TPS51125A
- Wide Input Voltage Range: 5.5 V to 28 V
- Output Voltage Range: 2 V to 5.5 V
- Built-in 100-mA 5-V/3.3-V LDO with Switches
- Built-in 1% 2-V Reference Output
- With/Without Out-of-Audio™ Mode Selectable Light Load and PWM only Operation
- Internal 1.6-ms Voltage Servo Softstart
- Adaptive On-Time Control Architecture with Four Selectable Frequency Setting
- 4500 ppm/°C RDS(on) Current Sensing
- Built-In Output Discharge
- Power Good Output
- Built-in OVP/UVP/OCP
- Thermal Shutdown (Non-latch)
- QFN24 (RGE)
The TPS51125A is a cost effective, dual-synchronous buck controller targeted for notebook system power supply solutions. It provides 5-V and 3.3-V LDOs and requires few external components. The 270-kHz VCLK output can be used to drive an external charge pump, generating gate drive voltage for the load switches without reducing the main converter’s efficiency. The TPS51125A supports high efficiency, fast transient response and provides a combined power-good signal. Out-of-Audio mode light-load operation enables low acoustic noise at much higher efficiency than conventional forced PWM operation. Adaptive on-time D-CAP control provides convenient and efficient operation. The part operates with supply input voltages ranging from 5.5 V to 28 V and supports output voltages from 2 V to 5.5 V. The TPS51125A is available in a 24-pin QFN package and is specified from -40°C to 85°C ambient temperature range.
技术文档
类型 | 标题 | 下载最新的英语版本 | 日期 | |||
---|---|---|---|---|---|---|
* | 数据表 | Dual-Synchronous, Step-Down Controller With OOA Operation and 100-mA LDOs 数据表 (Rev. F) | 2012年 9月 10日 | |||
用户指南 | TPS51125A 降压控制器评估模块用户指南 (Rev. A) | PDF | HTML | 英语版 (Rev.A) | PDF | HTML | 2022年 7月 12日 | |
应用手册 | Intel Atom Z5xx [Menlow] 参考设计 | 2010年 10月 8日 |
设计和开发
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)。
TPS51125 Unencrypted PSpice Transient Model Package (Rev. B)
封装 | 引脚 | CAD 符号、封装和 3D 模型 |
---|---|---|
VQFN (RGE) | 24 | Ultra Librarian |
订购和质量
- RoHS
- REACH
- 器件标识
- 引脚镀层/焊球材料
- MSL 等级/回流焊峰值温度
- MTBF/时基故障估算
- 材料成分
- 鉴定摘要
- 持续可靠性监测
- 制造厂地点
- 封装厂地点