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LTM4686BIVPBF Datasheet(PDF) 6 Page - Analog Devices |
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LTM4686BIVPBF Datasheet(HTML) 6 Page - Analog Devices |
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6 / 130 page  LTM4686B 6 Rev. 0 For more information www.analog.com ELECTRICAL CHARACTERISTICS The l denotes the specifications which apply over the specified internal operating temperature range (Note 2). Specified as each individual output channel (Note 4). TA = 25°C, VIN = 5V, RUNn = 5V, FREQUENCY_SWITCH = 1MHz, VOUT_COMMANDn = 1V and VOUT_UV_FAULT_RESPONSEn = TON_MAX_FAULT_RESPONSEn = 0x00 unless otherwise noted. All other command codes configured per factory-default EEPROM settings unless otherwise noted. Tested per Circuit 1, unless otherwise noted. SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS VUV–RNG Output UV Comparator Threshold Detection Range (Note 15) High Range Scale, MFR_PWM_MODEn[1] = 0b Low Range Scale, MFR_PWM_MODEn[1] = 1b 1 0.5 3.6 2.7 V V VUV–ACC Output UV Comparator Threshold Accuracy (See Note 14) 2V ≤ VVOSNS0+ – VVOSNS0– ≤ 3.6V, MFR_PWM_MODE0[1] = 0b 1V ≤ VVOSNS0+ – VVOSNS0– ≤ 2.7V, MFR_PWM_MODE0[1] = 1b 0.5V ≤ VVOSNS0+ – VVOSNS0– < 1V, MFR_PWM_MODE0[1] = 1b 2V ≤ VVOSNS1 – VSGND ≤ 3.6V, MFR_PWM_MODE1[1] = 0b 1.5V ≤ VVOSNS1 – VSGND ≤ 2.7V, MFR_PWM_MODE1[1] = 1b 0.5V ≤ VVOSNS1 – VSGND < 1.5V, MFR_PWM_MODE1[1] = 1b l l l l l l ±2 ±2 ±20 ±2 ±2 ±30 % % mV % % mV tPROP–OV Output OV Comparator Response Times Overdrive to 10% Above Programmed Threshold 35 µs tPROP–UV Output UV Comparator Response Times Underdrive to 10% Below Programmed Threshold 50 µs SVIN OV/UV Analog Input Voltage Supervisor Comparators (Threshold Detectors for VIN_ON and VIN_OFF) NSVIN–OV/ UV–COMP SVIN OV/UV Comparator Threshold- Programming Resolution (Note 15) 8 Bits SVIN–OU–RANGE SVIN OV/UV Comparator Threshold- Programming Range l 4.5 5.75 V SVIN–OU–STP SVIN OV/UV Comparator Threshold- Programming LSB Step Size (Note 15) 82 mV SVIN–OU–ACC SVIN OV/UV Comparator Threshold Accuracy 4.5V ≤ SVIN ≤ 5.75V l ±225 mV tPROP–SVIN–LOW– VIN SVIN OV/UV Comparator Response Time, Low VIN Operating Configuration Test Circuit 1, and: VIN_ON = 4.5V; SVIN Driven from 4.225V to 4.725V VIN_OFF = 4.5V; SVIN Driven from 4.725V to 4.225V l l 35 35 µs µs Channels 0 and 1 Output Voltage Readback (READ_VOUT n) NVO–RB Output Voltage Readback Resolution and LSB Step Size (Note 15) 16 244 Bits µV VO–F/S Output Voltage Full-Scale Digitizable Range VRUNn = 0V (Notes 7, 15) 8 V VO–RB–ACC Output Voltage Readback Accuracy Channel 0: 1V ≤ VVOSNS0+ – VVOSNS0– ≤ 3.6V Channel 0: 0.5V ≤ VVOSNS0+ – VVOSNS0– < 1V Channel 1: 1V ≤ VVOSNS1 – VSGND ≤ 3.6V Channel 1: 0.5V ≤ VVOSNS1 – VSGND < 1V l l l l Within±0.5%ofReading Within±5mVofReading Within±0.5%ofReading Within±5mVofReading tCONVERT–VO–RB Output Voltage Readback Update Rate MFR_ADC_CONTROL = 0x00 (Notes 9, 15) MFR_ADC_CONTROL = 0x0D (Notes 9, 15) MFR_ADC_CONTROL = 0x05 or 0x09 (Notes 9, 15) 90 27 8 ms ms ms |
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