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LM3643 Datasheet(PDF) 8 Page - Texas Instruments |
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LM3643 Datasheet(HTML) 8 Page - Texas Instruments |
8 / 39 page VIN (V) 2.5 3 3.5 4 4.5 5 5.5 0.16 0.17 0.18 0.19 0.2 D027 LED1, TA = -40GC LED2, TA = -40GC LED1, TA = +25GC LED2, TA = +25GC LED1, TA = +85GC LED2, TA = +85GC VIN (V) 2.5 3 3.5 4 4.5 5 5.5 0 0.2 0.4 0.6 0.8 1 1.2 D007 TA = -40GC TA = +25GC TA = +85GC VIN (V) 2.5 3 3.5 4 4.5 5 5.5 0.16 0.17 0.18 0.19 0.2 D025 TA = -40GC TA = -+25GC TA = +85GC VIN (V) 2.5 3 3.5 4 4.5 5 5.5 0.16 0.17 0.18 0.19 0.2 D026 TA = -40GC TA = -+25GC TA = +85GC VIN (V) 2.5 3 3.5 4 4.5 5 5.5 0.93 0.94 0.95 0.96 0.97 0.98 0.99 1 1.01 1.02 1.03 1.04 1.05 1.06 1.07 D023 TA = -40GC TA = +25GC TA = +85GC VIN (V) 2.5 3 3.5 4 4.5 5 5.5 0.68 0.69 0.7 0.71 0.72 0.73 0.74 0.75 0.76 0.77 0.78 D024 LED1, TA = -40GC LED2, TA = -40GC LED1, TA = +25GC LED2, TA = +25GC LED1, TA = +85GC LED2, TA = +85GC LM3643, LM3643A SNVS967A – AUGUST 2014 – REVISED NOVEMBER 2014 www.ti.com Typical Characteristics (continued) Ambient temperature is 25°C, input voltage is 3.6 V, HWEN = VIN, CIN = COUT = 2 × 10 µF and L = 1 µH, unless otherwise noted . ILED = 1 A ƒSW = 2 MHz Flash ILED = 730 mA ƒSW = 2 MHz Flash Figure 12. LED1/2 Current vs Input Voltage Figure 13. LED1 and LED2 Current vs Input Voltage ILED = 179 mA ƒSW = 2 MHz Torch ILED = 179 mA ƒSW = 4 MHz Torch Figure 14. LED Current vs Input Voltage Figure 15. LED Current vs Input Voltage ILED = 179 mA ƒSW = 2 MHz Torch HWEN = 0 V I2C = 0 V Figure 16. LED1 and LED2 Current vs Input Voltage Figure 17. Shutdown Current vs Input Voltage 8 Submit Documentation Feedback Copyright © 2014, Texas Instruments Incorporated Product Folder Links: LM3643 LM3643A |
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