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LM3447 数据表(PDF) 7 Page - Texas Instruments |
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LM3447 数据表(HTML) 7 Page - Texas Instruments |
7 / 25 page 93.4 93.8 94.2 94.6 95 95.4 95.8 96.2 −40 −25 −10 5 20 35 50 65 80 95 110 125 Temperature (°C) G006 −55 −50 −45 −40 −35 −30 −25 −20 −15 −10 −5 50 100 150 200 250 300 350 400 450 500 550 IVAC (µA) G007 0 0.5 1 1.5 2 2.5 3 3.5 4 0 2 4 6 8 10 12 14 16 18 20 VCC (V) VCC Rising VCC Falling G004 64.4 64.8 65.2 65.6 66 66.4 66.8 67.2 −40 −25 −10 5 20 35 50 65 80 95 110 125 Temperature (°C) G005 5 6 7 8 9 10 11 12 13 −40 −25 −10 5 20 35 50 65 80 95 110 125 UVLO Rising UVLO Falling Temperature (°C) G001 18.5 18.6 18.7 18.8 18.9 19 19.1 19.2 −40 −25 −10 5 20 35 50 65 80 95 110 125 OVP Rising OVP Falling Temperature (°C) G002 LM3447 www.ti.com SNOSC65 A – APRIL 2012 – REVISED MAY 2012 TYPICAL CHARACTERISTICS Unless otherwise stated, –40°C ≤ TA = TJ ≤ +125°C, VVCC = 14 V, VTSNS = 1.75V, VFLT2 = 1.75V, VAUX = 0.5V, VINV = 0V, IVAC = 100 μA, IBIAS = 100μA, CVCC = 10 μF, CCOMP = 0.047 μF Figure 1. VCC UVLO vs. Junction Temperature Figure 2. VCC OVP vs. Junction Temperature Figure 3. Operational IVCC vs. Figure 4. Dimmer Angle Detect Threshold Current vs. VCC Voltage Junction Temperature Figure 5. Hold MOSFET Turn-on Threshold Current vs. Figure 6. Feedforward Source Current (IFF) vs. VAC Current (IVAC) Junction Temperature Copyright © 2012, Texas Instruments Incorporated Submit Documentation Feedback 7 Product Folder Links: LM3447 |
类似零件编号 - LM3447 |
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类似说明 - LM3447 |
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