical characteristics at specified free-air temperature PARAMETER TEST CONDITIONS T TL7757C UNIT PARAMETER TEST CONDITIONS TA MIN TYP MAX UNIT V Negative going input threshold voltage at V 25 °C 4.43 4.55 4.67 V VIT− Negative-going input threshold voltage at VCC 0 °C to 70°C 4.4 4.7 V V † Hysteresis at V 25 °C 40 50 60 mV Vhys† Hysteresis at VCC 0 °C to 70°C 30 70 mV V Low level output voltage I 20 mA V 43V 25 °C 0.4 0.8 V VOL Low-level output voltage IOL = 20 mA, VCC = 4.3 V 0 °C to 70°C 0.8 V I High level output current VCC = 7 V, VOH = 15 V, 25 °C 1 A IOH High-level output current VCC = 7 V, See Figure 1 VOH = 15 V, 0 °C to 70°C 1 µA V ‡ Power up reset voltage RL = 2.2 kΩ, 25 °C 0.8 1 V Vres‡ Power-up reset voltage RL = 2.2 kΩ, VCC slew rate ≤ 5 V/µs 0 °C to 70°C 1.2 V V 43V 25 °C 1400 2000 ICC Supply current VCC = 4.3 V 0 °C to 70°C 2000 µA CC pp y VCC = 5.5 V 0 °C to 70°C 40 µ † This is the difference between positive-going input threshold voltage, VIT+, and negative-going input threshold voltage, VIT−. ‡ This is the lowest voltage at which RESET becomes active. switching characteristics at specified free-air temperature PARAMETER TEST CONDITIONS T TL7757C UNIT PARAMETER TEST CONDITIONS TA MIN TYP MAX UNIT t Propagation delay time, low-to-high-level VCC slew rate ≤ 5 V/µs, 25 °C 3.4 5 s tPLH Propagation delay time, low to high level output VCC slew rate ≤ 5 V/µs, See Figures 2 and 3 0 °C to 70°C 5 µs t Propagation delay time, high-to-low-level See Figures 2 and 3 25 °C 2 5 s tPHL Propagation delay time, high to low level output See Figures 2 and 3 0 °C to 70°C 5 µs t Rise time VCC slew rate ≤ 5 V/µs, 25 °C 0.4 1 s tr Rise time VCC slew rate ≤ 5 V/µs, See Figures 2 and 3 0 °C to 70°C 1 µs t Fall time See Figures 2 and 3 25 °C 0.05 1 s tf Fall time See Figures 2 and 3 0 °C to 70°C 1 µs t Minimum pulse duration at VCC for output 25 °C 5 µs tw(min) Minimum pulse duration at VCC for output response 0 °C to 70°C 5 µs |
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