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ST8024 Fiches technique(PDF) 8 Page - STMicroelectronics |
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ST8024 Fiches technique(HTML) 8 Page - STMicroelectronics |
8 / 30 page Electrical characteristics ST8024 8/30 Table 6. Step-up Converter (VDD = 3.3V, VDDP = 5V, fXTAL = 10MHz, unless otherwise noted. Typical values are to Ta = 25°C) Symbol Parameter Test Conditions Min. Typ. Max. Unit fCLK Clock Frequency Card active 2.2 3.2 MHz Vth(vd-vf) Threshold voltage for Step- up Converter to change to voltage follower 5 V card 5.2 5.8 6.2 V 3 V card 3.8 4.1 4.4 VUP(av) Output Voltage on pin VUP (average value) VCC = 5 V 5.2 5.7 6.2 V VCC = 3 V; VDDP = 3.3 V 3.5 3.9 4.3 Table 7. Card supply voltage characteristics (VDD = 3.3V, VDDP = 5V, fXTAL = 10MHz, unless otherwise noted. Typical values are to TA = 25°C) (Note 1) Symbol Parameter Test Conditions Min. Typ. Max. Unit CVCC External capacitance on pin VCC Note 2 and Note 3 80 220 nF VCC Card supply voltage (including ripple voltage) Card Inactive; |ICC| = 0 mA 5 and 3V card -0.1 0 0.1 V Card Inactive; |ICC| = 1 mA 5 and 3V card -0.1 0 0.3 Card Active; |ICC| < 80 mA 5 V card 4.75 5 5.25 Card Active; |ICC| < 65 mA 3 V card 2.85 3 3.15 Card Active; single current pulse IP =-100 mA; tp=2 µs 5 V card 4.65 5 5.25 Card Active; single current pulse IP =-100 mA; tp =2 µs 3 V card 2.76 3 3.20 Card active; current pulses, QP = 40 nAs 5 V card 4.65 5 5.25 3 V card 2.76 3 3.20 Card Active; current pulses QP =40 nAs with |ICC| < 200mA, tp < 400 ns 5 V card 4.65 5 5.25 3 V card 2.76 3 3.20 VCC (RIPPLE) (P-P) Ripple voltage on VCC (Peak to Peak value) fRIPPLE = 20 KHz to 200 MHz 350 mV |ICC| Card supply current VCC = 0 to 5V 80 mA VCC = 0 to 3V 65 VCC short circuit to GND 90 120 SR Slew rate Slew up or down 0.08 0.15 0.22 V/µs |
Numéro de pièce similaire - ST8024_06 |
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Description similaire - ST8024_06 |
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