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ST1S12G18R Folha de dados(PDF) 6 Page - STMicroelectronics |
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ST1S12G18R Folha de dados(HTML) 6 Page - STMicroelectronics |
6 / 20 page Electrical characteristics ST1S12xx 6/20 4 Electrical characteristics Note: 1 Guaranteed by design, but not tested in production. Table 6. Electrical characteristics for ST1S12G VIN =VEN = 3.6 V, CIN = 4.7 µF, CO =10 µF, L = 2.2 µH, TJ = -40 to 125 °C (unless otherwise specified. Typical values are referred to 25 °C) Symbol Parameter Test conditions Min. Typ. Max. Unit FB Feedback voltage TJ =-40 to 125°C 582 600 618 V IFB VFB pin bias current -50 50 nA VIN Minimum input voltage IO= 10mA to 0.7A 2.5 V IQ Quiescent current VIN =VEN, VFB=0.65V 500 600 µA VEN = 0, T = -40°C to 85°C 1 µA IO Output current VIN = 2.5 to 5.5V Note 1 0.7 A VEN Enable threshold Device ON, VIN = 2.5 to 5.5V 1.5 V Device OFF 0.5 IEN Enable pin current 1 µA %VO/ΔVIN Reference line regulation VIN = 2.5V to 5.5V Note 1 0.05 0.1 %VO/ΔVIN %VO/ΔIO Reference load regulation IO = 10mA to 700mA Note 1 0.0025 0.005 %VO/mA PWMfS PWM switching frequency 1.16 1.7 2.08 MHz DMAX Maximum duty cycle 100 % RDSON-N NMOS switch on resistance ISW = 100 mA 0.25 0.4 Ω RDSON-P PMOS switch on resistance ISW = 100 mA 0.25 0.45 Ω ISWL Switching current limitation Note 1 1.6 A ν Efficiency Note 1 IO = 10mA to 100mA, VO = 1.8V 80 % IO = 100mA to 0.7A, VO = 1.8V 90 TSHDN Thermal shutdown 130 150 °C THYS Thermal shutdown hysteresis 15 °C %VO/ΔIO Load transient response IO = 100mA to 700mA, TA = 25°C tR = tF ≥ 200ns, CO=22µF Note 1 -5 +5 %VO %VO/ΔIO Short circuit removal response IO = 10mA to IO=short, TA = 25°C Note 1 -10 +10 %VO |
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