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UC1825A-SP Arkusz danych(PDF) 7 Page - Texas Instruments |
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UC1825A-SP Arkusz danych(HTML) 7 Page - Texas Instruments |
7 / 40 page 130 120 110 100 90 80 70 60 50 40 30 20 10 0 -10 -20 -30 Gain-Full Load 10 0 10 1 10 2 10 3 10 4 10 5 10 6 10 7 Frequency (Hz) Ove rall Ga in – F ull L oad EA Comp ensa tio n CTL– Output Full Load 0 -90 180 Full Phase 130 120 110 100 90 80 70 60 50 40 30 20 10 0 -10 -20 -30 Gain-Light Load 10 0 10 1 10 2 10 3 10 4 10 5 10 6 10 7 Frequency (Hz) Ove rall Ga in – Lig ht L oad EA Comp ensa tio n CTL– Outpu Light Load 0 -90 180 Light Phase 7 UC1825A-SP www.ti.com SLUS873C – JANUARY 2009 – REVISED DECEMBER 2016 Product Folder Links: UC1825A-SP Submit Documentation Feedback Copyright © 2009–2016, Texas Instruments Incorporated Electrical Characteristics (continued) TA = –55°C to 125°C, RT = 3.65 kΩ, CT = 1 nF, VCC = 12 V, TA = TJ (unless otherwise noted) PARAMETER TEST CONDITIONS MIN TYP MAX UNIT CURRENT LIMIT, START SEQUENCE, FAULT ISS Soft-start charge current VSS = 2.5 V 8 14 20 μA VSS Full soft-start threshold voltage 4.3 5 V IDSCH Restart discharge current VSS = 2.5 V 100 250 350 μA ISS Restart threshold voltage 0 V ≤ VILIM ≤ 1.5 V 0.3 0.5 V IBIAS ILIM bias current 15 μA ICL Current limit threshold voltage 0.95 1 1.05 V Overcurrent threshold voltage 1.14 1.2 1.26 V td Delay-to-output time, ILIM(1) VILIM = 0-V to 2-V step 50 80 ns OUTPUT Low-level output saturation voltage IOUT = 20 mA 0.25 0.45 V IOUT = 200 mA 1.2 2.2 High-level output saturation voltage IOUT = –20 mA 1.9 2.9 V IOUT = –200 mA 2 3 tr, tf Rise/fall time(1) CL = 1 nF 20 45 ns UNDERVOLTAGE LOCKOUT (UVLO) Start threshold voltage 8.3 9.2 9.6 V UVLO hysteresis 0.4 0.8 1.25 V SUPPLY CURRENT Isu Start-up current VC = VCC = 8 V 100 300 μA ICC Input current 28 36 mA 7.6 Typical Characteristics Figure 1. Gain: Light Load Figure 2. Gain: Full Load |
Podobny numer części - UC1825A-SP_16 |
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Podobny opis - UC1825A-SP_16 |
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