TPS62243
- High Efficiency - Greater Than 94%
- Output Current up to 300 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%
- Adjustable Output Voltage from 0.6 V to VIN
- Typical 15-µA Quiescent Current
- 100% Duty Cycle for Lowest Dropout
- Available in a SOT (5) and 2-mm × 2-mm × 0.8-
mm WSON (6) Package - Allows <1-mm Solution Height
The TPS6224x device is a highly efficient synchronous step-down DC-DC converter. The device provides up to 300-mA output current from a single Li-Ion cell and is ideal for battery powered portable applications like 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, 3.3-V and 5-V input voltage rails.
The TPS6224x 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 shutdown mode, the current consumption is reduced to less than 1 µA. The TPS6224x allows the use of small inductors and capacitors to achieve a small solution size.
The TPS6224x operates over a free-air temperature range of –40°C to 85°C. The device is available in a 5-pin SOT and a 6-pin 2-mm × 2-mm WSON package.
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技术文档
| 顶层文档 | 类型 | 标题 | 格式选项 | 下载最新的英语版本 | 日期 | |
|---|---|---|---|---|---|---|
| * | 数据表 | TPS6224x 2.25-MHz 300-mA Step-Down Converter in 2 x 2 WSON and SOT Package 数据表 (Rev. C) | PDF | HTML | 2015-7-31 | ||
| 应用手册 | 降压转换器功率级的基本计算： | PDF | HTML | PDF | HTML | 2026-9-21 | ||
| 应用手册 | QFN 和 SON PCB 连接 (Rev. C) | PDF | HTML | 英语版 (Rev.C) | PDF | HTML | 2024-1-5 | |
| 应用手册 | Performing Accurate PFM Mode Efficiency Measurements (Rev. A) | 2018-12-11 | ||||
| 模拟设计期刊 | Understanding 100% mode in low-power DC/DC converters | 2018-6-22 | ||||
| 模拟设计期刊 | Achieving a clean startup by using a DC/DC converter with a precise enable-pin threshold | 2017-10-24 | ||||
| 应用手册 | Extending the Soft Start Time Without a Soft Start Pin (Rev. B) | 2017-6-15 | ||||
| 模拟设计期刊 | Testing tips for applying external power to supply outputs without an input voltage | 2016-10-24 | ||||
| 模拟设计期刊 | 实现降压型转换器出色 PCB 布局的五个步骤 | 英语版 | 2015-5-1 | |||
| 应用手册 | Understanding the Absolute Maximum Ratings of the SW Node (Rev. A) | 2012-1-13 | ||||
| 模拟设计期刊 | IQ：它是什么、不是什么以及如何使用 | 英语版 | 2011-8-17 | |||
| 应用手册 | Optimizing Transient Response of Internally Compensated DC-DC Converters (Rev. C) | PDF | HTML | 2008-1-28 |
设计与开发
如需其他信息或资源，请点击以下任一标题进入详情页面查看（如有）。
TPS62240EVM-229 — TPS62240 6V 输入、1.8V 输出、0.3A 评估模块
| 封装 | 引脚 | CAD 符号、封装和 3D 模型 |
|---|---|---|
| WSON (DRV) | 6 | Ultra Librarian |