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LTM4664 Datasheet(PDF) 11 Page - Analog Devices |
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LTM4664 Datasheet(HTML) 11 Page - Analog Devices |
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11 / 138 page  LTM4664A 11 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 1, 2, 3). Specified as each individual output channel designated with n (Note 3). TA = 25°C, VINS3 = 12V, RUN_Cn = 3.3V, EXTVCC = 0V, FREQUENCY_SWITCH = 350kHz and VOUTCn commanded to 1.000V unless otherwise noted. Configured with factory default EEPROM settings, unless otherwise noted. SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS IO-RB-ACC Output Current, Readback Accuracy READ_IOUTn, Channels 0 and 1, 0 ≤ IOUTn ≤ 25A, Forced-Continuous Mode, MFR_PWM_MODEn[0] = 1b With Offset Adjustment (–20°C to 125°C) (Note 7) See Histograms in Typical Performance Characteristics Section l 5 3.5 % % IO-RB(25A) Full Load Output Current Readback IOUTn = 30A Max by Module Design Up to 1.2V (Note 7) 25 30 A tCONVERT-IO-RB Output Current Readback Update Rate MFR_ADC_CONTROL = 0×00 (Notes 10, 12) MFR_ADC_CONTROL = 0×06 (CH0 IOUT)or 0×0A (CH1 IOUT) (Notes 9, 17) See MFR_ADC_CONTROL Section 90 8 ms ms Input Current Readback N Resolution (Notes 5, 10) 10 Bits VIINSTP LSB Step Size Full-Scale Range = 16mV LSB Step Size Full-Scale Range = 32mV LSB Step Size Full-Scale Range = 64mV Gain = 8, 0V ≤ |VIIN+ – VIIN–| ≤ 5mV Gain = 4, 0V ≤ |VIIN+ – VIIN–| ≤ 20mV Gain = 2, 0V ≤ |VIIN+ – VIIN–| ≤ 50mV 15.26 30.52 61 µV µV µV IIN_TUE Total Unadjusted Error Gain = 8, 2.5mV ≤ |VIIN+ – VIIN–| (Note 13) Gain = 4, 4mV ≤ |VIIN+ – VIIN–| (Note 13) Gain = 2, 6mV ≤ |VIIN+ – VIIN–| (Note 13) l l l 3.5 2.5 1.8 % % % VOS Zero-Code Offset Voltage (Note 10) ±50 µV tCONVERT Update Rate (Note 12) 90 ms Internal Controller Supply Current Readback VINS3 N Resolution (Notes 5,12) See MFR_ADC_CONTROL Section for Faster Update Rates 10 Bits VICONTROL STP LSB Step Size Full-Scale Range = 256mV 244 µV ICONTROL TUE Total Unadjusted Error 20mV ≤ |VIINS3_C1–SVIN| ≤ 150mV) See Block Diagram (Note 10) ±3 % tCONVERT Update Rate (Note 12) 90 ms Temperature Readback (TSNS_C0, TSNS_C1) TRES_T Resolution 0.25 °C T0_TUE External Temperature Total Unadjusted Readback Error Supporting Only Delta VBE Sensing (Note 13) 3 °C T1_TUE Internal TSNS TUE VRUN_C0,C1 = 0.0, fSYNC = 0kHz (Note 8) 3 °C tCONVERT Update Rate MFR_ADC_CONTROL = 0×04 or 0×0C (Notes 9, 12, 15) 90 8 ms ms INTVCC Regulator/EXTVCC VINTVCC Internal VCC Voltage No Load 6V ≤ VIN ≤ 16V 5.25 5.5 5.75 V VLDO_INT INTVCC Load Regulation ICC = 0mA to 20mA, 6V ≤ VIN ≤ 16V 0.5 ±2 % VEXTVCC EXTVCC Switchover Voltage VINS3_C1 ≥ 7V, EXTVCC Rising 4.5 4.7 4.9 V VLDO_HYS EXTVCC Hysteresis 340 mV VLDO_EXT EXTVCC Voltage Drop ICC = 20mA, VEXTVCC = 5.5V 60 120 mV VIN_THR VIN Threshold to Enable EXTVCC Switchover VIN Rising 7.1 V VIN_THF_HYS VIN Hysteresis to Disable EXTVCC Switchover VIN Falling 600 mV |
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