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MAX8650 数据表(PDF) 4 Page - Maxim Integrated Products |
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MAX8650 数据表(HTML) 4 Page - Maxim Integrated Products |
4 / 25 page 4.5V to 28V Input Current-Mode Step-Down Controller with Adjustable Frequency 4 _______________________________________________________________________________________ ELECTRICAL CHARACTERISTICS (continued) (VIN = 12V, VBST - VLX = 6.5V, TA = -40°C to +85°C. Typical values are at TA = +25°C, unless otherwise noted.) (Note 1) PARAMETER CONDITIONS MIN TYP MAX UNITS FSYNC Synchronization Range 160 1200 kHz FSYNC Input-High Pulse Width 100 ns FSYNC Input-Low Pulse Width 100 ns FSYNC Rise/Fall Time 100 ns SYNCO Phase Shift 180 Degrees SYNCO Output Low Level ISYNCO = 5mA 0.4 V SYNCO Output High Level ISYNCO = 5mA VAVL - 1V V FSYNC Pin Threshold for SYNC Mode 1.7 2.5 V FSYNC Input Low 0.4 V FSYNC Input High 2.5 V FET DRIVERS VBST - VLX = 6.5V 1.13 1.8 DH On-Resistance, High State VBST - VLX = 5V 1.4 2.2 Ω VBST - VLX = 6.5V 1.0 2 DH On-Resistance, Low State VBST - VLX = 5V 1.3 2.2 Ω VVL = 6.5V 1.6 2.5 DL On-Resistance, High State VVL = 5V 1.7 2.8 Ω VVL = 6.5V 0.8 1.5 DL On-Resistance, Low State VVL = 5V 0.85 1.5 Ω Break-Before-Make Dead Time Low side off to high side on, high side off to low side on 20 30 ns LX, BST Leakage Current VBST = 35V, VLX = 28V, VIN = 28V 5 µA THERMAL PROTECTION Thermal Shutdown Rising temperature +160 °C Thermal-Shutdown Hysteresis 15 °C |
类似零件编号 - MAX8650 |
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类似说明 - MAX8650 |
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