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LM3532 датащи(PDF) 7 Page - Texas Instruments |
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LM3532 датащи(HTML) 7 Page - Texas Instruments |
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7 / 52 page ![]() 2.5 3.0 3.5 4.0 4.5 5.0 5.5 VIN (V) 10.000 8.000 6.000 4.000 2.000 0.000 -2.000 -4.000 -6.000 -8.000 -10.000 85°C 25°C -40°C 0 32 64 96 128 160 192 224 256 Code (D) 1.00 0.75 0.50 0.25 0.00 -0.25 -0.50 -0.75 -1.00 2.5 3.1 3.7 4.3 4.9 5.5 VIN (V) 500 450 400 350 300 250 200 150 100 50 TA = +85°C TA = +25°C TA = -40°C 2.5 3.0 3.5 4.0 4.5 5.0 5.5 VIN (V) 2.450k 2.448k 2.446k 2.444k 2.442k 2.440k 2.438k 2.436k 85°C 25°C -40°C 2.5 3.1 3.7 4.3 4.9 5.5 VIN (V) 1.6 1.4 1.2 0.9 0.7 0.5 -40C 25C 85C 2.5 3.1 3.7 4.3 4.9 5.5 VIN (V) 240.0 220.0 200.0 180.0 160.0 140.0 120.0 100.0 80.0 60.0 40.0 20.0 0.0 25°C 85°C -40°C 240.0 220.0 200.0 180.0 160.0 140.0 120.0 100.0 80.0 20.0 0.0 40.0 60.0 LM3532 www.ti.com SNVS653E – JULY 2011 – REVISED AUGUST 2015 6.8 Typical Characteristics VIN = 3.6 V, LEDs (VF = 3.2 V at 20 mA, TA = 25°C), COUT = 1 µF, CIN = 2.2 µF, TA = 25°C unless otherwise specified. HWEN = GND Figure 1. Shutdown Current vs VIN Figure 2. Current Sink Matching vs VIN ILED2 To ILED3 2.44-k Ω Setting ( ΔILED is worst case difference between all three strings) Figure 4. ALS Resistance vs VIN RALS1 Figure 3. Current Sink Matching vs VIN ILED1 to ILED2 To ILED3 2.44-k Ω Setting Figure 5. Als Resistor Matching vs VIN Figure 6. Integral Non Linearity vs Code (Endpoint Method) Copyright © 2011–2015, Texas Instruments Incorporated Submit Documentation Feedback 7 Product Folder Links: LM3532 |
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