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TPS610981 Datasheet(PDF) 3 Page - Texas Instruments

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No. de pieza TPS610981
Descripción Electrónicos  TPS61098x Ultra-Low Quiescent Current Synchronous Boost with Integrated LDO/Load Switch
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Fabricante Electrónico  TI1 [Texas Instruments]
Página de inicio  http://www.ti.com
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TPS61098, TPS610981
TPS610982, TPS610985, TPS610986, TPS610987
www.ti.com
SLVS873D – JUNE 2015 – REVISED APRIL 2016
Product Folder Links: TPS61098 TPS610981 TPS610982 TPS610985 TPS610986 TPS610987
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Copyright © 2015–2016, Texas Instruments Incorporated
Changes from Revision A (July 2015) to Revision B
Page
Added devices TPS610985DSE and TPS610986DSE to the Device Comparison Table ..................................................... 4
Added device TPS610982 to the Electrical Characteristics ................................................................................................... 6
Added Figure 3 and Figure 4.................................................................................................................................................. 8
Added Figure 11 and Figure 12.............................................................................................................................................. 8
Added Figure 22 and Figure 23............................................................................................................................................ 10
Added Figure 32 and Figure 33............................................................................................................................................ 12
Added Figure 40 and Figure 41............................................................................................................................................ 13
Added Figure 45 and Figure 46............................................................................................................................................ 14
Added Figure 51 and Figure 52............................................................................................................................................ 15
Added text to the Overview section: "The TPS610982 is an exception..."........................................................................... 17
Added text to the Low Power Mode Section: "The TPS610982 is an exception..." ............................................................. 21
Added Figure 88, Figure 89, Figure 90 and Figure 92 ......................................................................................................... 33
Added Figure 94 and Figure 95............................................................................................................................................ 33
Changes from Original (June 2015) to Revision A
Page
Changed text in the Description From: "can achieve 80% efficiency" To: " can achieve up to 88% efficiency".................... 1
Changed "LDO / LS CRTL" with LDO / LS CTRL" and 4.7 µF To 4.7 µH in the Simplified Schematic................................. 1
Changed VIN = 1.2 V To VIN = 1.5 V and VIN = 2 V to VIN = 2.5 V in Figure 19 .................................................................. 10
Changed "Boost Efficiency" To: "Boost Output Voltage" in Figure 28 To Figure 31............................................................ 11
Changed text "below the programmed threshold," To: "below the programmed threshold with a hysteresis," in
Thermal Shutdown .............................................................................................................................................................. 20
Changed text "unstable operation at IC temperatures at the overtemperature threshold." To: "unstable operation at
the overtemperature threshold." in Thermal Shutdown ....................................................................................................... 20
Changed text "sense or transfer signals" To: sense or transmit signals" in VMAIN to Power MCU and VSUB to
Power Subsystem ................................................................................................................................................................ 22
Changed 4.7 µF To 4.7 µH in Figure 57 .............................................................................................................................. 22
Changed text "TPS610981 enters into sleep mode" To: "TPS610981 enters into Low Power mode" in Control
Sequence ............................................................................................................................................................................. 25
Changed 4.7 µF To 4.7 µH in Figure 81 .............................................................................................................................. 30
Changed text "a boost converter and an LDO are needed: To: "a boost converter with an LDO is needed" in Figure 85 . 32
Changed 4.7 µF To 4.7 µH in Figure 85 .............................................................................................................................. 32


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