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LM26003 Folha de dados(PDF) 6 Page - Texas Instruments |
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LM26003 Folha de dados(HTML) 6 Page - Texas Instruments |
6 / 32 page LM26003, LM26003-Q1 SNVS576F – AUGUST 2008 – REVISED FEBRUARY 2015 www.ti.com Electrical Characteristics (continued) Unless otherwise stated, Vin = 12 V, TJ = 25°C. Minimum and Maximum limits are ensured through test, design, or statistical correlation. PARAMETER TEST CONDITIONS MIN TYP(1) MAX UNIT PROTECTION ILIMPK Peak Current Limit 4.7 A –40°C ≤ TJ ≤ 125°C 3.15 6.05 VFB_SC Short Circuit Frequency Foldback Measured at FB falling 0.87 V Threshold F_min_sc Min Frequency in Foldback VFB < 0.3 V 45 kHz VTH_PGOOD Power Good Threshold Measured at FB, PGOOD rising 92% Measured at FB, PGOOD rising, 89% 95% –40°C ≤ TJ ≤ 125°C PGOOD Hysteresis 2% 6% 8% IPGOOD_HI PGOOD Leakage Current PGOOD = 5 V 1.25 nA RDS_PGOOD PGOOD On Resistance PGOOD sink current = 500 µA 150 Ω VUVLO Under-voltage Lock-Out Threshold Vin falling , shutdown, VDD = 2.96 V VIN Vin falling , shutdown, VDD = 2.70 3.30 VIN, –40°C ≤ TJ ≤ 125°C Vin rising, soft-start, VDD = VIN 3.99 Vin rising, soft-start, VDD = VIN, 3.70 4.30 –40°C ≤ TJ ≤ 125°C TSD Thermal Shutdown Threshold 160 °C θJA Thermal Resistance Power dissipation = 1W, 0 lfpm 32 °C/W air flow LOGIC VthEN Enable Threshold Voltage Enable rising 1.18 V Enable rising, –40°C ≤ TJ ≤ 0.8 1.4 125°C Enable Hysteresis 180 mV IEN_Source EN Source Current EN = 0 V 4.85 µA VTH_FPWM FPWM Threshold 1.24 V –40°C ≤ TJ ≤ 125°C 0.8 1.6 IFPWM FPWM Leakage Current FPWM = 5 V 3 nA EA gm Error Amp Trans-conductance 675 µmho –40°C ≤ TJ ≤ 125°C 400 1000 ICOMP COMP Source Current VCOMP = 0.9 V 57 µA COMP Sink Current VCOMP = 0.9 V 57 µA VCOMP COMP Pin Voltage Range 0.64 1.27 V 6 Submit Documentation Feedback Copyright © 2008–2015, Texas Instruments Incorporated Product Folder Links: LM26003 LM26003-Q1 |
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