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.

• 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

• Vin (Min) (V)
• 2
• Vin (Max) (V)
• 6
• Vout (Min) (V)
• 1.8
• Vout (Max) (V)
• 1.8
• Iout (Max) (A)
• 0.6
• Iq (Typ) (uA)
• 15
• Switching frequency (Min) (kHz)
• 2250
• Switching frequency (Max) (kHz)
• 2250
• Features
• Enable, Forced PWM, Light Load Efficiency, Synchronous Rectification
• Rating
• Automotive
• Regulated outputs (#)
• 1
• Control mode
• Voltage Mode
• Duty cycle (Max) (%)
• 100

TPS62261-Q1的完整型号有：TPS62261TDRVRQ1，以下是这些产品的关键参数及官网采购报价：

TPS62261TDRVRQ1，工作温度：-40 to 105，封装：WSON (DRV)-6，包装数量MPQ：3000个，MSL 等级/回流焊峰值温度：Level-2-260C-1 YEAR，引脚镀层/焊球材料：NIPDAU，TI官网TPS62261TDRVRQ1的批量USD价格：.575（1000+）

TPS62261 Unencrypted PSpice Transient Model Package (Rev. A)

PSpice for TI 可提供帮助评估模拟电路功能的设计和仿真环境。此功能齐全的设计和仿真套件使用 Cadence 的模拟分析引擎。PSpice for TI 可免费使用，包括业内超大的模型库之一，涵盖我们的模拟和电源产品系列以及精选的模拟行为模型。

借助?PSpice for TI 的设计和仿真环境及其内置的模型库，您可对复杂的混合信号设计进行仿真。创建完整的终端设备设计和原型解决方案，然后再进行布局和制造，可缩短产品上市时间并降低开发成本。

在?PSpice for TI 设计和仿真工具中，您可以搜索 TI (...)

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