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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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LTC7813 датащи(PDF) 4 Page - Linear Technology |
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LTC7813 датащи(HTML) 4 Page - Linear Technology |
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4 / 38 page  LTC3895 4 3895fa For more information www.linear.com/LTC3895 SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS Gate Driver TG Pull-up On-Resistance TG Pull-down On-Resistance VDRVSET = INTVCC 2.2 1.0 Ω Ω BG Pull-up On-Resistance BG Pull-down On-Resistance VDRVSET = INTVCC 2.0 1.0 Ω Ω BOOST to DRVCC Switch On-Resistance VSW = 0V, VDRVSET = INTVCC 11 Ω TG Transition Time: Rise Time Fall Time (Note 6) VDRVSET = INTVCC CLOAD = 3300pF CLOAD = 3300pF 25 15 ns ns BG Transition Time: Rise Time Fall Time (Note 6) VDRVSET = INTVCC CLOAD = 3300pF CLOAD = 3300pF 25 15 ns ns Top Gate Off to Bottom Gate On Delay Synchronous Switch-On Delay Time CLOAD = 3300pF each driver, VDRVSET = INTVCC 55 ns Bottom Gate Off to Top Gate On Delay Top Switch-On Delay Time CLOAD = 3300pF each driver, VDRVSET = INTVCC 50 ns tON(MIN) TG Minimum On-Time (Note 7) VDRVSET = INTVCC 80 ns Charge Pump for High Side Driver Supply ICPUMP Charge Pump Output Current VBOOST =16V, VSW = 12V, VFREQ = 0V VBOOST =19V, VSW = 12V, VFREQ = 0V 65 55 µA µA DRVCC LDO Regulator DRVCC Voltage from NDRV LDO Regulator NDRV Driving External NFET, VEXTVCC = 0V 7V < VIN < 150V, DRVSET = 0V 11V < VIN < 150V, DRVSET = INTVCC 5.8 9.6 6.0 10.0 6.2 10.4 V V DRVCC Load Regulation from NDRV LDO Regulator NDRV Driving External NFET ICC = 0mA to 50mA, VEXTVCC = 0V 0 1.0 % DRVCC Voltage from Internal VIN LDO NDRV = DRVCC, VEXTVCC = 0V 7V < VIN < 150V, DRVSET = 0V 11V < VIN < 150V, DRVSET = INTVCC 5.6 9.5 5.85 9.85 6.1 10.3 V V DRVCC Load Regulation from VIN LDO ICC = 0mA to 50mA, VEXTVCC = 0V DRVSET = 0V DRVSET = INTVCC 1.4 0.9 2.5 2.0 % % DRVCC Voltage from Internal EXTVCC LDO 7V < VEXTVCC < 13V, DRVSET = 0V 11V < VEXTVCC < 13V, DRVSET = INTVCC 5.8 9.6 6.0 10.0 6.2 10.4 V V DRVCC Load Regulation from Internal EXTVCC LDO ICC = 0mA to 50mA DRVSET = 0V, VEXTVCC = 8.5V DRVSET = INTVCC, VEXTVCC = 13V 0.7 0.5 2.0 2.0 % % EXTVCC LDO Switchover Voltage EXTVCC Ramping Positive DRVUV = 0V DRVUV = INTVCC, DRVSET = INTVCC 4.5 7.4 4.7 7.7 4.9 8.0 V V EXTVCC Hysteresis 250 mV Programmable DRVCC RDRVSET = 50k NDRV Driving External NFET, VEXTVCC = 0V 5.0 V Programmable DRVCC RDRVSET = 70k NDRV Driving External NFET, VEXTVCC = 0V 6.4 7.0 7.6 V Programmable DRVCC RDRVSET = 90k NDRV Driving External NFET, VEXTVCC = 0V 9.0 V elecTrical characTerisTics The l denotes the specifications which apply over the specified operating junction temperature range, otherwise specifications are at TA = 25°C (Note 2), VIN = 12V, VRUN = 5V, VEXTVCC = 0V, VDRVSET = 0V, VPRG = FLOAT unless otherwise noted. |
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