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| 型号： | PTB48560BAS |
| 厂商： | Texas Instruments |
| 文件页数： | 1/29页 |
| 文件大小： | 0K |
| 描述： | CONV DC/DC 3.3V 8A SMD 11DIP |
| 标准包装： | 12 |
| 系列： | PTB48560 |
| 类型： | 隔离 |
| 输出数： | 1 |
| 电压 - 输入（最小）： | 36V |
| 电压 - 输入（最大）： | 75V |
| Voltage - Output 1： | 1.8 ~ 3.6 V |
| 电流 - 输出（最大）： | 8A |
| 电源（瓦） - 制造商系列： | 30W |
| 电压 - 隔离： | 1.5kV（1500V） |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 11-DIP SMD 模块 |
| 尺寸/尺寸： | 2.09" L x 1.09" W x 0.39" H（53.0mm x 27.6mm x 10.0mm） |
| 包装： | 托盘 |
| 工作温度： | -40°C ~ 85°C |
| 效率： | 82% |
| 电源（瓦特）- 最大： | 30W |
| 产品目录页面： | 2703 (CN2011-ZH PDF) |
| 其它名称： | 296-20342 PTB48560BAS-ND |
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www.ti.com
FEATURES
PTB48560A, PTB48560B
PTB48560C
SLTS236A – MARCH 2005 – REVISED OCTOBER 2005
30-W, 48-V INPUT DC/DC CONVERTERS
WITH AUTO-TRACK? SEQUENCING
APPLICATIONS
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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
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Intermediate Bus Architectures
Telecom, High-End Computing Platforms
Multi-Rail Power Systems with
Power-Up Sequencing
DESCRIPTION
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, V O Seq , which also rises with the Track
voltage. This allows the V O 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.
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas
Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
Auto-Track is a trademark of Texas Instruments.
PRODUCTION DATA information is current as of publication date.
Products conform to specifications per the terms of the Texas
Instruments standard warranty. Production processing does not
necessarily include testing of all parameters.
Copyright ? 2005, Texas Instruments Incorporated
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相关代理商/技术参数 |
参数描述 |
|---|---|
| PTB48560BAZ | 功能描述:DC/DC转换器 30-W 1.8V to 3.6V Adj DC/DC Converter RoHS:否 制造商:Murata 产品: 输出功率: 输入电压范围:3.6 V to 5.5 V 输入电压（标称）: 输出端数量:1 输出电压（通道 1）:3.3 V 输出电流（通道 1）:600 mA 输出电压（通道 2）: 输出电流（通道 2）: 安装风格:SMD/SMT 封装 / 箱体尺寸: |
| PTB48560C | 制造商:TI 制造商全称:Texas Instruments 功能描述:30-W, 48-V INPUT DC/DC CONVERTERS WITH AUTO-TRACK TM SEQUENCING |
| PTB48560CAH | 功能描述:DC/DC转换器 30-W 9V to 13.2V Adj DC/DC Converter RoHS:否 制造商:Murata 产品: 输出功率: 输入电压范围:3.6 V to 5.5 V 输入电压（标称）: 输出端数量:1 输出电压（通道 1）:3.3 V 输出电流（通道 1）:600 mA 输出电压（通道 2）: 输出电流（通道 2）: 安装风格:SMD/SMT 封装 / 箱体尺寸: |
| PTB48560CAS | 功能描述:DC/DC转换器 30-W 9V to 13.2V Adj DC/DC Converter RoHS:否 制造商:Murata 产品: 输出功率: 输入电压范围:3.6 V to 5.5 V 输入电压（标称）: 输出端数量:1 输出电压（通道 1）:3.3 V 输出电流（通道 1）:600 mA 输出电压（通道 2）: 输出电流（通道 2）: 安装风格:SMD/SMT 封装 / 箱体尺寸: |
| PTB48560CAZ | 功能描述:DC/DC转换器 30-W 9V to 13.2V Adj DC/DC Converter RoHS:否 制造商:Murata 产品: 输出功率: 输入电压范围:3.6 V to 5.5 V 输入电压（标称）: 输出端数量:1 输出电压（通道 1）:3.3 V 输出电流（通道 1）:600 mA 输出电压（通道 2）: 输出电流（通道 2）: 安装风格:SMD/SMT 封装 / 箱体尺寸: |
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