LM2772
- Low-Noise Fixed Frequency Operation
- 1.2V Output Voltage
- 3% Output Voltage Regulation
- Li-Ion (3.6V) to 1.2V with 80% Efficiency
- Very Low Output Ripple: 8mV @ 150mA
- Output Currents up to 150mA
- 2.7V to 5.5V Input Voltage Range
- Shutdown Disconnects Load from VIN
- 1.1MHz Switching Frequency
- No Inductors…Small Solution Size
- Short Circuit and Thermal Protection
- WSON-10 Package (3mm × 3mm × 0.8mm)
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The LM2772 is a switched capacitor step-down regulator that produces a 1.2V output. It is capable of supplying loads up to 150mA with 3% output voltage regulation over line, load, and temperature. The LM2772 operates with an input voltage from 3.0V to 5.5V, accommodating 1-cell Li-Ion batteries and chargers.
The LM2772 utilizes a highly efficient regulated multi-gain charge pump. Pre-regulated 1.1MHz fixed-frequency switching results in very low ripple and noise on both the input and the output. When output currents are low, the part automatically switches to a low-ripple PFM regulation mode to maintain high efficiency over the entire load range.
The LM2772 is available in TI’s WSON-10 Package (WSON-10).
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 | LM2772 Low-Ripple Switched Capacitor Step-Down Regulator 数据表 (Rev. B) | 2013-5-1 | |||
| 选择指南 | 电源管理指南 2018 | 2018-7-31 | ||||
| 白皮书 | The Forgotten Converter | 2015-6-15 |
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）。
| 封装 | 引脚 | CAD 符号、封装和 3D 模型 |
|---|---|---|
| WSON (DSC) | 10 | Ultra Librarian |