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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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LM25119PSQE датащи(PDF) 7 Page - Texas Instruments |
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LM25119PSQE датащи(HTML) 7 Page - Texas Instruments |
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7 / 33 page  LM25119/25119Q www.ti.com SNVS680E – AUGUST 2010 – REVISED FEBRUARY 2013 Electrical Characteristics (continued) Limits in standard type are for TJ = 25°C only; limits in boldface type apply over the junction temperature range of -40°C to +125°C. Unless otherwise specified, the following conditions apply: VIN = 12V, VCC = 8V, VCCDIS = 0V, EN2 = 5V, RT = 25k Ω, no load on LO and HO. Electrical characteristics are per channel where applicable. See (1), (2), and (3). Symbol Parameter Conditions Min Typ Max Units Oscillator fSW1 Frequency 1 RT = 25kΩ 180 200 220 kHz fSW2 Frequency 2 RT = 10kΩ 430 480 530 kHz RT Output Voltage 1.25 V RT Sync Positive Threshold 2.5 3.2 4 V Sync Pulse Minimum Width 100 ns Current Limit VCS(TH) Cycle-by-cycle Sense Voltage RAMP = 0 106 120 134 mV Threshold (CS - CSG) CS Bias Current CS = 0V -70 -95 µA Hiccup Mode Fault Timer 256 Cycles RES IRES RES current Source 9.7 µA VRES RES threshold CRES Charging 1.20 1.25 1.30 V Diode Emulation VIL DEMB Input Low Threshold 2.0 1.65 V VIH DEMB Input High Threshold 2.9 2.6 V DEMB Input Pull-Down Resistance 50 k Ω SW Zero Cross Threshold -5 mV LO Gate Driver VOLL LO Low-state Output Voltage ILO = 100mA 0.1 0.18 V VOHL LO High-state Output Voltage ILO = -100mA, VOHL = VCC - VLO 0.17 0.26 V LO Rise Time C-load = 1000pF 6 ns LO Fall Time C-load = 1000pF 5 ns IOHL Peak LO Source Current VLO = 0V 2.5 A IOLL Peak LO Sink Current VLO = VCC 3.3 A HO Gate Driver VOLH HO Low-state Output Voltage IHO = 100mA 0.11 0.19 V VOHH HO High-state Output Voltage IHO = -100mA, VOHH = VHB - VHO 0.18 0.27 V HO Rise Time C-load = 1000pF 6 ns HO Fall Time C-load = 1000pF 5 ns IOHH Peak HO Source Current VHO = 0V, SW = 0, HB = 8V 2.2 A IOLH Peak HO Sink Current VHO = VHB = 8V 3.3 A HB to SW Under-voltage 3 V HB DC Bias Current HB - SW = 8V 70 100 µA SWITCHING CHARACTERISTICS LO Fall to HO Rise Delay No load 70 ns HO Fall to LO Rise Delay No load 60 ns THERMAL TSD Thermal Shutdown Rising 165 °C Thermal Shutdown Hysteresis 25 °C θJA Junction to Ambient 40 °C/W θJC Junction to Case 4 °C/W Copyright © 2010–2013, Texas Instruments Incorporated Submit Documentation Feedback 7 Product Folder Links: LM25119/25119Q |
Аналогичный номер детали - LM25119PSQE |
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Аналогичное описание - LM25119PSQE |
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