поискавой системы для электроныых деталей |
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ST2S08B датащи(PDF) 6 Page - STMicroelectronics |
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ST2S08B датащи(HTML) 6 Page - STMicroelectronics |
6 / 18 page Electrical characteristics ST2S08B 6/18 Doc ID 18290 Rev 2 4 Electrical characteristics VIN_SW = VIN_A = 5 V, VO1,2 =1.2 V, C1= 4.7 µF, C2 = C3 = 22 µF, L1 = L2 = 3.3 µH, TJ = -30 to 125 °C, unless otherwise specified. Typical values refer to 25 °C. Table 6. Electrical characteristics Symbol Parameter Test conditions Min. Typ. Max. Unit FB1,2 Feedback voltage 784 800 816 mV IFB1,2 VFB pin bias current VFB = 1 V 600 nA IQ Quiescent current VINH > 1.2 V, VFB = 1 V 1.5 mA VINH = GND 20 µA IO1,2 Output current VIN = 3.0 to 5.5 V (1), TJ = - 30 to 85 °C 1.5 A IMIN Minimum output current 1 mA VINH Inhibit threshold 3.0 V < VIN < 5 V 1.2 V 3.0 V < VIN < 5.5 V 1.3 Device OFF 0.4 IINH1,2 Inhibit pin current 2 µA %VO1,2/ ΔVIN Reference line regulation 3.0 V < VIN < 5.5 V 0.04 %VO/ VIN ΔVO1,2 Reference load regulation 10 mA < IO < 1.5 A 10 mV PWM fS PWM switching frequency VFB = 0.7 V, TA = 25 °C 1.2 1.5 1.8 MHz DMAX Maximum duty cycle VFB = 0.7 V, TA = 25 °C 85 94 % ISWL Switching current limitation (2) 2A ILKN NMOS leakage current VFB = 0.9 V, TA = 25 °C 0.1 µA ILKP PMOS leakage current VFB = 0.9 V, TA = 25 °C 0.1 µA RDSon-N NMOS switch on resistance ISW = 250 mA 0.15 0.3 Ω RDSon-P PMOS switch on resistance ISW = 250 mA 0.2 0.4 Ω η Efficiency IO = 20 mA to 100 mA 75 % IO = 100 mA to 1.5 A 80 % TSHDN Thermal shutdown 150 °C THYS Thermal shutdown hysteresis 15 °C ISC - VIN Short-circuit VIN range (2) Output short-circuit to ground 3 5.3 V 1. VO= 90 % of nominal value. 2. Guaranteed by design, but not tested in production. |
Аналогичный номер детали - ST2S08B |
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Аналогичное описание - ST2S08B |
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