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TS4604 数据表(PDF) 6 Page - STMicroelectronics |
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TS4604 数据表(HTML) 6 Page - STMicroelectronics |
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6 / 31 page ![]() Electrical characteristics TS4604 6/31 Doc ID 17913 Rev 1 3 Electrical characteristics Table 4. Common part: VCC = +3.3 V, GND = 0 V, CPhp = CPld = 1 µF, Tamb = 25°C (unless otherwise specified) Symbol Parameters and test conditions Min. Typ. Max. Unit VIL VENHP and VENLD Input voltage low 38 40 43 % Vcc VIH VENHP and VENLD Input voltage high 57 60 66 % Vcc IIH High level input current (ENHP and ENLD) -1 1 µA IIL Low level input current (ENHP and ENLD) -1 1 µA Fosc Internal negative voltage switching frequency, all temperature range 400 550 800 kHz Vup External undervoltage detection threshold 1.15 1.25 1.35 V Ihyst External undervoltage detection hysteresis current 5 µA Vhyst Pvcc_HP/LD Internal undervoltage detection hysteresis 200 mV Vuvl Pvcc_HP/LD internal undervoltage detection – power up – power down 2.8 2.6 V Av Overall external gain (R2 ≤100 kΩ, R1 = R2/Av) 0 1 20 10 dB V/V |
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