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  • 制造厂商:TI
  • 产品类别:电源管理
  • 技术类目:直流/直流开关稳压器 - 降压稳压器
  • 功能描述:采用 SOT-23 封装的 1.875V 输出、300mA、效率为 95% 的降压转换器
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The TPS6220x devices are a family of high-efficiency synchronous step-down converters ideally suited for portable systems powered by 1-cell Li-Ion or 3-cell NiMH/NiCd batteries. The devices are also suitable to operate from a standard 3.3-V or 5-V voltage rail.

With an output voltage range of 6 V down to 0.7 V and up to 300 mA output current, the devices are ideal to power low voltage DSPs and processors used in PDAs, pocket PCs, and smart phones. Under nominal load current, the devices operate with a fixed switching frequency of typically 1 MHz. At light load currents, the part enters the power save mode operation; the switching frequency is reduced and the quiescent current is typically only 15 µA; therefore, it achieves the highest efficiency over the entire load current range. The TPS6220x needs only three small external components. Together with the SOT23 package, a minimum system solution size is achieved. An advanced fast response voltage mode control scheme achieves superior line and load regulation with small ceramic input and output capacitors.

  • High-Efficiency Synchronous Step-Down Converter With up to 95% Efficiency
  • 2.5-V to 6-V Input Voltage Range
  • Adjustable Output Voltage Range From 0.7 V to VI
  • Fixed Output Voltage Options Available
  • Up to 300-mA Output Current
  • 1-MHz Fixed-Frequency PWM Operation
  • Highest Efficiency Over Wide Load Current Range Due to Power Save Mode
  • 15-μA Typical Quiescent Current
  • Soft Start
  • 100% Duty Cycle Low-Dropout Operation
  • Dynamic Output-Voltage Positioning
  • Available in a 5-Pin SOT23 Package
  • Vin (Min) (V)
  • 2.5
  • Vin (Max) (V)
  • 6
  • Vout (Min) (V)
  • 1.875
  • Vout (Max) (V)
  • 1.875
  • Iout (Max) (A)
  • 0.3
  • Iq (Typ) (uA)
  • 15
  • Switching frequency (Min) (kHz)
  • 650
  • Switching frequency (Max) (kHz)
  • 1500
  • Features
  • Enable, Light Load Efficiency, Synchronous Rectification
  • Rating
  • Catalog
  • Regulated outputs (#)
  • 1
  • Control mode
  • Voltage Mode
  • Duty cycle (Max) (%)
  • 100


TPS62208DBVR,工作温度:-40 to 85,封装:SOT-23 (DBV)-5,包装数量MPQ:3000个,MSL 等级/回流焊峰值温度:Level-1-260C-UNLIM,引脚镀层/焊球材料:NIPDAU,TI官网TPS62208DBVR的批量USD价格:.416(1000+)

TPS62208DBVT,工作温度:-40 to 85,封装:SOT-23 (DBV)-5,包装数量MPQ:250个,MSL 等级/回流焊峰值温度:Level-1-260C-UNLIM,引脚镀层/焊球材料:NIPDAU,TI官网TPS62208DBVT的批量USD价格:.499(1000+)


TPS62208 Unencrypted PSpice Transient Model Package (Rev. A)

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