TPS51020 - 双路 DDR 可选同步降压控制器

TPS51020是TI德州仪器公司的一款无产品，TPS51020是双路 DDR 可选同步降压控制器，本站介绍了TPS51020的封装应用图解、特点和优点、功能等，并给出了与TPS51020相关的TI元器件型号供参考。

TPS51020 - 双路 DDR 可选同步降压控制器 - 无 - DDR存储器电源终端 - 德州仪器

产品描述

The TPS51020 is a multi-function dual-synchronous step-down controller for notebook system power. The part is specifically designed for high performance, high efficiency applications where the loss associated with a current sense resistor is unacceptable. The TPS51020 utilizes feed forward voltage mode control to attain high efficiency without sacrificing line response. Efficiency at light load conditions can be maintained high as well by incorporating autoskip operation. A selectable, Suspend to RAM (STR) supported, DDR option provides a one chip solution for all switching applications from 5-V/3.3-V supply to a complete DDR termination solution.

产品特性

Wide Input Voltage Range: 4.5-V to 28-V
Selectable Dual and DDR Modes
Selectable Fixed Frequency Voltage Mode
Advanced Power Good Logic Monitors both Channels
Selectable Autoskip Mode
Integrated Boot Strap Diodes
180° Phase Shift Between Channels
Integrated 5-V, 60-mA Regulator
Input Feedforward Control
1% Internal 0.85-V Reference
RDS(on) Overcurrent Detection (4200 ppm/°C)
Integrated OVP, UVP and Power Good Timers
30-pin TSSOP Package
APPLICATIONS
- Notebook Computers System Bus and I/O
- DDR I or DDR II Termination

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