TPS51125RGER原装 降压稳压器
具有 100mA LDO 和 Out-of-Audio? 的 4.5V 至 28V 双通道同步降压控制器
TPS51125RGER原装 降压稳压器 的技术参数：
制造商 | Texas Instruments |
产品种类 | 开关控制器 |
RoHS | 是 |
输出端数量 | 1 Output |
开关频率 | 245 kHz, 305 kHz |
输入电压 | 5.5 V to 28 V |
输出电压 | - 0.8 V to 34 V |
输出电流 | 175 mA |
工作温度 | - 40 C to + 85 C |
安装风格 | SMD/SMT |
封装 / 箱体 | VQFN-24 |
输出功率 | 1.85 W |
系列 | TPS51125 |
湿度敏感性 | Yes |
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TPS51125RGER原装 降压稳压器 的描述：
The TPS51125 is a cost-effective, dual-synchronous buck controller targeted for notebook system power supply solutions. The device 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, thus generating gate drive voltage for the load switches without reducing the efficiency of the main converter. The TPS51125 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 TPS51125 is available in a 24-pin QFN package and is specified from –40°C to 85°C ambient temperature range.
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