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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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LT1674 датащи(PDF) 3 Page - Linear Technology |
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LT1674 датащи(HTML) 3 Page - Linear Technology |
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3 / 24 page  LTC3109 3 3109fa ELECTRICAL CHARACTERISTICS Note 1: Stresses beyond those listed under Absolute Maximum Ratings may cause permanent damage to the device. Exposure to any Absolute Maximum Rating condition for extended periods may affect device reliability and lifetime. Note 2: The LTC3109 is tested under pulsed load conditions such that TJ ≈ TA. The LTC3109E is guaranteed to meet specifications from The l denotes the specifications which apply over the full operating junction temperature range, otherwise specifications are for TA = 25°C (Note 2). VAUX = 5V unless otherwise noted. PARAMETER CONDITIONS MIN TYP MAX UNITS Minimum Start-Up Voltage Using 1:100 Transformer Turns Ratio, VAUX = 0V ±30 ±50 mV No-Load Input Current Using 1:100 Transformer Turns Ratios, VIN = 30mV, VOUT2_EN = 0V, All Outputs Charged and in Regulation 6mA Input Voltage Range Using 1:100 Transformer Turns Ratios l VSTARTUP ±500 mV Output Voltage VS1 = VS2 = GND VS1 = VAUX, VS2 = GND VS1 = GND, VS2 = VAUX VS1 = VS2 = VAUX l l l l 2.30 3.234 4.018 4.875 2.350 3.300 4.100 5.000 2.40 3.366 4.182 5.10 V V V V VAUX Quiescent Current No Load, All Outputs Charged 7 10 μA VAUX Clamp Voltage Current Into VAUX = 5mA l 5.0 5.25 5.55 V VOUT Quiescent Current VOUT = 3.3V, VOUT2_EN = 0V 0.2 μA VOUT Current Limit VOUT = 0V l 615 26 mA N-Channel MOSFET On-Resistance C2B = C2A = 5V (Note 3) Measured from VINA or SWA, VINB or SWB to GND 0.35 Ω LDO Output Voltage 0.5mA Load On VLDO l 2.134 2.2 2.30 V LDO Load Regulation For 0mA to 2mA Load 0.5 1 % LDO Line Regulation For VAUX from 2.5V to 5V 0.05 0.2 % LDO Dropout Voltage ILDO = 2mA l 100 200 mV LDO Current Limit VLDO = 0V l 512 mA VSTORE Leakage Current VSTORE = 5V 0.1 0.3 μA VSTORE Current Limit VSTORE = 0V l 615 26 mA VOUT2 Leakage Current VOUT2 = 0V, VOUT2_EN = 0V 50 nA VS1, VS2 Threshold Voltage l 0.4 0.85 1.2 V VS1, VS2 Input Current VS1 = VS2 = 5V 1 50 nA PGOOD Threshold (Rising) Measured Relative to the VOUT Voltage –7.5 % PGOOD Threshold (Falling) Measured Relative to the VOUT Voltage –9 % PGOOD VOL Sink Current = 100μA 0.12 0.3 V PGOOD VOH Source Current = 0 2.1 2.2 2.3 V PGOOD Pull-Up Resistance 1MΩ VOUT2_EN Threshold Voltage VOUT2_EN Rising l 0.4 1.0 1.3 V VOUT2_EN Threshold Hysteresis 100 mV VOUT2_EN Pull-Down Resistance 5MΩ VOUT2 Turn-On Time 0.5 μs VOUT2 Turn-Off Time (Note 3) 0.15 μs VOUT2 Current Limit VOUT = 3.3V l 0.2 0.3 0.5 A VOUT2 Current Limit Response Time (Note 3) 350 ns VOUT2 P-Channel MOSFET On-Resistance VOUT = 5V (Note 3) 1.0 Ω 0°C to 85°C junction temperature. Specifications over the –40°C to 125°C operating junction temperature range are assured by design, characterization and correlation with statistical process controls. The LTC3109I is guaranteed over the full –40°C to 125°C operating junction temperature range. Note that the maximum ambient temperature is determined by specific operating conditions in conjunction with |
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