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TPS62263 - 采用 2x2mm SON/TSOT23 封装的 2.25MHz 600mA 降压转换器
TPS62263是TI德州仪器公司的一款转换器(集成开关)产品,TPS62263是采用 2x2mm SON/TSOT23 封装的 2.25MHz 600mA 降压转换器,本站介绍了TPS62263的封装应用图解、特点和优点、功能等,并给出了与TPS62263相关的TI元器件型号供参考。
TPS62263 - 采用 2x2mm SON/TSOT23 封装的 2.25MHz 600mA 降压转换器 - 转换器(集成开关) - DC/DC开关稳压器 - 德州仪器
- High Efficiency Step-Down Converter
- Output Current up to 600 mA
- 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%
- Typical 15-μA Quiescent Current
- 100% Duty Cycle for Lowest Dropout
- Voltage Positioning at Light Loads
- Available in a SOT (5) and 2-mm × 2-mm × 0.8-mm WSON (6) Package
- Allows <1-mm Solution Height
- Mobile Phones, Smart Phones
- Low Power DSP Supply
- Portable Media Players
- Point-of-Load (POL) Applications
The TPS6226x device is a highly efficient synchronous step-down DC/DC converter. The TPS6226x provides up to 600-mA output current from a single Li-Ion cell, and is ideal for battery-powered applications such as mobile phones and other portable equipment.
With an wide input voltage range of 2 V to 6 V, the device also supports 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 pulse-width modulation (PWM) mode by pulling the MODE pin high. In the shutdown mode, the current consumption is reduced to less than 1 μA. The TPS6226x allows the use of small inductors and capacitors to achieve a small solution size.
The TPS6226x operates over a free air temperature range of –40°C to 85°C. It is available in a 5-pin SOT and a 6-pin 2-mm × 2-mm WSON package.
| PART NUMBER | PACKAGE | BODY SIZE (NOM) |
|---|---|---|
| TPS62260 | WSON (6) | 2.00 mm × 2.00 mm |
| SOT (5) | 2.90 mm × 1.60 mm | |
| TPS62261 | WSON (6) | 2.00 mm × 2.00 mm |
| TPS62262 | WSON (6) | 2.00 mm × 2.00 mm |
| SOT (5) | 2.90 mm × 1.60 mm | |
| TPS62263 | WSON (6) | 2.00 mm × 2.00 mm |
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