PTH05050Y - 用于 DDR/QDR 存储器的 6A 输出 5V 输入的总线终端电源模块

PTH05050Y是TI德州仪器公司的一款无产品，PTH05050Y是用于 DDR/QDR 存储器的 6A 输出 5V 输入的总线终端电源模块，本站介绍了PTH05050Y的封装应用图解、特点和优点、功能等，并给出了与PTH05050Y相关的TI元器件型号供参考。

PTH05050Y - 用于 DDR/QDR 存储器的 6A 输出 5V 输入的总线终端电源模块 - 无 - DDR存储器电源终端 - 德州仪器

产品描述

The PTHxx050Y are a series of ready-to-use switching regulator modules from Texas Instruments designed specifically for bus termination in DDR and QDR memory applications. Operating from either a 3.3-V, 5-V or 12-V input, the modules generate a VTT output that will source or sink up to 6 A of current (8 A transient) to accurately track their VREF input. VTT is the required bus termination supply voltage, and VREF is the reference voltage for the memory and chipset bus receiver comparators. VREF is usually set to half the VDDQ power supply voltage.

Both the PTHxx050Y series employs an actively switched synchronous rectifier output to provide state-of-the-art step-down switching conversion. The products are small in size (0.87 in × 0.5 in), and are an ideal choice where space, performance, and high efficiency are desired, along with the convenience of a ready-to-use module.

Operating features include an on/off inhibit and output over-current protection (source mode only). The on/off inhibit feature allows the VTT bus to be turned off to save power in a standby mode of operation.

Package options include both through-hole and surface mount configurations.

产品特性

VTT Bus Termination Output (Output Tracks the System VREF)
6 A Output Current (8 A Peak)
3.3-V, 5-V or 12-V Input Voltage
DDR and QDR Compatible
On/Off Inhibit (for VTT Standby)
Under-Voltage Lockout
Operating Temp: –40 to +85°C
Efficiencies up to 88 %
Output Overcurrent Protection (Non-Latching, Auto-Reset)
50 W/in³ Power Density
Safety Agency Approvals: UL/cUL60950, EN60950, VDE
Point-of-Load Alliance (POLA™) Compatible

POLA is a trademark of Texas Instruments.

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