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LP55231 Datasheet(PDF) 10 Page - Texas Instruments |
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LP55231 Datasheet(HTML) 10 Page - Texas Instruments |
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10 / 53 page  EXTERNAL CLK (RIGHT SCALE) INTERNAL CLK (LEFT SCALE) 750 1k 500 250 0 VDD (V) 15 20 10 5 0 2.7 3.1 3.5 3.9 4.3 4.7 5.1 5.5 VOUT 2V/DIV SCL SDA STOP CONDITION TIME (40 Ps/DIV) LP55231 SNOSCR5 – MARCH 2013 www.ti.com TYPICAL PERFORMANCE CHARACTERISTICS (continued) Unless otherwise specified: VDD = 3.6V, CIN = COUT = 1.0 µF, C1 = C2 = 0.47 µF, TA = 25°C. (1) LED Current Accuracy Distribution LED Current Matching Distribution @ 17.5mA Current @ 17.5mA Current Figure 7. Figure 8. Power Save Mode Supply Current vs VDD . Serial Bus Write (51h to Addr 36h) and Charge Pump Charge pump in 1x mode. startup Waveform. ILOAD= 60mA; VDD=3.6V If the charge pump is OFF the supply current is even lower Figure 9. Figure 10. 10 Submit Documentation Feedback Copyright © 2013, Texas Instruments Incorporated Product Folder Links: LP55231 |
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