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TPS62263-Q1

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具有 2.5V 固定輸出電壓的汽車類 2V 至 6V、2.25MHz 固定頻率 600mA 降壓轉(zhuǎn)換器

產(chǎn)品詳情

Rating Automotive Topology Buck Iout (max) (A) 0.6 Vin (max) (V) 6 Vin (min) (V) 2 Vout (max) (V) 2.5 Vout (min) (V) 2.5 Features Enable, Forced PWM, Light Load Efficiency, Light load efficiency, Synchronous Rectification Control mode Voltage mode Operating temperature range (°C) -40 to 105 Iq (typ) (A) 0.000015 Duty cycle (max) (%) 100
Rating Automotive Topology Buck Iout (max) (A) 0.6 Vin (max) (V) 6 Vin (min) (V) 2 Vout (max) (V) 2.5 Vout (min) (V) 2.5 Features Enable, Forced PWM, Light Load Efficiency, Light load efficiency, Synchronous Rectification Control mode Voltage mode Operating temperature range (°C) -40 to 105 Iq (typ) (A) 0.000015 Duty cycle (max) (%) 100
WSON (DRV) 6 4 mm2 2 x 2
  • Qualified for Automotive Applications
  • High-Efficiency Step-Down Converter
  • Output Current up to 600 mA
  • Wide VIN Range from 2-V to 6-V for Li-Ion Batteries with
    Extended Voltage Range
  • 2.25-MHz Fixed Frequency Operation
  • Power Save Mode at Light Load Currents
  • Output Voltage Accuracy in PWM Mode ±1.5%
  • 15-μA (Typ) Quiescent Current
  • 100% Duty Cycle for Lowest Dropout
  • Soft Start
  • Voltage Positioning at Light Loads
  • Available in a Small 2×2×0,8-mm SON Package
  • Allows <1-mm Solution Height
  • APPLICATIONS
    • PDAs, Pocket PCs
    • Low Power DSP Supply
    • Portable Media Players
    • POL applications
  • Qualified for Automotive Applications
  • High-Efficiency Step-Down Converter
  • Output Current up to 600 mA
  • Wide VIN Range from 2-V to 6-V for Li-Ion Batteries with
    Extended Voltage Range
  • 2.25-MHz Fixed Frequency Operation
  • Power Save Mode at Light Load Currents
  • Output Voltage Accuracy in PWM Mode ±1.5%
  • 15-μA (Typ) Quiescent Current
  • 100% Duty Cycle for Lowest Dropout
  • Soft Start
  • Voltage Positioning at Light Loads
  • Available in a Small 2×2×0,8-mm SON Package
  • Allows <1-mm Solution Height
  • APPLICATIONS
    • PDAs, Pocket PCs
    • Low Power DSP Supply
    • Portable Media Players
    • POL applications

The TPS6226x devices are high-efficiency synchronous step-down dc-dc converters optimized for battery powered applications. It provides up to 600-mA output current from a single Li-Ion cell and is ideal to power mobile phones and other portable applications.

With an wide input voltage range of 2 V to 6 V, the device supports applications powered by Li-Ion batteries with extended voltage range, two and three cell alkaline batteries, 3.3-V and 5-V input voltage rails.

The TPS6226x operates at 2.25-MHz fixed switching frequency and enters Power Save Mode operation at light load currents to maintain high efficiency over the entire load current range.

The Power Save Mode is optimized for low output voltage ripple. For low noise applications, the device can be forced into fixed frequency PWM mode by pulling the MODE pin high. In the shutdown mode, the current consumption is reduced to less than 1 µA. TPS6226x allows the use of small inductors and capacitors to achieve a small solution size.

The TPS6226x is available in a very small 2×2mm 6-pin SON package.

The TPS6226x devices are high-efficiency synchronous step-down dc-dc converters optimized for battery powered applications. It provides up to 600-mA output current from a single Li-Ion cell and is ideal to power mobile phones and other portable applications.

With an wide input voltage range of 2 V to 6 V, the device supports applications powered by Li-Ion batteries with extended voltage range, two and three cell alkaline batteries, 3.3-V and 5-V input voltage rails.

The TPS6226x operates at 2.25-MHz fixed switching frequency and enters Power Save Mode operation at light load currents to maintain high efficiency over the entire load current range.

The Power Save Mode is optimized for low output voltage ripple. For low noise applications, the device can be forced into fixed frequency PWM mode by pulling the MODE pin high. In the shutdown mode, the current consumption is reduced to less than 1 µA. TPS6226x allows the use of small inductors and capacitors to achieve a small solution size.

The TPS6226x is available in a very small 2×2mm 6-pin SON package.
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* 數(shù)據(jù)表 TPS6226x-Q1 2.25-MHz 600-mA Step-Down Converter 數(shù)據(jù)表 (Rev. C) 2012年 7月 23日
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