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TPS62421 Datasheet(PDF) 11 Page - Texas Instruments |
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TPS62421 Datasheet(HTML) 11 Page - Texas Instruments |
11 / 37 page 0.05 0.1 0.15 0.2 0.25 0.3 2.5 3 3.5 4 4.5 5 5.5 6 V -V IN 85°C 25°C -40°C IOUT =10mA VOUT =1.8V20mV/Div Inductorcurrent100mA/Div PowerSaveMode Mode/Data=low Timebase-10 s/Div m IOUT =10mA VOUT =1.8V20mV/Div Inductorcurrent100mA/Div Mode/Data=high, forcedPWMMODEoperation Timebase-400ns/Div VOUT =1.8V IOUT =400mA VOUT ripple20mV/Div Inductorcurrent200mA/Div PWMMODEOPERATION Timebase-200ns/Div TPS62420, TPS62421 www.ti.com SLVS676C – JUNE 2006 – REVISED JUNE 2010 LIGHT LOAD OUTPUT VOLTAGE RIPPLE RDSON NMOS vs VIN IN POWER SAVE MODE Figure 13. Figure 14. OUTPUT VOLTAGE RIPPLE OUTPUT VOLTAGE RIPPLE IN FORCED PWM MODE IN PWM MODE Figure 15. Figure 16. Copyright © 2006–2010, Texas Instruments Incorporated Submit Documentation Feedback 11 Product Folder Link(s): TPS62420 TPS62421 |
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