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LTM4677 Datasheet(PDF) 6 Page - Analog Devices |
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LTM4677 Datasheet(HTML) 6 Page - Analog Devices |
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6 / 116 page  LTC3883/LTC3883-1 6 Rev. F For more information www.analog.com ELECTRICAL CHARACTERISTICS The l denotes the specifications which apply over the specified operating junction temperature range, otherwise specifications are at TJ = 25°C (Note 2). VIN = 12V, VRUN = 3.3V, fSYNC = 500kHz (externally driven) unless otherwise specified. SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS Gate Driver TG tr tf TG Transition Time: Rise Time Fall Time (Note 4) CLOAD = 3300pF CLOAD = 3300pF 30 30 ns ns BG tr tf BG Transition Time: Rise Time Fall Time (Note 4) CLOAD = 3300pF CLOAD = 3300pF 20 20 ns ns TG/BG t1D Top Gate Off to Bottom Gate On Delay Time (Note 4) CLOAD = 3300pF 10 ns BG/TG t2D Bottom Gate Off to Top Gate On Delay Time (Note 4) CLOAD = 3300pF 30 ns tON(MIN) Minimum On-Time 45 ns OV/UV Output Voltage Supervisor N Resolution 8 bits VRANGE0 Voltage Range Range Value = 0 1 5.5 V VRANGE1 Voltage Range Range Value = 1 0.4 2.7 V VOUSTP0 Step Size Range Value = 0 22 mV VOUSTP1 Step Size Range Value = 1 11 mV VTHACC0 Threshold Accuracy 2V < VOUT < 5V Range Value = 0 l ±2 % VTHACC1 Threshold Accuracy 0.9V < VOUT < 2.5V Range Value = 1 l ±2 % tPROPOV1 OV Comparator to GPIO Low Time VOD = 10% of Threshold 35 µs tPROPUV1 UV Comparator to GPIO Low Time VOD = 10% of Threshold 35 µs VIN Voltage Supervisor N Resolution 8 bits VINRANGE Full-Scale Voltage 4.5 20 V VINSTP Step Size 82 mV VINTHACC Threshold Accuracy 8.75V < VIN < 20V l ±2.5 % tPROPVIN Comparator Response Time (VIN_ON and VIN_OFF) VOD = 10% of Threshold 100 µs Output Voltage Readback N Resolution LSB Step Size 16 244 Bits µV VF/S Full-Scale Sense Voltage (Note 10) VRUN = 0V (Note 8) 8 V VOUT_TUE Total Unadjusted Error TJ = 25°C, VOUT > 0.6V (Note 8) l 0.2 0.5 % % VOS Zero-Code Offset Voltage l ±500 µV tCONVERT Conversion Time (Note 6) 80 ms VIN Voltage Readback N Resolution (Note 5) 10 Bits VF/S Full-Scale Input Voltage (Note 11) 38.91 V VIN_TUE Total Unadjusted Error TJ = 25°C, VVIN > 4.5V l 0.4 2 % % tCONVERT Conversion Time (Note 6) 80 ms Output Current Readback N Resolution LSB Step Size (Note 5) 0V ≤ |VISENSE+ – VISENSE–| < 16mV 16mV ≤ |VISENSE+ – VISENSE–| < 32mV 32mV ≤ |VISENSE+ – VISENSE–| < 63.9mV 63.9mV ≤ |VISENSE+ – VISENSE–| < 127.9mV 10 15.25 31.25 62.5 125 Bits µV µV µV µV IF/S Full-Scale Input Current (Note 7) RISENSE = 1mΩ ±128 A IOUT_TUE Total Unadjusted Error (Note 8) VISENSE > 6mV l ±1 % |
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