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LM2731XMF/NOPB Datasheet(PDF) 21 Page - Texas Instruments

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Part # LM2731XMF/NOPB
Description   0.6/1.6-MHz Boost Converters With 22-V Internal FET Switch in SOT-23
PDF  29 Pages
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Manufacturer  TI [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI - Texas Instruments

LM2731XMF/NOPB Datasheet(HTML) 21 Page - Texas Instruments

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LM2731
www.ti.com
SNVS217G – MAY 2004 – REVISED SEPTEMBER 2015
10.3 Thermal Considerations
At higher duty cycles, the increased ON-time of the FET means the maximum output current will be determined
by power dissipation within the LM2731 FET switch. The switch power dissipation from ON-state conduction is
calculated by:
P(SW) = DC × IIND(AVE)
2 × R
DS(ON)
(11)
There will be some switching losses as well, so some derating needs to be applied when calculating IC power
dissipation.
Copyright © 2004–2015, Texas Instruments Incorporated
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