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LM27213 数据表(PDF) 6 Page - Texas Instruments |
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LM27213 数据表(HTML) 6 Page - Texas Instruments |
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6 / 32 page  LM27213 SNVS377A – FEBRUARY 2006 – REVISED MARCH 2013 www.ti.com Electrical Characteristics (continued) Specifications with standard typeface are for TJ = 25°C, and those in bold face type apply over a junction temperature range of -5°C to +110°C. Unless otherwise specified, VDD = 5V, SGND = DGND = PGND = SRCK = 0V, unless otherwise stated. (1) Symbol Parameter Conditions Min Typ Max Units UVLO Threshold VDD = V5A = V5B, rising from 0V 4 4.3 4.5 V UVLO Hysteresis VDD = V5A = V5B falling from UVLO 0.2 0.66 V Threshold Logic VLH VR_ON, STP_CPU#, XPOK and SLP VR_ON, STP_CPU#, XPOK or SLP rising 2.31 1.9 V Input Logic High from 0V VLL VR_ON, STP_CPU#, XPOK and SLP VR_ON, STP_CPU#, XPOK or SLP 1.43 0.99 V Input Logic Low falling from 3.3V CLK_EN# Sink Current CLK_EN# = 0.1V and asserted 2.5 7 mA Power Good VPGH Power Good Upper Threshold As A SENSE voltage rising from 0V 108 114 119 % Percentage of VREF VPGL Power Good Lower Threshold As A SENSE voltage falling from above VREF 85 88 91 % Percentage of VREF Hysteresis 5 % tdpgood Power Good Delay 3 µs Ipgood PGOOD Sink Current PGOOD = 0.1V and asserted 2.5 7 mA Output Voltage Slew Rate Control Iss(on) Soft Start Current SS = 0V 16 22 32 µA Iss(off) Soft Shutdown Current 33 45 57 µA Iss(slew) VID and Mode Change Slew Rate Control 255 337 415 µA Current DAC and References VIDLH VID Pins Input Logic High 0.63 0.56 V VIDLL VID Pins Input Logic Low 0.48 0.315 V Vdac DAC Accuracy Measured at VREF pin % DAC codes from 0.7V to 0.828V -1.3 1.3 DAC codes from 0.844V to 1.004V -1.1 1.1 DAC codes from 1.020V to 1.196V -0.9 0.9 DAC codes from 1.212V to 1.356V -1 1 DAC codes from 1.372V to 1.500V -1.1 1.1 DAC codes from 1.516V to 1.708V -1.3 1.3 V1R7 V1R7 Accuracy 17k Ω from V1R7 to GND -1.674 1.708 1.742 V VSTP Offset VSTP = 1.398V, Measured at VREF pin -5 5 mV VBOOT Offset VBOOT = 1.00V, Measured at VREF pin -5 5 mV VSLP Offset VSLP = 0.748V, Measured at VREF pin -5 5 mV IVREF VREF Driving Capability source 1.3 mA sink 12.6 mA IVDAC VDAC Driving Capability source 1.3 mA sink 13.4 mA IV1R7 V1R7 Driving Capability source 90 549 µA Error Comparator IBEC Error Comparator Input Bias Current CMP = 1.436V. 12 21 33 µA (Sourcing) VOSEC Error Comparator Input Offset Voltage CMPREF = 1.436V. -3 3 mV IHYST Hysteresis Current (bi-directional) Rhys = 17kW 38 50 68 µA Rhys = 170kW 5 µA 6 Submit Documentation Feedback Copyright © 2006–2013, Texas Instruments Incorporated Product Folder Links: LM27213 |
类似零件编号 - LM27213_15 |
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类似说明 - LM27213_15 |
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