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LTM4686BEVPBF 数据表(PDF) 7 Page - Analog Devices |
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LTM4686BEVPBF 数据表(HTML) 7 Page - Analog Devices |
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7 / 130 page  LTM4686B 7 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 Input Voltage (SVIN) Readback (READ_VIN) NSVIN–RB Input Voltage Readback Resolution and LSB Step Size (Notes 10, 15) 10 15.625 Bits mV SVIN–F/S Input Voltage Full- Scale Digitizable Range (Notes 11, 15) 38.91 V SVIN–RB–ACC Input Voltage Readback Accuracy READ_VIN, 4.5V ≤ SVIN ≤ 5.75V l Within ±2% of Reading tCONVERT–SVIN–RB Input Voltage Readback Update Rate MFR_ADC_CONTROL = 0x00 (Notes 9, 15) MFR_ADC_CONTROL = 0x01 (Notes 9, 15) 90 8 ms ms Channels0and1OutputCurrent(READ_IOUTn),DutyCycle(READ_DUTY_CYCLEn),andComputedInputCurrent(MFR_READ_IINn)Readback NIO–RB Output Current Readback Resolution and LSB Step Size (Notes 10, 12) 10 15.6 Bits mA IO–F/S, II–F/S Output Current Full-Scale Digitizable Range and Input Current Range of Calculation (Note 12) ±40 A IO–RB–ACC Output Current, Readback Accuracy READ_IOUTn, Channels 0 and 1, 0 ≤ IOUTn ≤ 10A, Forced-Continuous Mode, MFR_PWM_MODEn[1:0] = 11b l Within 1A of Reading IO–RB(10A) Full Load Output Current Readback IOUTn = 10A (Note 12). See Histograms in Typical Performance Characteristics 10 A NII–RB Computed Input Current, Readback Resolution and LSB Step Size (Notes 10, 12) 10 1.95 Bits mA II–RB–ACC Computed Input Current, Readback Accuracy, Neglecting ISVIN MFR_READ_IINn, Channels 0 and 1, 0 ≤ IOUTn ≤ 10A, Forced Continuous Mode, MFR_PWM_MODEn[1:0] = 11b, MFR_IIN_OFFSETn = 0mA l Within150mAofReading tCONVERT–IO–RB Output Current Readback Update Rate MFR_ADC_CONTROL = 0x00 (Notes 9, 15) MFR_ADC_CONTROL = 0x0D (Notes 9, 15) MFR_ADC_CONTROL = 0x06 or 0x0A (Notes 9, 15) 90 27 8 ms ms ms tCONVERT–II–RB Computed Input Current, Readback Update Rate MFR_ADC_CONTROL = 0x00 (Notes 9, 15) 90 ms NDUTY–RB Resolution, Duty Cycle Readback (Notes 10, 15) 10 Bits DRB–ACC Duty Cycle TUE READ_DUTY_CYCLEn, 16.3% Duty Cycle (Note 15) ±3 % tCONVERT–DUTY–RB Duty Cycle Readback Update Rate MFR_ADC_CONTROL = 0x00 (Notes 9, 15) 90 ms |
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