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XRP7720 датащи(PDF) 7 Page - Exar Corporation |
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XRP7720 датащи(HTML) 7 Page - Exar Corporation |
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7 / 28 page ![]() X XR RP P7 77 72 20 0 Q Qu ua ad d O Ou uttp pu utt U Un niiv ve errs sa all C Cu us stto om miiz za ab blle e P PM MIIC C w wiitth h P PF FM M © 2014 Exar Corporation 7/28 Rev. 1.0.0 PWM GENERATORS AND OSCILLATOR Parameter Min. Typ. Max. Units Conditions Switching Frequency (fsw) Range 105 1230 kHz Steps defined in table fsw Accuracy –5 5 % GPIOS3 Parameter Min. Typ. Max. Units Conditions Input Pin Low Level 0.8 V Input Pin High Level 2.0 V Input Pin Leakage Current 1 µA Output Pin Low Level 0.4 V ISINK = 1mA Output Pin High Level 2.4 V ISOURCE = 1mA Output Pin High Level 3.3 3.6 V ISOURCE = 0mA Output Pin High-Z leakage Current (GPIO pins only) 10 µA Maximum Sink Current 1 mA Open Drain Mode I/O Frequency 30 MHz Note 3: 3.3V CMOS logic compatible, 5V tolerant. PSIOS4 Parameter Min. Typ. Max. Units Conditions Input Pin Low Level 0.8 V Input Pin High Level 2.0 V Input Pin Leakage Current 1 µA Output Pin Low Level 0.4 V ISINK = 3mA Output Pin High Level 15 V Open Drain. External pull-up resistor to user supply Output Pin High-Z leakage Current (PSIO pins only) 10 µA I/O Frequency 5 MHz Note 4: 3.3V/5.0V CMOS logic compatible, maximum rating of 15.0V GATE DRIVERS Parameter Min. Typ. Max. Units Conditions GH, GL Rise Time 17 ns At 10-90% of full scale, 1nF Cload GH, GL Fall Time 11 ns GH, GL Pull-Up On-State Output Resistance 4 5 Ω GH, GL Pull-Down On-State Output Resistance 2 2.5 Ω GH, GL Pull-Down Resistance in Off-Mode 50 kΩ VCC = VCCD = 0V. Bootstrap diode forward resistance 9 Ω @ 10mA Minimum On Time 50 ns 1nF of gate capacitance Minimum Off Time 125 ns 1nF of gate capacitance |
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