TPS54225

采用 HTSSOP 封装的 4.5V 至 18V 输入、2A 同步降压转换器; • D-CAP2™ Mode Enables Fast Transient Response\n• Low Output Ripple and Allows Ceramic Output Capacitor\n• Wide VCC Input Voltage Range: 4.5 V to 18 V\n• Wide VIN Input Voltage Range: 2 V to 18 V\n• Output Voltage Range: 0.76 V to 5.5 V\n• Highly Efficient Integrated FET’s Optimized for Lower Duty Cycle Applications – 160 mΩ (High Side) and 110 mΩ (Low Side)\n• High Efficiency, less than 10 µA at shutdown\n• High Initial Bandgap Reference Accuracy\n• Adjustable Soft Start\n• Pre-Biased Soft Start\n• 700-kHz Switching Frequency (fSW)\n• Cycle-By-Cycle Overcurrent Limit\n• Power Good Output\n• APPLICATIONS \n• Wide Range of Applications for Low Voltage System \n• Digital TV Power Supply\n• High Definition Blu-ray Disc™ Players\n• Networking Home Terminal\n• Digital Set Top Box (STB)\n \n \n D-CAP2, PowerPAD are trademarks of Texas Instruments. Blu-ray Disc is a trademark of Blu-ray Disc Association.;

The TPS54225 is an adaptive on-time D-CAP2™ mode synchronous buck converter. The TPS54225 enables system designers to complete the suite of various end equipment’s power bus regulators with a cost effective, low component count, low standby current solution. The main control loop for the TPS54225 uses the D-CAP2™ mode control which provides a fast transient response with no external compensation components. The TPS54225 also has a proprietary circuit that enables the device to adapt to both low equivalent series resistance (ESR) output capacitors, such as POSCAP or SP-CAP, and ultra-low ESR ceramic capacitors. The device operates from 4.5-V to 18-V VCC input , and from 2-V to 18-V VIN input power supply voltage. The output voltage can be programmed between 0.76 V and 5.5 V. The device also features an adjustable slow start time and a power good function. The TPS54225 is available in the 14 pin HTSSOP package, and designed to operate from –40°C to 85°C.

TPS54225

4.5V to 18V Input, 2-A Synchronous Step-Down SWIFTTM Converter

TPS54225-Q1

具有 DCAP2 模式的汽车类 4.5V 至 18V、2A 同步降压转换器; • 符合汽车应用要求\n• D-CAP2 模式支持快速瞬态响应\n• 低输出纹波，支持陶瓷输出电容器\n• 宽 VCC 输入电压范围：4.5V 至 18V\n• 宽 VIN 输入电压范围： 2 V 至 18 V\n• 输出电压范围： 0.76V 至 5.5V\n• 高效集成 FET，针对 更低占空比应用进行优化 - 160 mΩ（高侧）和 110 mΩ（低侧）\n• 关断时的高效率，流耗不足 10 μA\n• 初始带隙参考的高精度\n• 可调软启动\n• 预偏置软启动\n• 700kHz 开关频率 (fSW)\n• 逐周期过流限制\n• 电源良好输出;

TPS54225-Q1 是一款自适应接通时间 D-CAP2™ 模式同步降压型转换器。 TPS54225-Q1 可帮助系统设计人员通过低成本、低组件数量的低待机电流解决方案来完成各种终端设备的电源总线调节器集。 TPS54225-Q1 的主控制环路采用 D-CAP2™ 模式控制，无需外部补偿组件便可实现极快的瞬态响应。此外，TPS54225-Q1 的专有电路还有助于该器件适应诸如 POSCAP 或 SP-CAP 等低等效串联电阻 (ESR) 输出电容器以及超低 ESR 陶瓷电容器。 该器件可在 4.5 V 至 18 V VCC 输入、及 2-V 至 18-V VIN 输入电源电压范围内工作。 输出电压可在 0.76 V 与 5.5 V 之间进行编程。此外，该器件还支持可调慢启动时间与电源良好功能。 TPS54225-Q1 采用 14 引脚 HTSSOP 封装，设计用于在 –40°C 至 85°C 的范围内工作。

TPS54225_15

4.5V to 18V Input, 2-A Synchronous Step-Down SWIFTTM Converter

TPS54225PWP

4.5V to 18V Input, 2-A Synchronous Step-Down SWIFTTM Converter

TPS54225PWPR

4.5V to 18V Input, 2-A Synchronous Step-Down SWIFTTM Converter

TPS54225-Q1

4.5V to 18V Input, 2-A Synchronous Step-Down SWIFTTM Converter

TPS54225-Q1_15

4.5V to 18V Input, 2-A Synchronous Step-Down SWIFTTM Converter

TPS54225TPWPRQ1

4.5V to 18V Input, 2-A Synchronous Step-Down SWIFTTM Converter

TPS54225PWP

Package：14-TSSOP（0.173"，4.40mm 宽）裸露焊盘；包装：卷带（TR）剪切带（CT）Digi-Reel® 得捷定制卷带 功能：降压 类别：集成电路（IC） 稳压器 - DC-DC 开关稳压器 描述：IC REG BUCK ADJ 2A 14HTSSOP