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LM3445MX 数据表(PDF) 7 Page - Texas Instruments |
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LM3445MX 数据表(HTML) 7 Page - Texas Instruments |
7 / 42 page VBUCK (V) 1.50 1.25 1.00 0.75 0.50 0.25 0 50 100 150 200 3 LEDs 5 LEDs 7 LEDs 9 LEDs Series connected LEDs LEADING EDGE BLANKING (ns) 15.0 10.0 5.0 0.0 80 100 120 140 160 180 Room (25°C) Hot (125°C) Cold (-40°C) 100 units tested 200.0 190.0 180.0 170.0 160.0 150.0 -50 -25 0 25 50 75 100 125 150 TEMPERATURE (°C) 1.29 1.28 1.27 1.26 1.25 -50 -25 0 25 50 75 100 125 150 OFF Threshold at C11 TEMPERATURE (°C) LM3445 www.ti.com SNVS570M – JANUARY 2009 – REVISED NOVEMBER 2015 Typical Characteristics (continued) Figure 5. Min On-Time (tON) vs Temperature Figure 6. Off Threshold (C11) vs Temperature Figure 7. Normalized Variation in fSW over VBUCK Voltage Figure 8. Leading Edge Blanking Variation Over Temperature Copyright © 2009–2015, Texas Instruments Incorporated Submit Documentation Feedback 7 Product Folder Links: LM3445 |
类似零件编号 - LM3445MX |
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类似说明 - LM3445MX |
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