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LTM4686BIVPBF 数据表(PDF) 9 Page - Analog Devices |
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LTM4686BIVPBF 数据表(HTML) 9 Page - Analog Devices |
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9 / 130 page  LTM4686B 9 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 EEPROM Characteristics Endurance (Note 13) 0°C ≤ TJ ≤ 85°C During EEPROM Write Operations (Note 3) l 10,000 Cycles Retention (Note 13) TJ < TJ(MAX), with Most Recent EEPROM Write Operation Having Occurred at 0°C ≤ TJ ≤ 85°C (Note 3) l 10 Years Mass_Write Mass Write Operation Time Execution of STORE_USER_ALL Command, 0°C ≤ TJ ≤ 85°C (ATE-Tested at TJ = 25°C) (Notes 3, 13) 440 4100 ms Digital I/Os VIH Input High Threshold Voltage SCL, SDA, RUNn, GPIOn (Note 15) SHARE_CLK, WP (Note 15) 1.35 1.8 V V VIL Input Low Threshold Voltage SCL, SDA, RUNn, GPIOn (Note 15) SHARE_CLK, WP (Note 15) 0.8 0.6 V V VHYST Input Hysteresis SCL, SDA (Note 15) 80 mV VOL Output Low Voltage SCL, SDA, ALERT, RUNn, GPIOn, SHARE_CLK: ISINK = 3mA l 0.3 0.4 V IOL Input Leakage Current SDA, SCL, ALERT, RUNn: 0V ≤ VPIN ≤ 5.5V GPIOn and SHARE_CLK: 0V ≤ VPIN ≤ 3.6V l l ±5 ±2 µA µA tFILTER Input Digital Filtering RUNn (Note 15) GPIOn (Note 15) 10 3 µs µs CPIN Input Capacitance SCL, SDA, RUNn, GPIOn, SHARE_CLK, WP (Note 15) 10 pF PMBus Interface Timing Characteristics fSMB Serial Bus Operating Frequency (Note 15) 10 400 kHz tBUF Bus Free Time Between Stop and Start (Note 15) 1.3 μs tHD,STA Hold Time After Repeated Start Condition Time Period After Which First Clock Is Generated (Note 15) 0.6 µs tSU,STA Repeated Start Condition Setup Time (Note 15) 0.6 μs tSU,STO Stop Condition Setup Time (Note 15) 0.6 μs tHD,DAT Data Hold Time Receiving Data (Note 15) Transmitting Data (Note 15) 0 0.3 0.9 µs µs tSU,DAT Data Setup Time Receiving Data (Note 15) 0.1 μs tTIMEOUT_SMB Stuck PMBus Timer Timeout Measured from the Last PMBus Start Event: Block Reads, MFR_CONFIG_ALL[3] = 0b (Note 15) Non-Block Reads, MFR_CONFIG_ALL[3] = 0b (Note 15) MFR_CONFIG_ALL[3] = 1b (Note 15) 150 32 250 ms ms ms tLOW Serial Clock Low Period (Note 15) 1.3 10000 μs tHIGH Serial Clock High Period (Note 15) 0.6 μs |
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