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0.9Vin、3.3Vout ブースト コンバータ、バイパス スイッチ付 - 5nA シャットダウン電流、SOT-23

TPS61097-33 は新規設計での使用を推奨しません
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TPS61097A-33 アクティブ バイパス スイッチ搭載、5nA のシャットダウン電流、0.9Vin、3.3Vout の昇圧コンバータ This part offers improved robustness of startup circuitry at low VIN voltages and reduced input current variance during shutdown.

製品詳細

Rating Catalog Topology Boost Vin (max) (V) 5.5 Vin (min) (V) 0.9 Vout (max) (V) 3.3 Vout (min) (V) 3.3 Switch current limit (typ) (A) 0.35 Features Enable Operating temperature range (°C) -40 to 85 Iq (typ) (A) 0.000005 Duty cycle (max) (%) 100
Rating Catalog Topology Boost Vin (max) (V) 5.5 Vin (min) (V) 0.9 Vout (max) (V) 3.3 Vout (min) (V) 3.3 Switch current limit (typ) (A) 0.35 Features Enable Operating temperature range (°C) -40 to 85 Iq (typ) (A) 0.000005 Duty cycle (max) (%) 100
SOT-23 (DBV) 5 8.12 mm² (2.9 mm × 2.8 mm)
  • Up to 95% Efficiency at Typical Operating Conditions
  • Connection from Battery to Load via Bypass Switch in Shutdown Mode
  • Typical Shutdown Current Less Than 5 nA
  • Typical Quiescent Current Less Than 5 µA
  • Operating Input Voltage Range
    From 0.9 V to 5.5 V
  • Power-Save Mode for Improved Efficiency at Low Output Power
  • Overtemperature Protection
  • Small 2.8-mm × 2.9-mm 5-Pin SOT-23 Package (6-Pin for Adjustable)
  • APPLICATIONS
    • MSP430 Applications
    • All Single-Cell, Two-Cell, and Three-Cell Alkaline, NiCd, NiMH,
      or Single-Cell Li-Battery Powered Products
    • Personal Medical Products
    • Fuel Cell and Solar Cell Powered Products
    • PDAs
    • Mobile Applications
    • White LEDs

  • Up to 95% Efficiency at Typical Operating Conditions
  • Connection from Battery to Load via Bypass Switch in Shutdown Mode
  • Typical Shutdown Current Less Than 5 nA
  • Typical Quiescent Current Less Than 5 µA
  • Operating Input Voltage Range
    From 0.9 V to 5.5 V
  • Power-Save Mode for Improved Efficiency at Low Output Power
  • Overtemperature Protection
  • Small 2.8-mm × 2.9-mm 5-Pin SOT-23 Package (6-Pin for Adjustable)
  • APPLICATIONS
    • MSP430 Applications
    • All Single-Cell, Two-Cell, and Three-Cell Alkaline, NiCd, NiMH,
      or Single-Cell Li-Battery Powered Products
    • Personal Medical Products
    • Fuel Cell and Solar Cell Powered Products
    • PDAs
    • Mobile Applications
    • White LEDs

The TPS61097 provide a power supply solution for products powered by either a single-cell, two-cell, or three-cell alkaline, NiCd, or NiMH, or one-cell Li-Ion or Li-polymer battery. They can also be used in fuel cell or solar cell powered devices where the capability of handling low input voltages is essential. Possible output currents depend on the input-to-output voltage ratio. The devices provides output currents up to 100 mA at a 3.3-V output while using a single-cell Li-Ion or Li-Polymer battery. The boost converter is based on a current-mode controller using synchronous rectification to obtain maximum efficiency. The maximum average input current is limited to a value of 350 mA. The output voltage can be programmed by an external resistor divider, or it is fixed internally on the chip. The converter can be disabled to minimize battery drain. During shutdown, the battery is connected to the load to enable battery backup of critical functions on the load. The fixed output device is packaged in a 5-pin SOT-23 package (DBV) measuring 2.8 mm × 2.9 mm.

The TPS61097 provide a power supply solution for products powered by either a single-cell, two-cell, or three-cell alkaline, NiCd, or NiMH, or one-cell Li-Ion or Li-polymer battery. They can also be used in fuel cell or solar cell powered devices where the capability of handling low input voltages is essential. Possible output currents depend on the input-to-output voltage ratio. The devices provides output currents up to 100 mA at a 3.3-V output while using a single-cell Li-Ion or Li-Polymer battery. The boost converter is based on a current-mode controller using synchronous rectification to obtain maximum efficiency. The maximum average input current is limited to a value of 350 mA. The output voltage can be programmed by an external resistor divider, or it is fixed internally on the chip. The converter can be disabled to minimize battery drain. During shutdown, the battery is connected to the load to enable battery backup of critical functions on the load. The fixed output device is packaged in a 5-pin SOT-23 package (DBV) measuring 2.8 mm × 2.9 mm.

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上位の文書 タイプ タイトル フォーマットオプション 最新の英語版をダウンロード 日付
* データシート Low Input Voltage Synchronous Boost Converter With Low-Quiescent Current データシート (Rev. C) 2012/01/06

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