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LM3503ITL-25NOPB Fiches technique(PDF) 11 Page - Texas Instruments |
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LM3503ITL-25NOPB Fiches technique(HTML) 11 Page - Texas Instruments |
11 / 28 page -40 TEMPERATURE ( oC) 0.249 0.250 0.251 0.252 0.253 0.254 0.255 0.256 0.257 -30 -20 -10 0 10 20 30 40 50 60 70 80 VIN = 5.5V CNTRL = 1.6V VIN = 2.7V -40 TEMPERATURE ( oC) 0.119 0.120 0.121 0.122 0.123 0.124 0.125 0.126 0.127 -30 -20 -10 0 10 20 30 40 50 60 70 80 VIN = 2.7V CNTRL = 0.8V VIN = 5.5V 5.0 INPUT VOLTAGE (V) 690 700 710 720 730 740 750 760 770 780 5.5 4.5 4.0 3.5 3.0 2.5 85 oC -40 oC 25 oC 5.0 INPUT VOLTAGE (V) 440 460 480 500 520 540 560 580 600 620 5.5 4.5 4.0 3.5 3.0 2.5 T = -40 oC T = 25 oC T = 85 oC -40 80 TEMPERATURE ( oC) -25 -10 5 20 35 50 65 VIN = 7.0V 690 700 710 720 730 740 750 760 780 770 VIN = 2.5V LM3503 www.ti.com SNVS329D – JULY 2005 – REVISED AUGUST 2006 Typical Performance Characteristics (continued) (See Typical Application Circuit :e L=DO1608C-223 and D=B150-13. Efficiency: η = POUT/ PIN = [(VOUT – VFb ) * IOUT] / [VIN * IIN]. TA = +25°C, unless otherwise stated.) Current Limit (LM3503-25) Current Limit (LM3503-35/44) vs vs VIN Temperature Figure 25. Figure 26. Current Limit (LM3503-35/44) Feedback Voltage (VCntrl = 0.8V) vs vs VIN Temp Figure 27. Figure 28. Feedback Voltage (VCntrl = 1.6V) vs Temp VIN = 3.6V at 15mA & 4 Leds Figure 29. Figure 30. Copyright © 2005–2006, Texas Instruments Incorporated Submit Documentation Feedback 11 Product Folder Links: LM3503 |
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