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L6228 датащи(PDF) 6 Page - STMicroelectronics |
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L6228 датащи(HTML) 6 Page - STMicroelectronics |
6 / 26 page L6228 6/26 Vth(ON) Turn-on Input Threshold 1.8 2.0 V Vth(OFF) Turn-off Input Threshold 0.8 1.3 V Vth(HYS) Input Threshold Hysteresis 0.25 0.5 V Switching Characteristics tD(ON)EN Enable to Output Turn-on Delay Time (8) ILOAD =1.4A, Resistive Load 500 650 800 ns tD(OFF)EN Enable to Output Turn-off Delay Time (8) ILOAD =1.4A, Resistive Load 500 800 1000 ns tRISE Output Rise Time (8) ILOAD =1.4A, Resistive Load 40 250 ns tFALL Output Fall Time (8) ILOAD =1.4A, Resistive Load 40 250 ns tDCLK Clock to Output Delay Time (9) ILOAD =1.4A, Resistive Load 2 µs tCLK(min)L Minimum Clock Time (10) 1µs tCLK(min) H Minimum Clock Time (10) 1µs fCLK Clock Frequency 100 KHz tS(MIN) Minimum Set-up Time (11) 1µs tH(MIN) Minimum Hold Time (11) 1µs tR(MIN) Minimum Reset Time (11) 1µs tRCLK(MIN ) Minimum Reset to Clock Delay Time (11) 1µs tDT Dead Time Protection 0.5 1 µs fCP Charge Pump Frequency Tj = -25°C to 125°C (7) 0.6 1 MHz PWM Comparator and Monostable IRCA, IRCB Source Current at pins RCA and RCB VRCA = VRCB = 2.5V 3.5 5.5 mA Voffset Offset Voltage on Sense Comparator VREFA, VREFB = 0.5V ±5 mV tPROP Turn OFF Propagation Delay (12) 500 ns tBLANK Internal Blanking Time on SENSE pins 1µs tON(MIN) Minimum On Time 2.5 3 µs tOFF PWM Recirculation Time ROFF = 20KΩ; COFF = 1nF 13 µs ROFF = 100KΩ; COFF = 1nF 61 µs ELECTRICAL CHARACTERISTICS (continued) (Tamb = 25°C, Vs = 48V, unless otherwise specified) Symbol Parameter Test Conditions Min Typ Max Unit |
Аналогичный номер детали - L6228 |
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Аналогичное описание - L6228 |
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