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TPS60141PWP 데이터시트(PDF) 1 Page - Texas Instruments |
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TPS60141PWP 데이터시트(HTML) 1 Page - Texas Instruments |
1 / 25 page 30 40 50 60 70 80 90 IO − Output Current − mA VI = 2.0 V 0.1 10 100 1000 1 VI = 2.4 V VI = 2.7 V IN OUT TPS60140 IN FB LBI LBO Low Battery Warning Output 5 V, 100 mA Co 10 µF R3 R1 R2 C2+ C2− C2 2.2 µF C1+ C1− C1 2.2 µF NC ENABLE PGND GND OFF/ON Ci 4.7 µF Input 1.8 V to 3.6 V Product Folder Sample & Buy Technical Documents Tools & Software Support & Community TPS60140, TPS60141 SLVS273A – FEBRUARY 2000 – REVISED NOVEMBER 2015 TPS6014x Low Power DC-DC Converter Regulated 5-V, 100-mA Charge Pump Voltage Tripler 1 Features 3 Description The TPS6014x step-up, regulated charge pumps 1 • Regulated 5 V ±4% Output Voltage generate a 5-V ±4% output voltage from a 1.8-V to • Up to 100-mA Output Current 3.6-V input voltage range. The devices are typically • 1.8-V to 3.6-V Input Voltage Range powered by two alkaline, NiCd, or NiMH battery cells and provide an output current of minimum 100 mA • 65-µA Quiescent Supply Current from a 2-V input. Only four external capacitors are • 0.05-µA Shutdown Current, Battery Is Isolated needed to build a complete voltage tripler charge From Load in Shutdown pump. • Integrated Low-Battery or Power-Good Indicator The devices regulate the output by using the pulse- • Low-Output Voltage Ripple Over Complete Output skip topology. The controller is optimized for lowest Current Range output voltage ripple over the complete output current • Easy-to-Design With Low-EMI Power Supply range. The output peak current and therefore the output voltage ripple are drastically reduced Because No Inductors Are Required compared to a conventional pulse-skip topology by • Evaluation Module Available (TPS60140EVM-144) regulating the charge pump output resistance. At light • Available in a 6.5-mm × 4.4-mm 20-Pin HTSSOP loads the maximum output resistance is limited to Package assure a low quiescent current. The TPS60140 includes a low-battery comparator 2 Applications that issues a warning if the battery voltage drops • Replacement of DC-DC Converters With Inductors below a user-adjustable threshold voltage. The in Battery-Powered Applications: TPS60141 features a power-good output that goes active when the output voltage reaches 90% of its – Two Battery Cells to 5-V Conversions nominal value. – Portable Instruments – Miniature Equipment Device Information(1) – Backup-Battery Boost Converters PART NUMBER PACKAGE BODY SIZE (NOM) TPS6014x HTSSOP (20) 6.50 mm × 4.40 mm – Medical Instruments – 5-V Smart Card Supplies (1) For all available packages, see the orderable addendum at the end of the data sheet. Typical Application Schematic Efficiency vs Output Current 1 An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications, intellectual property matters and other important disclaimers. PRODUCTION DATA. |
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