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LM3668 Datasheet(PDF) 9 Page - Texas Instruments |
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LM3668 Datasheet(HTML) 9 Page - Texas Instruments |
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9 / 30 page  100 2s/DIV 5V/DIV 5V/DIV 500 mA/DIV SW2 SW1 VOUT_AC LOAD 200 mv/DIV 100 2s/DIV 5V/DIV 5V/DIV 200 mV/DIV 500 mA/DIV SW2 SW1 VOUT_AC LOAD 4.0V 3.4V VIN VOUT_AC SW2 SW1 100 mV/DIV 5V/DIV 5V/DIV 100 2s/DIV 3.4V 2.8V 100 mV/DIV 5V/DIV 5V/DIV 100 2s/DIV VIN VOUT_AC SW2 SW1 LM3668 www.ti.com SNVS449O – JUNE 2007 – REVISED APRIL 2015 Typical Characteristics (continued) Typical Application Circuit (see Figure 46): VIN = 3.6 V, L = 2.2 µH, CIN = 10 µF, COUT = 22 µF (4), T A = 25°C , unless otherwise stated. Figure 19. Line Transient in Boost Mode (VOUT = 3.4 V, Load Figure 20. Line Transient in Buck-Boost Mode (VOUT = 3.4 V, = 500 mA) Load = 500 mA) Figure 22. Load Transient in Boost Operation (Forced PWM Figure 21. Load Transient in Buck Mode (Forced PWM Mode) VIN = 2.7 V, VOUT = 3.4 V, Load = 0 to 500 mA Mode) VIN = 4.2 V, VOUT = 3.4 V, Load = 0 to 500 mA Figure 23. Load Transient in Buck-Boost Operation (Forced Figure 24. Load Transient in Buck Mode (Forced PWM PWM Mode) VIN = 3.44 V, VOUT = 3.4 V, Load = 0 to 500 mA Mode) VIN = 4.2 V, VOUT = 3 V, Load = 0 to 500 mA Copyright © 2007–2015, Texas Instruments Incorporated Submit Documentation Feedback 9 Product Folder Links: LM3668 |
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