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LM3409HV-Q1 Folha de dados(PDF) 6 Page - Texas Instruments |
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LM3409HV-Q1 Folha de dados(HTML) 6 Page - Texas Instruments |
6 / 45 page 6 LM3409, LM3409-Q1, LM3409HV, LM3409HV-Q1 SNVS602L – MARCH 2009 – REVISED JUNE 2016 www.ti.com Product Folder Links: LM3409 LM3409-Q1 LM3409HV LM3409HV-Q1 Submit Documentation Feedback Copyright © 2009–2016, Texas Instruments Incorporated (1) Typical values represent most likely parametric norms at the conditions specified and are not ensured. (2) Minimum and maximum limits are 100% production tested at 25°C. Limits over the operating temperature range are specified through correlation using Statistical Quality Control (SQC) methods. Limits are used to calculate Texas Instrument's Average Outgoing Quality Level (AOQL). (3) The current sense threshold limits are calculated by averaging the results from the two polarities of the high-side differential amplifier. 7.5 Electrical Characteristics VIN = 24 V unless otherwise indicated. Typicals and limits appearing in plain type apply for TA = TJ = 25°C (1). Data sheet minimum and maximum specification limits are specified by design, test, or statistical analysis. PARAMETER TEST CONDITIONS MIN(2) TYP(1) MAX(2) UNIT PEAK CURRENT COMPARATOR VCST VCSP – VCSN average peak current threshold(3) VADJ = 1 V 188 198 208 mV VADJ = VADJ-OC 231 246 261 AADJ VADJ to VCSP – VCSN threshold gain 0.1 < VADJ < 1.2 V VADJ = VADJ-OC 0.2 V/V VADJ-OC IADJ pin open circuit voltage 1.189 1.243 1.297 V IADJ IADJ pin current 3.8 5 6.4 µA tDEL CSN pin falling delay CSN fall - PGATE rise 38 ns SYSTEM CURRENTS IIN Operating input current Not switching 2 mA ISD Shutdown input current EN = 0 V 110 µA PFET DRIVER RPGATE Driver output resistance Sourcing 50 mA 2 Ω Sinking 50 mA 2 VCC REGULATOR VCC VIN pin voltage - VCC pin voltage VIN > 9 V 0 < ICC < 20 mA 5.5 6 6.5 V VCC-UVLO VCC undervoltage lockout threshold VCC increasing 3.73 V VCC-HYS VCC UVLO hysteresis VCC decreasing 283 mV ICC-LIM VCC regulator current limit 30 45 mA OFF-TIMER AND ON-TIMER VOFT Off-time threshold 1.122 1.243 1.364 V tD-OFF COFF threshold to PGATE falling delay 25 ns tON-MIN Minimum ON-time 115 211 ns tOFF-MAX Maximum OFF-time 300 µs UNDERVOLTAGE LOCKOUT IUVLO UVLO pin current VUVLO = 1 V 10 nA VUVLO-R Rising UVLO threshold 1.175 1.243 1.311 V IUVLO-HYS UVLO hysteresis current 22 µA ENABLE IEN EN pin current 10 nA VEN-TH EN pin threshold VEN rising 1.74 V VEN falling .5 VEN-HYS EN pin hysteresis 420 mV tEN-R EN pin rising delay EN rise - PGATE fall 42 ns tEN-F EN pin falling delay EN fall - PGATE rise 21 ns |
Nº de peça semelhante - LM3409HV-Q1 |
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Descrição semelhante - LM3409HV-Q1 |
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