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LM3450 数据表(PDF) 9 Page - Texas Instruments |
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LM3450 数据表(HTML) 9 Page - Texas Instruments |
9 / 39 page 0.0 0.2 0.4 0.6 0.8 1.0 -0.2 0.0 0.2 0.4 0.6 0.8 1.0 DEMODULATED VAC PIN DUTY CYCLE VADJ=3V 2V 1.5V 1V 0.5V 2.5V VFB (V) 250 200 150 100 50 0 1.5 2.0 2.5 3.0 3.5 VCMP (V) 4.90 3.92 2.94 1.96 0.98 0.00 1.0 1.8 2.6 3.4 4.2 5.0 VAC = 3V VAC = 4V VAC = 2V VAC = 1V VAC = 0.1V VAC = 0.5V LM3450 www.ti.com SNVS681C – NOVEMBER 2010 – REVISED JUNE 2011 Typical Performance Characteristics (continued) TA=+25°C and VCC = 14V unless otherwise specified Transconductance vs. VFB Current Sense Threshold vs. VCOMP and VAC Figure 14. Figure 15. Decoder Mapping from VAC to DIM Figure 16. Copyright © 2010–2011, Texas Instruments Incorporated Submit Documentation Feedback 9 Product Folder Links: LM3450 |
类似零件编号 - LM3450 |
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类似说明 - LM3450 |
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