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LM3687 Fiches technique(PDF) 10 Page - Texas Instruments |
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LM3687 Fiches technique(HTML) 10 Page - Texas Instruments |
10 / 30 page VOUT_LIN 100 és/DIV 500 mV/DIV 2.0V 2.6V 1 mV/DIV AC Coupled IOUT_LIN = 350 mA VIN_LIN VOUT_LIN VOUT_DCDC IOUT_DCDC 5 mV/DIV 20 mV/DIV AC Coupled 500 mA/DIV 100 mA 750 mA no load 40 Ps/DIV AC Coupled VOUT_LIN IL VOUT_DCDC VEN_LIN/DCDC 100 és/DIV 1V/DIV 500 mA/DIV 1V/DIV 1V/DIV IOUT_DCDC = 700 mA IOUT_LN = 50 mA VBATT VOUT_LIN VOUT_DCDC 100 és/DIV 500 mV/DIV 3.0V 3.6V 5 mV/DIV 50 mV/DIV AC Coupled AC Coupled = VIN_LIN IOUT_LIN = 300 mA IOUT_DCDC = 400 mA 0.01 0.1 1 10 100 1000 100 90 80 70 60 50 40 30 20 10 VBATT = 4.2V VBATT = 2.8V OUTPUT CURRENT DC-DC (mA) VOUT_LIN IL VOUT_DCDC VEN_LIN/DCDC 40 és/DIV 1V/DIV 200 mA/DIV 1V/DIV 1V/DIV LM3687 SNVS473B – DECEMBER 2007 – REVISED MAY 2013 www.ti.com Typical Performance Characteristics (continued) Unless otherwise specified, typical application (post regulation), VBATT = 3.6V, TA = 25°C, enable pins tied to VBATT, VOUT_DCDC = 1.8V, VOUT_LIN = 1.2V Efficiency DC-DC vs. Output Current LDO disabled Startup into no load Figure 11. Figure 12. Startup into load VBATT Line Transient Response (PWM Mode) Figure 13. Figure 14. Load Transient Response DC-DC VIN_LIN Line Transient Response (PWM Mode: 100mA to 750mA) Figure 15. Figure 16. 10 Submit Documentation Feedback Copyright © 2007–2013, Texas Instruments Incorporated Product Folder Links: LM3687 |
Numéro de pièce similaire - LM3687_15 |
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Description similaire - LM3687_15 |
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