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TL7700CPS 数据表(PDF) 9 Page - Texas Instruments |
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TL7700CPS 数据表(HTML) 9 Page - Texas Instruments |
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9 / 11 page  TL7700 SUPPLY-VOLTAGE SUPERVISOR SLVS220A – JULY 1999 – REVISED NOVEMBER 1999 9 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 TYPICAL CHARACTERISTICS Figure 17. VCC vc Output Test Circuit 3 VCC Vs GND CT RESET 2.2 k Ω 30 k Ω 510 pF Test Point 1 240 k Ω 100 pF Test Point 2 SENSE Figure 18. VCC vs Output Waveform 3 X-Axis = 0.2 ms/Division TP1 TP2 detailed description sense-voltage setting The sense voltage, Vs, of the TL7700 typically is 500 mV. By using two external resistors, the circuit designer can obtain any sense voltage over 500 mV. In Figure 19, the sensing voltage, V ′s, is calculated as: V ′s = Vs × (R1 + R2)/R2 Where: Vs = 500 mV, typically at TA = 25°C At room temperature, Vs has a variation of 500 mV ± 5 mV. In the basic circuit shown in Figure 19, variations of [ ±5 × (R1 + R2)/R2] mV are superimposed on Vs. VCC Vs GND CT RESET RL R1 R2 Ct VCC RESET GND SENSE Figure 19 |
类似零件编号 - TL7700CPS |
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类似说明 - TL7700CPS |
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