PTB48560A - 具有自动跟踪功能的 30W、3.6 V 至 5.5 V 可调节 DC/DC 转换器

PTB48560A是TI德州仪器公司的一款隔离式模块产品，PTB48560A是具有自动跟踪功能的 30W、3.6 V 至 5.5 V 可调节 DC/DC 转换器，本站介绍了PTB48560A的封装应用图解、特点和优点、功能等，并给出了与PTB48560A相关的TI元器件型号供参考。

PTB48560A - 具有自动跟踪功能的 30W、3.6 V 至 5.5 V 可调节 DC/DC 转换器 - 隔离式模块 - 电源模块 - 德州仪器

产品描述

The PTB48560x is a series of 30-W rated isolated dc/dc converters, designed to operate from a standard -48-V telecom central office (CO) supply. Housed in a 1×2 package, each model has a wide-adjust output voltage that can be set to one of the common intermediate bus voltages of 3.3 V, 5 V, or 12 V.

The PTB48560 series incorporates Auto-Track™, a feature that simplifies the power-up sequencing of multiple power modules and operates from the same intermediate bus. During a power-up cycle, modules with this feature have the capability of following a common ramp voltage applied to an input called Track. The PTB48560 series is specifically designed to control the Track voltage of any number of nonisolated downstream modules powered from its output. This ensures that the outputs of the downstream modules all rise simultaneously during power up. The PTB48560B (3.3 V) has an additional sequenced output, VO Seq, which also rises with the Track voltage. This allows the VO Seq output to power up simultaneously with the outputs from other power modules under the control of Auto-Track.

Whether used to facilitate power-up sequencing, or operated as a stand-alone module, the PTB48560 series includes many other features expected of high-performance dc/dc converter modules. Precise output voltage regulation is ensured with a differential remote sense. Operational features include an input undervoltage lockout (UVLO) and a dual-logic output enable control. Overcurrent and overtemperature protection ensure survival against load faults.

Typical applications include distributed power architectures in both telecom and computing environments, particularly complex digital systems requiring power sequencing of multiple power supply rails.

产品特性

Input Voltage: 36 V to 75 V
30-W Total Output Power
Output Voltages: 3.3 V, 5 V, and 12 V
Wide-Output Adjust/Trim
Up To 88% Efficiency
Overcurrent Protection
Overtemperature Shutdown
Undervoltage Lockout
Input Overvoltage Protection
Auto-Track™ Power-Up Sequencing (Includes Sequenced Output with PTB48560B)
Smart-Sense Remote Sensing (PTB48560B)
Dual-Logic Enable Control
Space-Saving 1×2 Footprint
Surface Mount Package
1500-Vdc Isolation
Agency Approvals (Pending): UL/cUL 60950, EN 60950
APPLICATIONS
- Intermediate Bus Architectures
- Telecom, High-End Computing Platforms
- Multi-Rail Power Systems with Power-Up Sequencing

Auto-Track is a trademark of Texas Instruments.

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